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Artigos de revistas sobre o assunto "Pulsed laser system":

1

Chen, Fu-Zen, Yu-Cheng Song e Fu-Shun Ho. "An Efficiency Improvement Driver for Master Oscillator Power Amplifier Pulsed Laser Systems". Processes 10, n.º 6 (16 de junho de 2022): 1197. http://dx.doi.org/10.3390/pr10061197.

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The master oscillator power amplifier (MOPA) pulsed laser, one of the popular topologies for high-power fiber laser systems, is widely applied in industrial machining laser systems. In MOPA, the low-power pulsed laser, stimulated from a seed laser diode, is amplified by the high- power optical energy from pump laser diodes via the gain fiber. Generally, the high-power pump laser diodes are driven by lossy linear current drivers. The switched mode current drivers boost the driver efficiency but suffer from pulse energy consistency due to the current switching ripple. In this paper, a laser driver system that varies the switching frequency of current source to synchronize with pulsed laser repetition rate is analyzed and implemented. Experimental results are demonstrated using a 20 W pulsed fiber laser system.
2

Ustimchik, V., E. Motorin e V. Filippov. "High peak/average power picosecond pulsed MOPA system with tapered large mode area double-clad Yb-doped fiber". EPJ Web of Conferences 266 (2022): 11014. http://dx.doi.org/10.1051/epjconf/202226611014.

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In this paper, a high peak/average power picosecond pulsed master‑oscillator power‑amplifier (MOPA) system utilizing tapered large mode area double-clad fiber (T-DCF) is presented. In a high average power regime, we report a pulsed MOPA laser system with average power up to 613 W at 20 MHz repetition rate with 50 ps pulse duration (613 kW of peak power and 30.6 μJ pulse energy). In high peak power regime, over 3MW of peak power pulses (at seed source bandwidth) at 1 MHz repetition rate (310 μJ pulse energy and 310 W average) was demonstrated. The outstanding properties of T-DCF for amplification of laser signals to high power/energy levels with maintaining the excellent beam quality open a new horizon for advanced laser material processing.
3

SUGIMOTO, Shigeto, Tetsuya KIGUCHI, Michinobu MIZUMURA, Koichi KAJIYAMA e Junji KIDO. "Pulsed Laser System with Variable Pulse Duration for Laser Annealing". Review of Laser Engineering 41, n.º 12 (2013): 1031. http://dx.doi.org/10.2184/lsj.41.12_1031.

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4

Bostanjoglo, O., F. Heinricht e F. Wünsch. "Performance of A Laser-Pulsed Thermal Electron Gun". Proceedings, annual meeting, Electron Microscopy Society of America 48, n.º 1 (12 de agosto de 1990): 124–25. http://dx.doi.org/10.1017/s0424820100179373.

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High-speed electron microscopy strongly demands a high-brightness electron gun in order to increase the number of image forming electrons. A few years ago, a laser-pulsed high-brightness electron gun was introduced. Fig.1 shows the experimental set-up, A standard triode system was supplemented with a Nd:YAG laser, focussing optics and a modified anode, which incorporates the laser deflection mirror. The frequency doubled laser pulse (τ =5 ns, λ = 532 nm) is focused through a window onto the tip of the tungsten hairpin emitter. The laser treated area (≈ 100 μm diameter) is heated well above the melting point, which results in a strong thermal electron emission. Due to rapid heat-up and fast cool-down of the tungsten surface short electron pulses with a duration of 20 ns and a maximum current of 20 mA at 80 kV are emitted. A destruction of the tungsten wire is avoided, too. Laser energies used for the generation of electron pulses are in the range of 100 μJ. Due to these minor modification, the DC operation of the electron gun is not disabled, which allows a convenient adjustment in the DC mode and then switching into the pulsed operation mode. Fig.2 shows a typical electron pulse emitted by the gun. Shorter electron pulses up to 5 ns can be generated by a beam blanking unit.
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Tikhomirov, S. A. "Femtosecond System with Pulse Pumping of Seed Laser and Amplifier by Using a Single Power Unit". Devices and Methods of Measurements 12, n.º 1 (19 de março de 2021): 23–29. http://dx.doi.org/10.21122/2220-9506-2021-12-1-23-29.

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For several decades development of methods for generating ultrashort pulses has been an independent urgent scientific and technical problem. There is a constant improvement both in the methods of such pulses receiving and in methods of their use. The aim of this work was to investigate the possibility of realizing the coordinated operation of two fundamentally different types of pump lasers for the femtosecond oscillator and amplifier based on one single-lamp laser head and to create on this basis a compact high-power femtosecond system with pulsed pumping and one power unit.The practical implementation of two types of pulsed lasers (nano- and picosecond ones operating, respectively, in Q-switch and modelock regime) on a single laser head with two active elements and one pump lamp is carried out. The required synchronization in time the pump pulse femtosecond amplifier formation and quasi-stationary region of generated pulses in the output radiation of a femtosecond Ti:sapphire is obtained.On this basis a compact, pulse pumped monoblock laser system has been developed that can generate femtosecond pulses with a duration of 50–150 fs with an energy up to 1 mJ and a high enough pulse repetition rate (up to 1 kHz which is determined by the type of laser head and pump unit used). In the developed laser system a compact scheme of a stretcher-compressor with a single common diffraction grating is used.Laser systems of this type characterized by a relatively low cost due to the use of a single power supply unit for simultaneous pumping of the amplifier and oscillator, as well as lower requirements for the quality of optical elements and usage conditions due to the pulse mode of operation, are quite practical and can be used both in scientific research in the field of ultra-high-speed kinetic spectroscopy and nonlinear optics, as well as in numerous technical applications, particular in the precision processing of materials, as optical simulators of the action of heavy charged particles in testing the radiation resistance of integrated circuits and electronic modules.
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Razhev, Aleksandr, Dmitriy Churkin e Alexey Zavyalov. "Pulsed Inductive Molecular Hydrogen Laser". Siberian Journal of Physics 4, n.º 3 (1 de outubro de 2009): 12–19. http://dx.doi.org/10.54362/1818-7919-2009-4-3-12-19.

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A pulsed inductive discharge molecular H2 laser has been created for the first time. The excitation system of a toroidal pulsed inductive discharge for molecular hydrogen electron levels excitation was developed. Generation at two wavelengths of 0,89 and 1,12 m was obtained. The spectral, temporal and energy parameters of laser emission under various pressures and pumping conditions were investigated. The maximum pulse power of 6,7 kW was achieved. The measured pulse duration was 18 ± 1 ns. In the cross-section, the laser radiation had the ring shape with an external diameter of 33 mm and thickness of 4 mm.
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Shemyakin, A. N., M. Yu Rachkov, N. G. Solov’ev e M. Yu Yakimov. "Radiation Power Control of the Industrial CO2 Laser Excited by а Nonself-Sustained Glow Discharge by Changing the Frequency of Ionization Pulses". Mekhatronika, Avtomatizatsiya, Upravlenie 21, n.º 4 (11 de abril de 2020): 224–31. http://dx.doi.org/10.17587/mau.21.224-231.

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The article describes radiation power control of industrial CO2 lasers of Lantan series excited by а nonself-sustained glow discharge in the automatic mode. These lasers are closed-cycle fast gas-transport lasers excited by a nonself-sustained glow discharge with ionization by periodic-pulsed capacitively coupled auxiliary discharge. In this case, ionization and conductivity are provided by periodic-pulsed capacitively coupled discharge. The energy contribution to molecular oscillations is provided by the passage of the main discharge current through the plasma with electron density given by ionization. This permits easy laser power control, provides excellent optical homogeneity and stability of an active volume together with high laser efficiency. A system of a nonself-sustained glow discharge with ionization by periodic-pulsed capacitively coupled auxiliary discharge, the stages of creation and brief characteristics of the Lantan series lasers is presented. The method of controlling the power of laser radiation by changing the frequency of the ionization pulses is determined. This control method allows operating of the laser in continuous and in pulse-periodic modes with adjustable pulse ratio and pulse duration, and also provides switching from one mode to another. In the continuous mode, the radiation power is controlled by changing the frequency of ionization pulses, which are high voltage pulses with duration of 100 ns, given with the frequency of 1-5 kHz. Pulse-periodic radiation control is performed by modulating ionization pulses that consists of pulses being delivered in batches. The frequency of the pulses in a batch determines the radiation power in a pulse. The frequency of the batches following is the frequency of the pulse mode, and the length of the batch determines the pulses duration. Based on the experimental data, the dependence of the radiation power on the ionization pulses frequency was determined. An experimental system is presented and the measuring accuracy of the laser radiation power and the frequency of ionization pulses is determined. Data acquiring and processing of experimental results were performed using the NI 6008 USB data acquisition device in the LabVIEW programs of National Instruments. To study the dependence of the laser power on Мехатроника, автоматизация, управление, Том 21, № 4, 2020 231 the frequency of the ionization pulses, a regression analysis method was applied. Studies have shown that the dependence of the laser power on the ionization pulses frequency is linear in a wide range of parameters. The equation of the direct regression is calculated. The confidence estimates of the coefficients of the direct regression and the confidence estimates of the deviation of the theoretical direct regression from the empirical one are calculated with a confidence level of 95%.
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Zayhowski, J. J., e A. L. Wilson. "Miniature, pulsed Ti:sapphire laser system". IEEE Journal of Quantum Electronics 38, n.º 11 (novembro de 2002): 1449–54. http://dx.doi.org/10.1109/jqe.2002.804294.

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Lowry, J. B., W. T. Welford e M. R. Humphries. "Pulsed Scophony laser projection system". Optics & Laser Technology 20, n.º 5 (outubro de 1988): 255–58. http://dx.doi.org/10.1016/0030-3992(88)90027-8.

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Zhan, Wei, e He Hua Ju. "Offset Error Research of Self-Triggering Pulsed Mini Laser Radar System". Applied Mechanics and Materials 599-601 (agosto de 2014): 1009–15. http://dx.doi.org/10.4028/www.scientific.net/amm.599-601.1009.

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The paper researches on the offset error of self-triggering pulsed mini laser radar. It theoretically analyzes the variation of space charge region of PN junction in receiving photodiode. The variation value is affected by the different incident light power. One of conclusion is the laser pulse time-of-flight affected by the variation of incident light power. Another conclusion is the laser pulse width affected by the variation of incident light power as well. The paper proposes the basic equations to describe this phenomenon. In addition, the new designed experimental devices are used to prove that the theoretical analysis is true. This new system can effectively solve the offset error problems, and the negatively impact of offset error will be eliminated on the receiver of self-triggering pulsed mini laser radar system.

Teses / dissertações sobre o assunto "Pulsed laser system":

1

Dulgergil, Ebru. "Development Of A Pulsed Fiber Laser For Ladar System". Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614635/index.pdf.

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In recent years laser technology has increasingly developed with the use of fiber lasers and this has provided the possibility to implement different techniques in the defense industry. LADAR is at the forefront of these techniques. Fiber lasers constitute a perfect source for LADAR systems due to their excellent robustness, compact size and high-power generation capability. In this study we will explore the development of a pulsed fiber laser source for a LADAR system that can obtain high resolution 3D images in eye-safe region. A high power, all fiber integrated erbium system with strictly single mode operation in eye-safe region based on MOPA (master oscillator power amplifier) configuration with seed source and amplifier part was developed. Both the use of an actively mode locked laser with erbium doped fiber and fiber coupled modulated distributed feedback diode laser were investigated as seed sources for the amplifier part. Both erbium doped single clad fiber and erbium-ytterbium doped double clad gain fiber were used in this amplifier system. After amplification of the actively mode locked laser, 12 W of average optical power was obtained through single mode fiber with 1ns pulse duration at 10 MHz which corresponds to 1.2 kW peak power. For the fiber coupled DFB diode laser, 9.5W average power was obtained with around 8 ns duration pulses at 100 kHz and about 9.2 W average power was also obtained with around 700 ps duration pulses at 1 MHz through strictly single mode fiber at the output of the same amplifier system as was used in the actively mode locked seed source. In both cases calculated peak power was around 10 kW v which is estimated as the highest peak power for an all fiber integrated system with single mode operation. The development of such a fiber system with high power capability, compact size and free of misalignment is expected to be useful for LADAR application as well as other areas such as eye surgery, 3D silicon processing or any other material processing applications.
2

Ghose, Abhijit. "Pulsed measurement based nonlinear characterization of avalanche photodiode for the time error correction of 3D pulsed laser radar". Kassel Kassel Univ. Press, 2005. http://deposit.ddb.de/cgi-bin/dokserv?id=2709432&prov=M&dok_var=1&dok_ext=htm.

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Yagci, Mahmut Emre. "Development Of A Picosecond Pulsed Mode-locked Fiber Laser". Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615773/index.pdf.

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Fiber lasers represent the state-of-the-art in laser technology and hold great promise for a wide range of applications because they have a minimum of exposed optical interfaces, very high efficiency, and are capable of exceptional beam quality. In the near future, the most important markets such as micromachining, automotive, biomedical and military applications will begin to use this technology. The scope of this thesis is to design and develop a short picosecond pulsed fiber laser using rare-earth doped fiber as a gain medium. The proposed master oscillator power amplifier (MOPA) will be used to generate pulses with high repetition rates. In this study, first we explain the basic theoretical background of nonlinear optics and fiber laser. Then, the numerical simulation will be introduced to explain how the laser system design and optimization. The simulation is based on nonlinear Schrö
dinger equation with the method of split-step evaluation. The brief theoretical background and simulation results of the laser system will be shown. Finally, the experimental study of the developmental fiber laser system that comprises an oscillator, preamplifier and power amplifier will be discussed.
4

Patel, Sunil. "A chirped, pulsed laser system and magneto-optical trap for rubidium". Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/66245/.

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This thesis covers the construction and characterisation of a magneto-optical trap (MOT) for 85Rb from the very beginning. It details both the optical and mechanical aspects from laser diode assembly, tuning and stabilisation to the preparation and assembly of the vacuum system. The MOT construction forms the first goal of the project, the second was to develop a laser system capable of producing custom programmable, amplitude modulated and frequency chirped pulses (on the tens of microseconds timescale) from a continuous wave source. This involved developing software and computer control for several arbitrary signal generators linked to drivers for acousto-optic and electro-optic modulators. This chirped, pulsed laser system will be used to perform state manipulations on the 85Rb MOT cloud using two-photon Raman transitions in an adiabatic rapid passage regime. The chirped pulse system was initially tested with a rubidium vapour cell in an attempt to perform atomic interferometry that would produce spatial interference fringes along the length of the cell. However, due to the beam power requirements, the beam diameter together with the large Doppler shift at room temperature meant these fringes were not seen and so the vapour cell was replaced with the cold atom cloud in the MOT. Two-photon experiments were attempted with the MOT cloud using the chirped pulse system, however despite greatly improved laser power and detection eficiency, the signal indicating ground state population transfer via a two-photon interaction was not seen. The results indicate that the hyperfine-ground state splitting frequency has been shifted due to the proximity of the ion pump magnet to the vacuum system. Presently, efforts are being directed towards searching for the correct frequency.
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Jenderka, Marcus. "Pulsed Laser Deposition of Iridate and YBiO3 Thin Films". Doctoral thesis, Universitätsbibliothek Leipzig, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-219334.

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Die vorliegende Arbeit befasst sich mit dem Dünnfilmwachstum der ternären Oxide Na2IrO3, Li2IrO3, Y2Ir2O7 und YBiO3. All diesen oxidischen Materialien ist gemein, dass sie Verwirklichungen sogenannter Topologischer Isolatoren oder Spin-Flüssigkeiten sein könnten. Diese neuartigen Materiezustände versprechen eine zukünftige Anwendung in der Quantencomputation, in magnetischen Speichern und in elektrischen Geräten mit geringer Leistungsaufnahme. Die Herstellung der hier gezeigten Dünnfilme ist daher ein erster Schritt zur Umsetzung dieser Anwendungen in der Zukunft. Alle Dünnfilme werden mittels gepulster Laserplasmaabscheidung auf verschiedenen einkristallinen Substraten hergestellt. Die strukturellen, optischen und elektrischen Eigenschaften der Filme werden mittels etablierter experimenteller Verfahren wie Röntgenbeugung, spektroskopischer Ellipsometrie und elektrischenWiderstandsmessungen untersucht. Die strukturellen Eigenschaften von erstmalig in der Masterarbeit des Authors verwirklichten Na2IrO3-Dünnfilmen können durch Abscheidung einer ZnO-Zwischenschicht deutlich verbessert werden. Einkristalline Li2IrO3-Dünnfilme mit einer definierten Kristallausrichtung werden erstmalig hergestellt. Die Messung der dielektrischen Funktion gibt Einblick in elektronische Anregungen, die gut vergleichbar mit Li2IrO3-Einkristallen und verwandten Iridaten sind. Des Weiteren wird aus den Daten eine optische Energielücke von ungefähr 300 meV bestimmt. In Y2Ir2O7-Dünnfilmen wird eine mögliche (111)-Vorzugsorientierung in Wachstumsrichtung gefunden. Im Vergleich mit der chemischen Lösungsabscheidung zeigen die hier mittels gepulster Laserplasmaabscheidung hergestellten YBiO3-Dünnfilme eine definierte, biaxiale Kristallausrichtung in der Wachstumsebene bei einer deutlich höheren Schichtdicke. Über die gemessene dielektrische Funktion können eine direkte und indirekte Bandlücke bestimmt werden. Deren Größe gibt eine notwendige experimentelle Rückmeldung an theoretische Berechnungen der elektronischen Bandstruktur von YBiO3, welche zur Vorhersage der oben erwähnten, neuartigen Materiezuständen verwendet werden. Nach einer Einleitung und Motivation dieser Arbeit gibt das zweite Kapitel einen Überblick über den gegenwärtigen Forschungsstand der hier untersuchten Materialien. Die folgenden zwei Kapitel beschreiben die Probenherstellung und die verwendeten experimentellen Untersuchungsmethoden. Anschließend werden für jedes Material einzeln die experimentellen Ergebnisse dieser Arbeit diskutiert. Die Arbeit schließt mit einer Zusammenfassung und einem Ausblick
The present thesis reports on the thin film growth of ternary oxides Na2IrO3, Li2IrO3, Y2Ir2O7 and YBiO3. All of these oxides are candidate materials for the so-called topological insulator and spin liquid, respectively. These states of matter promise future application in quantum computation, and in magnetic memory and low-power electronic devices. The realization of the thin films presented here, thus represents a first step towards these future device applications. All thin films are prepared by means of pulsed laser deposition on various single-crystalline substrates. Their structural, optical and electronic properties are investigated with established experimental methods such as X-ray diffraction, spectroscopic ellipsometry and resistivity measurements. The structural properties of Na2IrO3 thin films, that were previously realized in the author’s M. Sc. thesis for the first time, are improved significantly by deposition of an intermediate ZnO layer. Single-crystalline Li2IrO3 thin films are grown for the first time and exhibit a defined crystal orientation. Measurement of the dielectric function gives insight into electronic excitations that compare well with single crystal samples and related iridates. From the data, an optical energy gap of about 300 meV is obtained. For Y2Ir2O7 thin films, a possible (111) out-of-plane preferential crystal orientation is obtained. Compared to chemical solution deposition, the pulsed laser-deposited YBiO3 thin films presented here exhibit a biaxial in-plane crystal orientation up to a significantly larger film thickness. From the measured dielectric function, a direct and indirect band gap energy is determined. Their magnitude provides necessary experimental feedback for theoretical calculations of the electronic structure of YBiO3, which are used in the prediction of the novel states of matter mentioned above. After the introduction and motivation of this thesis, the second chapter reviews the current state of the science of the studied thin film materials. The following two chapters introduce the sample preparation and the employed experimental methods, respectively. Subsequently, the experimental results of this thesis are discussed for each material individually. The thesis concludes with a summary and an outlook
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Thevar, Thangavel. "Design and development of a pulsed ruby laser system for an underwater holographic camera". Thesis, University of Aberdeen, 1993. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU065299.

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This thesis presents a design of a ruby laser system which would form the heart of an underwater holographic camera. The design principally emphasised upon simplicity, compactness and lightweight construction, in addition to the achievement of the necessary coherence length. The research was mainly focused on Q-switching and longitudinal mode selection which were identified as the key elements in achieving our goal. A fresh insight into dye Q-switching was made with the view of its implementation in the laser. Two major experiments were carried out on a dye Q-switch consisting of cryptocyanine dye dissolved in methanol. The first trial explored the lifetime performance of the Q-switch with regards to the number of laser pulses fired and the elapsed time. It gave an indication of the suitability of this Q-switch for the application. The second experiment concentrated on evaluating the operational characteristics of a dye Q-switched ruby laser with regards to pump energy, dye absorbance, output energy and timing of the pulse emergence. The results of this experiment clearly defined the effects of variation of one parameter on another. Consequently, these results displayed in a number of graphical plots could form the basis for the selection of optimum parameters for such lasers. In addition to its primary role of creating a giant pulse, the performance of a Q-switch could be optimised or modified to enhance the longitudinal mode selection property of a laser. The mode selection properties of Pockels cell and dye Q-switched ruby lasers were theoretically developed before experimentally confirming the derived predictions to a good degree.
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Ren, Lan. "Integrated process planning for a hybrid manufacturing system". Diss., Rolla, Mo. : Missouri University of Science and Technology, 2008. http://scholarsmine.mst.edu/thesis/pdf/Ren_09007dcc8046714a.pdf.

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Thesis (Ph. D.)--Missouri University of Science and Technology, 2008.
Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed April 18, 2008) Includes bibliographical references.
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Han, Sang-Choll. "Optimization of microwave excited CO2 laser system and generation of pulsed optical discharges in strong magnetic fields". [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=966063058.

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Casbon, Michael Anthony. "Design and application of an advanced fully active harmonic load pull system using pulsed RF measurements and synchronised laser energy". Thesis, Cardiff University, 2018. http://orca.cf.ac.uk/115731/.

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The objective of this work was to advance the design of Active Harmonic Load-Pull systems to facilitate accurate modelling of RF semiconductors, with specific regard to time dependant behaviours. Pulse capability is added, to extend the thermally safe operating region, investigate thermal behaviour, and reduce the thermal loading on the system components. The safe operation region extension is demonstrated with a GaAs die, the thermal aspects of behaviour are illustrated with GaN on SiC, GaN on Si and GaN on diamond die. A violet laser is added, which releases some types of trapped charge, helping to reveal the full potential of the device. The thermal transient response of the device is thereby exposed, and the trap filling times may be studied. The application of this to GaN die with and without Source Coupled Field Plates is described. The relevance of the light wavelength is briefly investigated. A novel wafer probe station is described, providing access to the backside of the wafer for photonic trap release and the measurement of hot electron electroluminescence, as RF measurements are conducted on the front side. Replacing the drain RF and DC circuits with a fixed resistor, and stepping the gate voltage allows the device to be held at any point on the load-line and then moved to another, here this demonstrates that the residual “knee-walkout” on a GaN on SiC part with an optimised source coupled field plate is not a thermal effect, and must therefore be due to trapped charge, despite the field plate. A low loss diplexer/ bias tee combination with very good DC supply memory properties is described, demonstrated with a InAlN/GaN die at Ka band. Accurate measurement of harmonics is vital to waveform engineering. Here a novel method of increasing the effective dynamic range of the system is presented.
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Lin, Wenzhi. "Growth and Scanning Tunneling Microscopy Studies of Magnetic Films on Semiconductors and Development of Molecular Beam Epitaxy/Pulsed Laser Deposition and Cryogenic Spin-Polarized Scanning Tunneling Microscopy System". Ohio University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1304610814.

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Livros sobre o assunto "Pulsed laser system":

1

Laser Optics 2006 (2006 Saint Petersburg, Russia). Laser Optics 2006: Diode lasers and telecommunication systems : 26-30 June, 2006, St. Petersburg, Russia. Editado por Rosanov Nikolay N, Society of Photo-optical Instrumentation Engineers., Society of Photo-optical Instrumentation Engineers. Russian Chapter. e Fund for Laser Optics Physics (Russia). Bellingham, Wash: SPIE, 2007.

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Mitra, Kunal, e Stephanie Miller. Short Pulse Laser Systems for Biomedical Applications. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-54253-9.

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Gambarota, Giulio, e Baldassare Di Bartolo. Ultrafast dynamics of quantum systems: Physical processes and spectroscopic techniques. Editado por ebrary Inc. New York: Kluwer Academic, 2002.

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4

Rasmussen, A. L. Documentation of the NBS APD and PIN calibration systems for measuring peak power and energy of low-level 1.064 [Greek letter mu]m laser pulses. Boulder, Colo: U.S. Dept. of Commerce, National Bureau of Standards, 1986.

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5

Rassmussen, A. L. Documentation of the NBS APD and PIN calibration systems for measuring peak power and energy of low-level 1.064 [Greek letter mu]m laser pulses. Boulder, Colo: U.S. Dept. of Commerce, National Bureau of Standards, 1986.

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6

Rassmussen, A. L. Documentation of the NBS APD and PIN calibration systems for measuring peak power and energy of low-level 1.064 [Greek letter mu]m laser pulses. Boulder, Colo: U.S. Dept. of Commerce, National Bureau of Standards, 1986.

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7

S, Gardner Chester, e Goddard Space Flight Center, eds. Theoretical and experimental analyses of the performance of two-color laser ranging systems. Greenbelt, Md: National Aeronautics and Space Administration, Goddard Space Flight Center, 1985.

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Baldassare, Di Bartolo, Gambarota Giulio e NATO Advanced Study Institute on Ultrafast Dynamics of Quantum Systems: Physical Processes and Spectroscopic Techniques (1997 : Erice, Italy), eds. Ultrafast dynamics of quantum systems: Physical processes and spectroscopic techniques. New York: Plenum Press, 1998.

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ICONO 2001 (2001 Minsk, Belarus). ICONO 2001: Nonlinear optical phenomena and Nonlinear dynamics of optical systems : 26 June-1 July 2001, Minsk, Belarus. Editado por Drabovich Konstantin N, Akadėmii͡a︡ navuk Belarusi e Society of Photo-optical Instrumentation Engineers. Bellingham, Washington: SPIE, 2002.

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10

H, Titterton D., SPIE Europe, Society of Photo-optical Instrumentation Engineers. e United States. Defense Advanced Research Projects Agency., eds. Technologies for optical countermeasures II ; Femtosecond phenomena II ; and, Passive millimetre-wave and terahertz imaging II: 26-28 September, 2005, Bruges, Belgium. Bellingham, Wash: SPIE, 2005.

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Capítulos de livros sobre o assunto "Pulsed laser system":

1

Metev, S. "Pulsed Laser-Plasma Deposition of Polycomponent Thin-Film Structures - A Review". In Micro System Technologies 90, 341–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-45678-7_49.

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2

May, P., J. M. Halbout e G. Chiu. "Laser Pulsed E-Beam System for High Speed I.C. Testing". In Picosecond Electronics and Optoelectronics II, 53–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-72970-6_11.

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3

Murray, T. W., J. S. Steckenrider, J. W. Wagner e J. B. Deaton. "A Practical System for Pulsed Laser Array Generation of Ultrasound". In Nondestructive Characterization of Materials VI, 333–40. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2574-5_42.

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4

Shimazu, M., T. Minowa e H. Katsuragawa. "Monochromatic Image Acquisition System for Real-Time Observations of Continuous and Pulsed Emission of Light". In Laser Diagnostics and Modeling of Combustion, 171–80. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-45635-0_22.

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5

Haj-Hosseini, Neda, S. Andersson-Engels e K. Wårdell. "Evaluation of a Fiber-Optic Based Pulsed Laser System for Fluorescence Spectroscopy". In IFMBE Proceedings, 363–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-69367-3_97.

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6

Oursler, Douglas A., e James W. Wagner. "Narrow-Band Hybrid Pulsed Laser/EMAT System for Non-Contact Ultrasonic Inspection Using Angled Shear Waves". In Review of Progress in Quantitative Nondestructive Evaluation, 553–60. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1987-4_67.

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7

Hering, P. "Limits of Optical Fiber Systems for Pulsed Lasers". In Laser Lithotripsy, 91–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73864-7_13.

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8

Zemskov, K. I., G. G. Petrash e V. V. Chvykov. "Optical Systems with Metal Vapour Brightness Amplifiers". In Pulsed Metal Vapour Lasers, 453–58. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1669-2_49.

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Chvykov, V. V., T. P. Kraposhina, S. N. Mazurov, T. P. Zaharova e K. I. Zemskov. "Metal Vapour Laser Systems in Biology and Medicine". In Pulsed Metal Vapour Lasers, 403–8. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1669-2_43.

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10

Stilla, Uwe, e Boris Jutzi. "Full-Waveform Analysis for Pulsed Laser Systems". In Topographic Laser Ranging and Scanning, 239–58. Second edition. | Boca Raton : Taylor & Francis, CRC Press, 2018.: CRC Press, 2018. http://dx.doi.org/10.1201/9781315154381-7.

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Trabalhos de conferências sobre o assunto "Pulsed laser system":

1

Hardesty, R. M., R. E. Cupp e T. R. Lawrence. "Development and Application of an Injection Locked, Pulsed CO2 Doppler Lidar for Atmospheric Remote Sensing". In Coherent Laser Radar. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/clr.1987.thb3.

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During the summer of 1985, the Wave Propagation Laboratory of NOAA upgraded its pulsed CO2 Doppler lidar with a new transceiver. Previously, the system had operated with a hybrid TEA transmitter, producing approximately 100 mJ of energy per pulse at a 10 Hz pulse repetition frequency (prf). The upgraded transceiver, built by Spectra Technologies, Incorporated, of Bellevue, Washington, uses an injection-locked, unstable resonator configuration to produce frequency-stable pulses with 2 J of energy per pulse; maximum prf of the injection-locked system is 50 Hz. The larger pulse energy and higher pulse repetition frequency make the new lidar considerably more valuable for investigations of transient atmospheric phenomena and tropospheric backscatter climatology.
2

Yao, J. Q., Y. Z. Yu, X. L. Wang, F. Wu, R. Zhang, G. H. Zhou, Y. Xiao, Y. M. Yang, J. K. Li e Y. P. Yu. "Study of Kilowatt Pulsed Laser with Tuning Pulse Width and Pulse Rise Time". In Solid State Lasers: Materials and Applications. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/sslma.1997.fb2.

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The high power pulsed Nd:YAG laser is very useful for material processing and other applications. Different applications need different laser pulses with different pulse widths and rise times. A high power pulsed Nd:YAG laser were successfully designed , it includes three big YAG rods (ϕ10 × 150mm), six Krypton lambs and six power supplies with different pulse width and rise times .Here we use Krypton lamb instead of Xenon lamb because it has better spectrum match feature , high conversion efficiency and suited to long pulse operation. The power supplies have resonant and switched types(VDMOS and IGBT). Cooling system has internal and external circular systems. Whole system has a laser light fiber delivery device which can be transmitted high energy. Table shows the light shapes of Krypton lamp and shapes of laser pulses. The pulsewidth can be tuning from 0.3 to 6 ms, the rise time can be tuning from 0.2 to 0.8ms.
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Kralikova, Bozena, Jiri Skala, Josef Krasa, Leos Laska, Karel Masek, Karel Rohlena e Petr Straka. "Pulsed iodine photolytic laser system PERUN". In XI International Symposium on Gas Flow and Chemical Lasers and High Power Laser Conference. SPIE, 1997. http://dx.doi.org/10.1117/12.270130.

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4

Velas, Katherine, Cristopher Barillas, Alex Chemali, E. Stephen Fulkerson, Anthony Gonzales, Edward Koh, Willie Lew e Steve Telford. "Laser Diode Drivers for Rep-Rated DELPHI Laser System". In 2023 IEEE Pulsed Power Conference (PPC). IEEE, 2023. http://dx.doi.org/10.1109/ppc47928.2023.10310720.

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Lyashenko, A. I., M. O. Sharikova, V. A. Kukushkin, O. V. Polschikova e Y. V. Pichugina. "7-Wavelength Pulsed Laser System". In 2022 Wave Electronics and its Application in Information and Telecommunication Systems (WECONF). IEEE, 2022. http://dx.doi.org/10.1109/weconf55058.2022.9803340.

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Hegeler, F., M. Friedman, T. Albert, J. Parish, M. C. Myers, M. F. Wolford, J. L. Giuliani, J. D. Sethian, P. Burns e R. Jaynes. "The Electra KrF Laser System". In 2007 IEEE Pulsed Power Plasma Science Conference. IEEE, 2007. http://dx.doi.org/10.1109/ppps.2007.4346168.

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Fulkerson, E. Stephen, Steven Telford, Robert Deri, Andy Bayramian, Rod Lanning, Ed Koh, Ken Charron e Constantin Haefner. "Pulsed power system for the HAPLS Diode Pumped Laser System". In 2015 IEEE Pulsed Power Conference (PPC). IEEE, 2015. http://dx.doi.org/10.1109/ppc.2015.7296854.

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Itoh, Hiroyasu, Masahiro Hibino, Masaya Shigemori, Musubu Koishi, Akira Takahashi, Tsuyoshi Hayakawa e Kazuhiko Kinosita, Jr. "Multishot pulsed laser fluorescence microscope system". In OE/LASE '90, 14-19 Jan., Los Angeles, CA, editado por Joseph R. Lakowicz. SPIE, 1990. http://dx.doi.org/10.1117/12.17686.

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Bliss, D. E., W. T. Clark, K. R. LeChien, J. E. Maenchen, M. E. Savage, M. E. Sceiford, B. S. Stoltzfus et al. "A Laser Trigger System for ZR". In 2007 IEEE Pulsed Power Plasma Science Conference. IEEE, 2007. http://dx.doi.org/10.1109/ppps.2007.4345944.

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Moody, S. E., T. A. Znotins, S. R. Byron e T. E. DeHart. "High Power CO2 Laser System for Pulsed Lidar Applications". In Optical Remote Sensing. Washington, D.C.: Optica Publishing Group, 1985. http://dx.doi.org/10.1364/ors.1985.wc9.

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The utility of carbon dioxide lasers, both cw and pulsed, is now well proven in a variety of remote sensing applications. The remote sensing of atmospheric wind velocity, using Doppler coherent lidar techniques, is one such application. The range and data acquistion rate of such lidars has previously been limited by the pulse energy and average power available from properly frequency stabilized CO2 lasers.

Relatórios de organizações sobre o assunto "Pulsed laser system":

1

Henry, Leanne J., Michael Klopfer e Ravinder Jain. Investigation of a Pulsed 1550 nm Fiber Laser System. Fort Belvoir, VA: Defense Technical Information Center, dezembro de 2015. http://dx.doi.org/10.21236/ad1004228.

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2

Duncan, Michael A. Pulsed Infrared Laser System to Study Metal Ion Solvation. Fort Belvoir, VA: Defense Technical Information Center, setembro de 2001. http://dx.doi.org/10.21236/ada388824.

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3

Baumgart, J. S., R. Justice e S. Bender. Streak camera system for prompt display of laser pulses. Office of Scientific and Technical Information (OSTI), janeiro de 1989. http://dx.doi.org/10.2172/5772426.

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Hart, Carl R., e Gregory W. Lyons. A Measurement System for the Study of Nonlinear Propagation Through Arrays of Scatterers. Engineer Research and Development Center (U.S.), novembro de 2020. http://dx.doi.org/10.21079/11681/38621.

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Various experimental challenges exist in measuring the spatial and temporal field of a nonlinear acoustic pulse propagating through an array of scatterers. Probe interference and undesirable high-frequency response plague typical approaches with acoustic microphones, which are also limited to resolving the pressure field at a single position. Measurements made with optical methods do not have such drawbacks, and schlieren measurements are particularly well suited to measuring both the spatial and temporal evolution of nonlinear pulse propagation in an array of scatterers. Herein, a measurement system is described based on a z-type schlieren setup, which is suitable for measuring axisymmetric phenomena and visualizing weak shock propagation. In order to reduce directivity and initiate nearly spherically-symmetric propagation, laser induced breakdown serves as the source for the nonlinear pulse. A key component of the schlieren system is a standard schliere, which allows quantitative schlieren measurements to be performed. Sizing of the standard schliere is aided by generating estimates of the expected light refraction from the nonlinear pulse, by way of the forward Abel transform. Finally, considerations for experimental sequencing, image capture, and a reconfigurable rod array designed to minimize spurious wave interactions are specified. 15.
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Messerly, M. High Average Power, High Energy Short Pulse Fiber Laser System. Office of Scientific and Technical Information (OSTI), novembro de 2007. http://dx.doi.org/10.2172/923999.

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Kimball, Brian R., Gerald G. Caldarella, Barry S. DeCristofano e Joseph F. Roach. Millisecond Pulse Generating System for a Continuous Wave C02 Laser. Fort Belvoir, VA: Defense Technical Information Center, fevereiro de 1994. http://dx.doi.org/10.21236/ada297501.

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Stolarski, David J., Gary D. Noojin e Clarence P. Cain. Operating Manual for Ultrashort Pulse Laser System-II (1060 nm Operation). Fort Belvoir, VA: Defense Technical Information Center, dezembro de 1997. http://dx.doi.org/10.21236/ada333217.

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Dapkus, P. D. Ultrashort Pulse, Monolithic Modelocked Lasers for WDM Systems. Fort Belvoir, VA: Defense Technical Information Center, maio de 2001. http://dx.doi.org/10.21236/ada387721.

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MacFarlane, Duncan. Ultrashort Pulse Production in Synchronously Pumped Mode-Locked Dye Laser Systems. Portland State University Library, janeiro de 2000. http://dx.doi.org/10.15760/etd.1391.

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Lou, Janet W., Marc Currie, Vasanthi Sivaprakasam e Jay D. Eversole. Green and Ultraviolet Pulse Generation with a Compact, Fiber Laser, Chirped-Pulse Amplification System for Aerosol Fluorescence Measurements. Fort Belvoir, VA: Defense Technical Information Center, abril de 2010. http://dx.doi.org/10.21236/ada534782.

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