Bibliografie tematiche / Electro-optical sampling

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Letteratura scientifica selezionata sul tema "Electro-optical sampling"

Autore: Grafiati
Pubblicato: 22 febbraio 2025

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Articoli di riviste sul tema "Electro-optical sampling"

1

Li, Yuelin. "Electro-optical sampling at near-zero optical bias". Applied Physics Letters 88, n. 25 (19 giugno 2006): 251108. http://dx.doi.org/10.1063/1.2214143.

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2

Shiktorov, P., E. Starikov, V. Gružinskis, L. Varani e L. Reggiani. "Modeling of THz - Electro-Optical Sampling Measurements". Acta Physica Polonica A 113, n. 3 (marzo 2008): 913–16. http://dx.doi.org/10.12693/aphyspola.113.913.

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3

Nikles, Marc. "Optical sampling using wideband electro-optic modulators". Optical Engineering 34, n. 7 (1 luglio 1995): 2078. http://dx.doi.org/10.1117/12.204801.

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4

Shields, Taylor, Adetunmise C. Dada, Lennart Hirsch, Seungjin Yoon, Jonathan M. R. Weaver, Daniele Faccio, Lucia Caspani, Marco Peccianti e Matteo Clerici. "Electro-Optical Sampling of Single-Cycle THz Fields with Single-Photon Detectors". Sensors 22, n. 23 (2 dicembre 2022): 9432. http://dx.doi.org/10.3390/s22239432.

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Abstract (sommario):
Electro-optical sampling of Terahertz fields with ultrashort pulsed probes is a well-established approach for directly measuring the electric field of THz radiation. This technique usually relies on balanced detection to record the optical phase shift brought by THz-induced birefringence. The sensitivity of electro-optical sampling is, therefore, limited by the shot noise of the probe pulse, and improvements could be achieved using quantum metrology approaches using, e.g., NOON states for Heisenberg-limited phase estimation. We report on our experiments on THz electro-optical sampling using single-photon detectors and a weak squeezed vacuum field as the optical probe. Our approach achieves field sensitivity limited by the probe state statistical properties using phase-locked single-photon detectors and paves the way for further studies targeting quantum-enhanced THz sensing.
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5

Fuji, Takao, Yutaka Nomura, Hideto Shirai e Noriaki Tsurumachi. "Frequency-resolved optical gating with electro-optic sampling". EPJ Web of Conferences 41 (2013): 12001. http://dx.doi.org/10.1051/epjconf/20134112001.

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6

Jiang, Zhiping, F. G. Sun, Q. Chen e X. C. Zhang. "Electro-optic sampling near zero optical transmission point". Applied Physics Letters 74, n. 9 (marzo 1999): 1191–93. http://dx.doi.org/10.1063/1.123495.

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7

Krotkus, A., D. Hoffmann, R. Ludwig e S. Diez. "Optical sampling technique for fast electro-optic devices". Electronics Letters 34, n. 19 (1998): 1877. http://dx.doi.org/10.1049/el:19981286.

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8

Jong, Kuo-Chin, Hen-Wai Tsao e San-Liang Lee. "Novel optical performance monitoring techniques using jittered electro-optical sampling pulses". Microwave and Optical Technology Letters 50, n. 7 (2008): 1831–34. http://dx.doi.org/10.1002/mop.23504.

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9

Li, Jian Wei, Nan Xu, Jian Li e Zhi Xin Zhang. "Ultrafast Electrical Signal Electro-Optic Sampling Test Theory and Test System". Advanced Materials Research 571 (settembre 2012): 471–75. http://dx.doi.org/10.4028/www.scientific.net/amr.571.471.

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Abstract (sommario):
Discussed the principle of electro-optic sampling technique and implementation methods of Ultra-fast electrical signals, the electric field of electro-optical crystal and sampling pulses as well as the interaction between the principle of time scanning unit, established the coplanar waveguide parameters model, and analyzed the technical indicators of test system.
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10

Zhukova, M. O., E. A. Makarov, S. E. Putilin, A. N. Tsypkin, V. P. Chegnov, O. I. Chegnova e V. G. Bespalov. "Two-photon absorption in THz electro-optical sampling crystals". Journal of Physics: Conference Series 1062 (luglio 2018): 012009. http://dx.doi.org/10.1088/1742-6596/1062/1/012009.

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Più fonti

Tesi sul tema "Electro-optical sampling"

1

Koseoglu, Devrim. "Material Characterization With Terahertz Time-domain Spectroscopy". Phd thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/2/12611648/index.pdf.

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Terahertz time-domain spectroscopy systems were developed and used for the anaylsis and characterization of various materials. By using ultra-fast Ti:Sapphire and Er-doped fiber lasers, terahertz time-domain spectrometers of different configurations were constructed and tested. To increase the accuracy and sensitivity of the measurements, the systems were optimized for spectroscopic analysis. MBE grown nominally undoped epitaxial GaAs samples were used for the spectroscopic measurements. These samples were first charactrized by electrical measurements in order to check the accuracy of the terahertz time-domain experiments. We have shown that the terahertz time-domin spectroscopic techniques provides a quick way of the determining the real ( ) and complex () components of the refractive index of material. In addition, we have investigated the photoexcitation dynamics of these GaAs samples. We have demonstrated that direct and photoexcited terahertz time-domain measurements give an estimate of the carrier densities and both the hole and electron mobility values with good precision. rnin An algorithm is developed to prevent the unwanted Fabry-Perot reflections which is commonly encountered in Terahertz Spectroscopy systems. We have performed terahertz time-domain transmission measurements on ZnTe <
110>
crystals of various thicknesses to test the applicability of this algorithm. We have shown that the algorithm developed provides a quick way of eliminating the &ldquo
etalon&rdquo
reflections from the data. In addition, it is also shown that these &ldquo
etalon&rdquo
effects can be used for the frequency calibration of terahertz time-domain spectrometers.
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2

Abdul, Hadi Zeinab. "Terahertz emission spectroscopy of multiferroic bismuth ferrite : insights into ultrafast currents and phonon dynamics". Electronic Thesis or Diss., Le Mans, 2024. http://www.theses.fr/2024LEMA1030.

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Abstract (sommario):
La technologie térahertz (THz) a suscité un intérêt significatif dans la communauté scientifique en raison de sa position unique dans le spectre électromagnétique, complétant le gap entre les régions des micro-ondes et de l'infrarouge. Cette radiation est non ionisante et peut pénétrer divers matériaux sans les endommager, ce qui la rend très attirante pour de nombreuses applications potentielles. Les avancées récentes dans la technologie des lasers ultra-rapides ont élargi l'exploration du rayonnement THz à un large éventail de technologies passionnantes. Elle est désormais utilisée dans des domaines tels que la médecine pour de nouvelles techniques d'imagerie, en spectroscopie pour l'analyse des matériaux, dans les technologies de l'information et de la communication pour le transfert de données plus rapide, et même dans la sécurité, l'agriculture, le contrôle de qualité et la science des matériaux fondamentaux.Par conséquent, le développement de sources THz efficaces et réglables est devenu un défi au sein de la communauté THz pour développer davantage ces applications, motivant l'exploration de nouveaux matériaux et mécanismes d'émission THz. Dans mon projet de doctorat, j'ai exploré un nouvel émetteur THz : le matériau multiferroïque le plus connu, le ferrite de bismuth (BiFeO3). Ce matériau multiferroïque est particulièrement intéressant en raison de ses propriétés multiferroïques distinctives. Le BiFeO3 présente à la fois une large polarisation ferroélectrique et un ordre antiferromagnétique à température ambiante, offrant une interaction unique des ordres ferroélectriques et magnétiques et faisant de ce matériau un candidat prometteur pour la génération de THz.En utilisant un montage de spectroscopie d'émission THz que j'ai construit, avec sa détection électro-optique, j'examine l'émission THz de trois échantillons de BiFeO3 distincts. Le premier avec une polarisation dans le plan, un autre avec une polarisation hors plan, et un troisième présentant deux domaines avec deux différentes orientations de polarisation. Cette technique permet l'observation et l'analyse directes du rayonnement THz émis par ces échantillons suite à l'excitation laser au-dessus du gap.Les études expérimentales impliquent une analyse détaillée des signaux THz émis par les échantillons de BiFeO3 dans des conditions expérimentales variées. En variant les longueurs d'onde de la pompe, les orientations des échantillons, les directions de polarisation de la lumière de la pompe, et la puissance de la pompe, nous pouvons explorer comment ces facteurs influencent l'émission THz. Ensuite, nous séparent la dynamique ultra-rapide des porteurs (courant ultra-rapide) et les vibrations du réseau (phonons optiques) contribuant à ce signal THz émis. Enfin, en analysant leur réponse aux changements des paramètres expérimentaux, nous pouvons approfondir notre compréhension des mécanismes physiques contribuant à ces dynamiques ultra-rapides et à l'émission THz dans BiFeO3
Terahertz (THz) technologies have attracted significant interest in the scientific community due to their unique position in the electromagnetic spectrum, bridging the gap between the microwave and infrared regions. This radiation is non-ionizing and can penetrate various materials without causing damage, making it highly attractive for numerous potential applications. Recent advances in ultrafast laser technology have expanded the exploration of THz radiation into a wide range of exciting technologies. It’s now being used in fields like medicine for new imaging techniques, in spectroscopy for analyzing materials, in information and communication technology for faster data transfer, and even in security, agriculture, quality control and fundamental material science. Consequently, the development of efficient and tunable THz sources has become a major focus within the THz community to expand these applications further, motivating the exploration of new materials and emission mechanisms. In my PhD project, I have explored a promising new THz emitter: the well-known multiferroic material ‘Bismuth Ferrite’ (BiFeO3). This multiferroic material is particularly interesting due to its distinctive multiferroic properties. BiFeO3 exhibits both a large ferroelectric polarization and a antiferromagnetic order at room temperature offering a unique interplay of ferroelectric and magnetic orders and making this material a promising candidate for THz generation. Using a THz emission spectroscopy setup that I constructed, with its electro-optical sampling detection, I examine THz emission from three distinct BiFeO3 samples. First one with in-plane polarization, another with out-of-plane polarization, and a third presenting striped domains with two orientations of polarization. This technique allows for the direct observation and analysis of THz radiation emitted by these samples upon above gap laser excitation. The experimental investigation involves a detailed study of the THz transient signals emitted from the BiFeO3 samples under varying experimental conditions. By varying the pump wavelengths, sample orientations, directions of pump light polarization, and pump power levels, we can explore how these factors influence the THz emission. Following this, we extract the carrier dynamics (ultrafast current) and lattice vibrations (optical phonons) contributions to this THz transient. And finally, by analyzing their response to experimental parameters changes, we can have a deeper understanding of the physical mechanisms contributing to these ultrafast dynamics and THz emission in BiFeO3
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3

Clark, Tad Dee. "An Analysis of Microstructure and Corrosion Resistance in Underwater Friction Stir Welded 304L Stainless Steel". Diss., BYU ScholarsArchive, 2005. http://contentdm.lib.byu.edu/ETD/image/etd872.pdf.

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Capitoli di libri sul tema "Electro-optical sampling"

1

Kim, Jungwon, e Changmin Ahn. "Electro-optic sampling-based timing and synchronisation with optical frequency combs". In Optical Frequency Combs, 267–84. Boca Raton: CRC Press, 2024. https://doi.org/10.1201/9781003427605-14.

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2

Lindholm, Julie Mapes. "Perceptual Effects of Spatiotemporal Sampling". In Electro-Optical Displays, 787–808. CRC Press, 2020. http://dx.doi.org/10.1201/9781003066910-19.

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3

Holst, Gerald C. "Sampling". In Electro-Optical Imaging System Performance, Sixth Edition. SPIE, 2017. http://dx.doi.org/10.1117/3.2588947.ch8.

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4

Berrettini, Gianluca, Antonella Bogoni, Francesco Fresi, Gianluca Meloni e Luca Poti. "Evolution of Optical Sampling". In Advances in Lasers and Electro Optics. InTech, 2010. http://dx.doi.org/10.5772/8643.

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Atti di convegni sul tema "Electro-optical sampling"

1

Heyrich, Matthew, Alexander Lind e Scott Diddams. "Improving the Signal-to-Noise Ratio in Dual-Comb Electro-Optic Sampling". In Frontiers in Optics, JTu5A.34. Washington, D.C.: Optica Publishing Group, 2024. https://doi.org/10.1364/fio.2024.jtu5a.34.

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Abstract (sommario):
We experimentally investigate approaches to enhance signal-to-noise ratio scaling in dual-comb electro-optic sampling. We demonstrate that chirping the sampling pulse directly before photodetection leads to improved linearity and higher SNR at higher optical powers.
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2

Nishikawa, D., K. Maezawa, R. Shibata e S. Watanabe. "Photo-Induced Surface Vibration Movie with 23,000 Frames Using Dual-Comb Based Asynchronous Optical Sampling System". In 2024 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), 1–2. IEEE, 2024. http://dx.doi.org/10.1109/cleo-pr60912.2024.10676749.

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3

Ochi, Seiga, Shuto Tsurugai, Kohei Noda, Heeyoung Lee e Yosuke Mizuno. "Demonstration of Single-End-Access Brillouin Sensing Using Plastic Optical Fibers with 1 kHz Sampling Rate". In 2024 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), 1–2. IEEE, 2024. http://dx.doi.org/10.1109/cleo-pr60912.2024.10676484.

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4

Nagatsuma, Tadao, Makoto Yaita e Katsumi Iwatsuki. "Optical Signal Measurement Using Electro-Absorption Sampling". In Ultrafast Electronics and Optoelectronics. Washington, D.C.: OSA, 1997. http://dx.doi.org/10.1364/ueo.1997.ue4.

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5

Endo, Inoue e Honda. "Single Optical Pulse Measurement Based on Electro-Optic Sampling". In Conference on Precision Electromagnetic Measurements. IEEE, 1988. http://dx.doi.org/10.1109/cpem.1988.671361.

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Amano, Michiyuki, Makoto Hikita, Yoshito Shuto, Toshio Watanabe, Satoru Tomaru, Makoto Yaita e Tadao Nagatsuma. "Diazo dye attached electro-optical polymer and its applications to waveguide devices and electro-optical sampling". In OE/LASE '94, a cura di Seth R. Marder e Joseph W. Perry. SPIE, 1994. http://dx.doi.org/10.1117/12.173835.

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7

Göhler, Benjamin, e Peter Lutzmann. "Super-resolution depth information from a shortwave infrared laser-gated viewing system by using correlated double sampling". In Electro-Optical Remote Sensing, a cura di Gary Kamerman e Ove Steinvall. SPIE, 2017. http://dx.doi.org/10.1117/12.2278431.

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8

Oeri, Milan, Sami Wittmann, Ole Peters e Ronald Holzwarth. "30 kHz THz Pulse Detection based on Electro-Optical Sampling". In 2020 45th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). IEEE, 2020. http://dx.doi.org/10.1109/irmmw-thz46771.2020.9370410.

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9

Göhler, Benjamin, e Peter Lutzmann. "Extending the 3D range of a short-wave infrared laser-gated viewing system capable of correlated double sampling". In Electro-Optical Remote Sensing, a cura di Gary Kamerman e Ove Steinvall. SPIE, 2018. http://dx.doi.org/10.1117/12.2326916.

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10

Ruan, J., H. Edwards, Cheng-Yang Tan, R. Thurman-Keup, V. Scarpine, Y. Li, John Power e Tim Maxwell. "Design of an electro-optical sampling experiment at the AWA facility". In 2007 IEEE Particle Accelerator Conference (PAC). IEEE, 2007. http://dx.doi.org/10.1109/pac.2007.4440029.

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