Bibliographies thématiques / Laser beam steering

Littérature scientifique sur le sujet « Laser beam steering »

Auteur : Grafiati
Publié le 14 mars 2023

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Articles de revues sur le sujet "Laser beam steering"

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Forman, Steven E. « Laser radar beam steering mirrors ». Optical Engineering 29, no 11 (1990) : 1342. http://dx.doi.org/10.1117/12.55736.

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Tang, Chin-I., Xianyue Deng et Yuzuru Takashima. « Real-Time CGH Generation by CUDA-OpenGL Interoperability for Adaptive Beam Steering with a MEMS Phase SLM ». Micromachines 13, no 9 (15 septembre 2022) : 1527. http://dx.doi.org/10.3390/mi13091527.

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Real-time, simultaneous, and adaptive beam steering into multiple regions of interest replaces conventional raster scanning with a less time-consuming and flexible beam steering framework, where only regions of interest are scanned by a laser beam. CUDA-OpenGL interoperability with a computationally time-efficient computer-generated hologram (CGH) calculation algorithm enables such beam steering by employing a MEMS-based phase light modulator (PLM) and a Texas Instruments Phase Light Modulator (TI-PLM). The real-time CGH generation and display algorithm is incorporated into the beam steering system with variable power and scan resolution, which are adaptively controlled by camera-based object recognition. With a mid-range laptop GPU and the current version of the MEMS-PLM, the demonstrated scanning speed can exceed 1000 points/s (number of beams > 5) and potentially exceeds 4000 points/s with state-of-the-art GPUs.
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DIZIER, F., J. L. AYRAL, J. MONTEL et J. P. HUIGNARD. « A PHASE CONJUGATE Nd:YAG LASER WITH BEAM STEERING ». Journal of Nonlinear Optical Physics & ; Materials 02, no 02 (avril 1993) : 229–45. http://dx.doi.org/10.1142/s0218199193000140.

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We analyse the competitive effects which alter the stability of SBS phase conjugate mirrors when the laser operates at repetition rates between 10 and 30 Hz. Satisfactory results are obtained with nitrogen gas cell at 180 Atm. We also propose and experimentally demonstrate a SBS phase-conjugate Nd:YAG laser source with a beam steering function. The laser, designed as an oscillator-amplifier configuration, incorporates a TeO 2 acousto-optic deflector on the low energy beam. The high energy beam (100–185 mJ) is thus deflected over 2.7° and 40 resolved beam directions are obtained with 5 µs access time.
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Deng, Xianyue, Chin-I. Tang, Chuan Luo et Yuzuru Takashima. « Diffraction Efficiency of MEMS Phase Light Modulator, TI-PLM, for Quasi-Continuous and Multi-Point Beam Steering ». Micromachines 13, no 6 (18 juin 2022) : 966. http://dx.doi.org/10.3390/mi13060966.

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The recent development of the Micro Electromechanical System (MEMS) Phase Light Modulator (PLM) enables fast laser beam steering for lidar applications by displaying a Computer-Generated Hologram (CGH) without employing an iterative CGH calculation algorithm. We discuss the application of MEMS PLM (Texas Instruments PLM) for quasi-continuous laser beam steering by deterministically calculated CGHs. The effect on the diffraction efficiency of PLM non-equally spaced phase levels was quantified. We also address the CGH calculation algorithm and an experimental demonstration that steered and scanned the beam into multiple regions of interest points, enabling beam steering for lidar without sequential raster scanning.
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Tamadazte, Brahim, Rupert Renevier, Jean-Antoine Seon, Andrey V. Kudryavtsev et Nicolas Andreff. « Laser Beam Steering Along Three-Dimensional Paths ». IEEE/ASME Transactions on Mechatronics 23, no 3 (juin 2018) : 1148–58. http://dx.doi.org/10.1109/tmech.2018.2821239.

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Arnold, Steffen, et Ellen-Christine Reiff. « Laser Beam Steering not only in Ophthalmology ». Laser Technik Journal 9, no 5 (25 octobre 2012) : 24–26. http://dx.doi.org/10.1002/latj.201290065.

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He, Guojun, Lihua Huang, Liying Hou et Huijie Huang. « Study of beam steering based on feedback control via a pulsed laser ». Chinese Optics Letters 13, Suppl. (2015) : S21401. http://dx.doi.org/10.3788/col201513.s21401.

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Balchev, Ivaylo, Lyubomir Lazov et Edmunds Teirumnieks. « PRECISION MICROMACHINING OF METALS BY CUBR LASER ». ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (20 juin 2019) : 13. http://dx.doi.org/10.17770/etr2019vol3.4178.

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The ability to laser machine materials with high resolution and high throughput is critical in advanced manufacturing for a vast array of applications, from photovoltaic cells to bio-compatible micro-components. Copper bromide (CuBr) lasers with their excellent beam quality promised noticeable advantages and improvements in high precision and material processing at the microscale. The application of the CuBr laser as a precision tool for micromachining of different metals has been demonstrated. That good performance was a result of the combination of high power visible radiation, short pulses, and close to the diffraction-limited laser beam divergence with high-speed galvo scanner beam steering.
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Mo, Hangjie, Xiaojian Li, Bo Ouyang, Ge Fang et Yuanjun Jia. « Task Autonomy of a Flexible Endoscopic System for Laser-Assisted Surgery ». Cyborg and Bionic Systems 2022 (26 août 2022) : 1–11. http://dx.doi.org/10.34133/2022/9759504.

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Laser beam steering has been widely studied for the automation of surgery. Currently, flexible instruments for laser surgery are operated entirely by surgeons, which keeps the automation of endoluminal surgery at the initial level. This paper introduces the design of a new workflow that enables the task autonomy of laser-assisted surgery in constrained environments such as the gastrointestinal (GI) tract with a flexible continuum robotic system. Unlike current, laser steering systems driven by piezoelectric require the use of high voltage and are risky. This paper describes a tendon-driven 2 mm diameter flexible manipulator integrated with an endoscope to steer the laser beam. By separating its motion from the total endoscopic system, the designed flexible manipulator can automatically manipulate the laser beam. After the surgical site is searched by the surgeon with a master/slave control, a population-based model-free control method is applied for the flexible manipulator to achieve accurate laser beam steering while overcoming the noise from the visual feedback and disturbances from environment during operation. Simulations and experiments are performed with the system and control methods to demonstrate the proposed framework in a simulated constrained environment.
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Zhang, Delin, Jingxin Cheng et Yuanqin Xia. « Laser Beam Jitter Control Based on a LabVIEW FPGA Control System ». Optics 4, no 1 (24 février 2023) : 214–26. http://dx.doi.org/10.3390/opt4010015.

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The thermal blooming effect, platform jitter, and other effects of laser beam propagation cause serious deviation, which will have a negative impact on laser tracking systems. It is important to ensure that the laser beam does not deviate. Based on a fast steering mirror, a CMOS camera, and a Flex RIO system, a laser beam jitter control system is designed and implemented. The error is detected by camera and compensated for by the fast steering mirror (FSM), which is controlled by the Flex RIO device. By using LabVIEW and MATLAB, a closed loop model is realized. The results show that the system response is highly stabilized and has a short rise time, providing a reference for engineering applications.
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Thèses sur le sujet "Laser beam steering"

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Bas, Derek. « Laser Beam Steering with Thin Film GaAs on Plastic ». Bowling Green State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1277119321.

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Hällstig, Emil. « Nematic Liquid Crystal Spatial Light Modulators for Laser Beam Steering ». Doctoral thesis, Uppsala University, Quantum Chemistry, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4693.

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Laser beam control is important in many applications. Phase modulating spatial light modulators (SLMs) can be used to electronically alter the phase distribution of an optical wave-front and thus change the direction and shape of a laser beam. Physical constraints set limitations to the SLM and an ideal phase distribution can usually not be realised. In order to understand how such components can be used for non-mechanical beam control three nematic liquid crystal (NLC) SLMs have been thoroughly characterised and modelled.

The pixel structure and phase quantisation give a discrepancy between ideal and realised phase distributions. The impact on beam steering capability was examined by measurements and simulations of the intensity distribution in the far-field.

In two of the studied SLMs the pixel period was shorter than the thickness of the LC layer giving the optical phase shift. This results in a so-called “fringing field”, which was shown to degrade the phase modulation and couple light between polarisation modes. The deformation of the LC was simulated and a finite-difference time-domain (FDTD) algorithm was used to calculate how polarised light propagates through the optically anisotropic SLM.

Non-mechanical beam steering and tracking in an optical free-space communication link were demonstrated. Continual optimisation of the steering angle was achieved by feedback from a video camera.

The optical properties of the SLM in the time period right after a voltage update were studied. It was shown how light is redistributed between orders during the switching from one blazed grating to another. By appropriate choice of the blazed gratings the effects on the diffraction efficiency can be minimised.

The detailed knowledge of the SLM structure and its response to electronic control makes it possible to predict and optimise the device performance in future systems.

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Hällstig, Emil. « Nematic liquid crystal spatial light modulators for laser beam steering / ». Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4693.

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Liu, Yifan. « The True-Time-Delay (TTD) Laser Beam Steering System Design Based on Fourier Cell ». The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1237915468.

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SANTAGATA, ROSA. « Sub-nanometer length metrology for ultra-stable ring laser gyroscopes ». Doctoral thesis, Rosa Santagata, 2015. http://hdl.handle.net/11365/1004514.

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Large-frame ring laser gyroscopes are extremely sensitive inertial detectors of rotational motion. When properly coupled to the ground, they provide precise measurements of the Earth rotation rate and give important informations to geodesy and geophysics. Recent advances in this technology led to consider the application of ring laser gyroscopes to fundamental physics. In this context is GINGER (Gyroscopes IN GEneral Relativity), a scientic proposal for testing General Relativity (local observation of the Lense-Thirring eect) with a ground-based array of ring laser gyroscopes. The experimental target is to locally measure the Earth rotation rate with a relative precision better than one part in 109, corresponding to an absolute rotational resolution of 10−14 rad/s. The main factor limiting the performances of the presently most stable ring laser gyroscopes is the uncontrolled deformation of their optical cavity, since instabilities in the cavity geometry introduce systematic errors in the rotational signal. Cavity geometry is typically kept stable by using monolithic frames made of ultra-low thermal expansion materials, and operating in very well isolated environments. An alternative approach is based on the active control of the shape in heterolithic cavities, by measuring and stabilizing the mirrors positions by means of laser-based length metrology. The goal of this thesis is the development of a stabilization system based on interferometric length metrology, with a view to improve the sensitivity of the new generation square ring laser gyroscopes, going beyond the level achievable with passive methods. The main idea proposed in this work is to exploit the diagonal resonators formed by opposite cavity mirrors, and to use their lengths as observables to constraint, against an optical reference standard, residual deformation degrees of freedom of the square cavity. As a rst step, a detailed model of the light propagation along the square cavity has been developed. This allowed us to quantify the eectiveness of the v xed length constraint of the diagonal resonators, and gave precise indications for the optimization strategy of the residual degrees of freedom. The optical frequency reference is a helium neon laser stabilized to the iodine molecular absorption. Since the power emitted by this laser is of only 300 µW, an optical amplier, based on the injection locking of a 15 mW diode laser, has been developed to guarantee a proper signal to noise ratio in the interferometric absolute length measurements. To stabilize the absolute lengths of the two diagonals, we proposed an original experimental method for the determination of both the optical resonance frequency and the free spectral range of each cavity. It is based on a triple-frequency modulation of the interrogating laser beam by electro-optic modulators. In a rst tabletop experiment, the method has been veried on two Fabry-Perot resonators that, composed by couples of spherical mirrors typically used in the He-Ne ring cavities, simulate the diagonals of a ring laser gyroscope on an optical bench. Here, the capability of setting equal the two lengths at the level of 500 nm, with residual uctuations only limited by the laser frequency noise, has been experimentally proved. As a nal result, we have applied the developed method to lock the diagonal cavities lengths of GP2 ring laser gyroscope, a square cavity 1.6 m in side length dedicated to the interferometric control of the cavity geometry deformations, and fully set up at the INFN laboratories in Pisa in June 2015
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Evans, Jonathan W. « Beam Switching of an Nd:YAG Laser Using Domain Engineered Prisms in Magnesium Oxide Doped Congruent Lithium Niobate ». University of Dayton / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1281366442.

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Bugoffa, Salaheddeen G. « Acousto-Optic Scanning and Reflection Sensing for Large Area Object Search and Recovery ». University of Dayton / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1470257122.

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Shi, Lei. « Tunable liquid crystal polarization gratings ». [Kent, Ohio] : Kent State University, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=kent1258988951.

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Thesis (Ph.D.)--Kent State University, 2009.
Title from PDF t.p. (viewed Apr. 22, 2010). Advisor: Philip Bos. Keywords: Liquid crystal; beam steering; polarization gratings; diffraction efficiency; decentered microlens array. Includes bibliographical references (p. 216-219).
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Tran, Tuan-Anh. « Multiple-input multiple-output optical wireless communications ». Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:094fbe23-88c3-49c4-b64b-a1de40674123.

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Visible-light optical wireless communications (OWC) is a potential technology that can help resolve the crowdedness of the radio-frequency bands, whilst conveniently exploiting energy-saving light-emitting diodes (LEDs) as transmitters for both illumination and communications. Since there usually are many LEDs in a lighting unit, OWC has a multi- input multi-output (MIMO) geometry which, thanks to its channel diversity, can offer wireless local networks at data-rates many times higher than possible with single-channel systems. In such systems, MIMO-detection methods to separate the different optical channels play an important role in improving the system performance by helping reduce cross-talk between channels. To measure the performance of a particular geometry for MIMO communications, a simulation study, reported in this thesis, found that, amongst the signal- independent metrics, the condition number may be used as a rough predictor of the performance, whilst the channel Signal-to-Interference-and-Noise Ratio (SINR) is the most appropriate for geometry assessment. Combined with the fact that the overall performance of a MIMO system is mostly dominated by its worst channel, this indicates that the most effective way to improve the system performance is to maximise the worst channel’s SINR. One of the possible solutions to improving the SINRs is to use holograms to steer the transmitter images such that their distributions over the photo-detectors reduce overlaps. As LEDs emit partially-coherent light, the beam steering has to be carried out with partially- coherent illumination. By using two lenses to parallelise and collect partially-coherent light before and after the hologram, respectively, the source and image intensity distributions, and the autocorrelation of the hologram can be related in a succinct mathematical relationship. This leads to the development of three computational algorithms based on the autocorrelation function to obtain a quantised hologram with the desired beam-steering capability. These algorithms have their cost functions and performance comparison done at the hologram plane instead of the image plane, which therefore takes less time than traditional image-based methods. Specifically, one of these algorithms is able to save significant time over both the other autocorrelation-based algorithms and the direct binary-search, by 33% and by 50% respectively. A simulation-based study and a corresponding experiment, both reported in this thesis, found that the one of the proposed algorithms had poor power efficiency, whilst the other two were both highly effective in generating digital holograms with precise and power-efficient beam-steering performance. Of these two algorithms, one had superior time performance and was likely the best of the three proposed autocorrelation-based algorithms for generating beam-steering holograms. MIMO-OWC simulation also demonstrated the capability of using beam-steering holograms to design the channel and improve the system performance. Combining reported findings, a strategy can be devised to optimise the throughput of an imaging MIMO-OWC system for a given transmitted power.
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Khan, Sajjad. « Liquid Crystal Optics for Communications, Signal Processing and 3-D Microscopic Imaging ». Doctoral diss., University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3389.

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This dissertation proposes, studies and experimentally demonstrates novel liquid crystal (LC) optics to solve challenging problems in RF and photonic signal processing, freespace and fiber optic communications and microscopic imaging. These include free-space optical scanners for military and optical wireless applications, variable fiber-optic attenuators for optical communications, photonic control techniques for phased array antennas and radar, and 3-D microscopic imaging. At the heart of the applications demonstrated in this thesis are LC devices that are non-pixelated and can be controlled either electrically or optically. Instead of the typical pixel-by-pixel control as is custom in LC devices, the phase profile across the aperture of these novel LC devices is varied through the use of high impedance layers. Due to the presence of the high impedance layer, there forms a voltage gradient across the aperture of such a device which results in a phase gradient across the LC layer which in turn is accumulated by the optical beam traversing through this LC device. The geometry of the electrical contacts that are used to apply the external voltage will define the nature of the phase gradient present across the optical beam. In order to steer a laser beam in one angular dimension, straight line electrical contacts are used to form a one dimensional phase gradient while an annular electrical contact results in a circularly symmetric phase profile across the optical beam making it suitable for focusing the optical beam. The geometry of the electrical contacts alone is not sufficient to form the linear and the quadratic phase profiles that are required to either deflect or focus an optical beam. Clever use of the phase response of a typical nematic liquid crystal (NLC) is made such that the linear response region is used for the angular beam deflection while the high voltage quadratic response region is used for focusing the beam. Employing an NLC deflector, a device that uses the linear angular deflection, laser beam steering is demonstrated in two orthogonal dimensions whereas an NLC lens is used to address the third dimension to complete a three dimensional (3-D) scanner. Such an NLC deflector was then used in a variable optical attenuator (VOA), whereby a laser beam coupled between two identical single mode fibers (SMF) was mis-aligned away from the output fiber causing the intensity of the output coupled light to decrease as a function of the angular deflection. Since the angular deflection is electrically controlled, hence the VOA operation is fairly simple and repeatable. An extension of this VOA for wavelength tunable operation is also shown in this dissertation. A LC spatial light modulator (SLM) that uses a photo-sensitive high impedance electrode whose impedance can be varied by controlling the light intensity incident on it, is used in a control system for a phased array antenna. Phase is controlled on the Write side of the SLM by controlling the intensity of the Write laser beam which then is accessed by the Read beam from the opposite side of this reflective SLM. Thus the phase of the Read beam is varied by controlling the intensity of the Write beam. A variable fiber-optic delay line is demonstrated in the thesis which uses wavelength sensitive and wavelength insensitive optics to get both analog as well as digital delays. It uses a chirped fiber Bragg grating (FBG), and a 1xN optical switch to achieve multiple time delays. The switch can be implemented using the 3-D optical scanner mentioned earlier. A technique is presented for ultra-low loss laser communication that uses a combination of strong and weak thin lens optics. As opposed to conventional laser communication systems, the Gaussian laser beam is prevented from diverging at the receiving station by using a weak thin lens that places the transmitted beam waist mid-way between a symmetrical transmitter-receiver link design thus saving prime optical power. LC device technology forms an excellent basis to realize such a large aperture weak lens. Using a 1-D array of LC deflectors, a broadband optical add-drop filter (OADF) is proposed for dense wavelength division multiplexing (DWDM) applications. By binary control of the drive signal to the individual LC deflectors in the array, any optical channel can be selectively dropped and added. For demonstration purposes, microelectromechanical systems (MEMS) digital micromirrors have been used to implement the OADF. Several key systems issues such as insertion loss, polarization dependent loss, wavelength resolution and response time are analyzed in detail for comparison with the LC deflector approach. A no-moving-parts axial scanning confocal microscope (ASCM) system is designed and demonstrated using a combination of a large diameter LC lens and a classical microscope objective lens. By electrically controlling the 5 mm diameter LC lens, the 633 nm wavelength focal spot is moved continuously over a 48 [micro]m range with measured 3-dB axial resolution of 3.1 [micro]m using a 0.65 numerical aperture (NA) micro-objective lens. The ASCM is successfully used to image an Indium Phosphide twin square optical waveguide sample with a 10.2 [micro]m waveguide pitch and 2.3 [micro]m height and width. Using fine analog electrical control of the LC lens, a super-fine sub-wavelength axial resolution of 270 nm is demonstrated. The proposed ASCM can be useful in various precision three dimensional imaging and profiling applications.
Ph.D.
Optics and Photonics
Optics
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Livres sur le sujet "Laser beam steering"

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Guthrie, James Russell. Beam steering in 980nm high power diode lasers. Ottawa : National Library of Canada, 1994.

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Chapitres de livres sur le sujet "Laser beam steering"

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Chaudhary, Himanshu, Shahida Khatoon, Ravindra Singh et Ashish Pandey. « Optimized Controller Design for Fast Steering Mirror-Based Laser Beam Steering Applications ». Dans Studies in Big Data, 439–48. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4412-9_29.

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Otto, Thomas. « Risks and Hazards of Particle Accelerator Technologies ». Dans Safety for Particle Accelerators, 5–54. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57031-6_2.

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AbstractIn this section, the motivation and operation of particle accelerators are briefly introduced. Then, safety aspects of the key building blocks are treated. Magnets provide the steering forces for accelerated particles. Cryogenics provides the low temperatures required for the operation of superconducting magnets; radiofrequency technologies impart energy to accelerated particles. A byproduct of their operation is Non-ionising radiation. Another type of NIR is represented by lasers which find increasing use in accelerator applications. Finally, collimators shape the particle beams and protect sensitive elements, while dumps absorb the particles at the end of their course.
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Li, Yajun. « Gimbaled Mirror for Two-Dimensional Beam-Steering ». Dans Elements of Optical and Laser Beam Scanning : Modeling of Mirror and Prism Scanning Devices. SPIE, 2021. http://dx.doi.org/10.1117/3.2593204.ch6.

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Li, Yajun. « Inverse Solutions for Three- Element Risley-Prism-Based Beam-Steering Systems in Different Configurations ». Dans Elements of Optical and Laser Beam Scanning : Modeling of Mirror and Prism Scanning Devices. SPIE, 2021. http://dx.doi.org/10.1117/3.2593204.ch9.

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Li, Yajun. « Exact and Approximate Solutions for Risley-Prism- Based Beam-Steering Systems in Different Configurations ». Dans Elements of Optical and Laser Beam Scanning : Modeling of Mirror and Prism Scanning Devices. SPIE, 2021. http://dx.doi.org/10.1117/3.2593204.ch7.

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Li, Yajun. « Error Sources and Their Influence on the Performance of Risley-Prism-Based Beam Steering Systems ». Dans Elements of Optical and Laser Beam Scanning : Modeling of Mirror and Prism Scanning Devices. SPIE, 2021. http://dx.doi.org/10.1117/3.2593204.ch10.

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Li, Yajun. « Forward and Inverse Solutions for Two-Element Risley-Prism-Based Beam-Steering Systems in Different Configurations ». Dans Elements of Optical and Laser Beam Scanning : Modeling of Mirror and Prism Scanning Devices. SPIE, 2021. http://dx.doi.org/10.1117/3.2593204.ch8.

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« 6. Quality metrics and reliability analysis of ground-to-ground free space laser communication in different weather conditions together with beam steering system ». Dans Free Space Optical Communication, 149–74. De Gruyter Oldenbourg, 2015. http://dx.doi.org/10.1515/9783110452617-010.

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Actes de conférences sur le sujet "Laser beam steering"

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Nagamine, Eric, Kenneth W. Burgi, Samuel D. Butler et Michael Marciniak. « Nonmechanical beam-steering in reflective inverse diffusion ». Dans Laser Beam Shaping XIX, sous la direction de Angela Dudley et Alexander V. Laskin. SPIE, 2019. http://dx.doi.org/10.1117/12.2530209.

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Khan, K. I. Iftekhar Uddin, Stefania Castelletto et Gary Rosengarten. « Two-axis electrowetting liquid lens for beam steering ». Dans Laser Beam Shaping XX, sous la direction de Angela Dudley et Alexander V. Laskin. SPIE, 2020. http://dx.doi.org/10.1117/12.2567852.

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Tholl, Hans Dieter. « Novel laser beam steering techniques ». Dans Optics/Photonics in Security and Defence, sous la direction de David H. Titterton. SPIE, 2006. http://dx.doi.org/10.1117/12.689900.

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Maksymova, Ievgeniia, Philipp Greiner, Johannes Wiesmeier, Franz Michael Darrer et Norbert Druml. « A MEMS mirror driver ASIC for beam-steering in scanning MEMS-based LiDAR ». Dans Laser Beam Shaping XIX, sous la direction de Angela Dudley et Alexander V. Laskin. SPIE, 2019. http://dx.doi.org/10.1117/12.2528312.

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Pantsar, Henrikki, Petri Laakso, Mika Aikio, Jouni Huopana, Hans Herfurth et Stefan Heinemann. « Advanced beam steering in helical drilling ». Dans ICALEO® 2009 : 28th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing. Laser Institute of America, 2009. http://dx.doi.org/10.2351/1.5061559.

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Farn, Michael W. « Binary Optic Beam Steering Techniques ». Dans Optical Design for Photonics. Washington, D.C. : Optica Publishing Group, 1993. http://dx.doi.org/10.1364/odp.1993.tua.12.

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The steering of a collimated laser beam is a fundamental building block for many optical systems. Common examples include bar code scanners, laser radars, laser machining applications and laser printers.
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Maleshkov, Georgi, Dragomir N. Neshev et Alexander Dreischuh. « Bright beam deflection by steering beams with mixed phase dislocations ». Dans 15th International School on Quantum Electronics : Laser Physics and Applications, sous la direction de Tanja Dreischuh, Elena Taskova, Ekaterina Borisova et Alexander Serafetinides. SPIE, 2008. http://dx.doi.org/10.1117/12.822541.

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Vreeland, Brandon, Andre Rynbach et Philip Bos. « High steering resolution design of pancharatnam phase based optical laser beam steering device ». Dans Laser Technology for Defense and Security XVII, sous la direction de Mark Dubinskii, Lawrence Grimes et Rita D. Peterson. SPIE, 2022. http://dx.doi.org/10.1117/12.2633937.

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9

Oleski, Paul J., Kevin W. Dorrian et Timothy E. Busch. « Nonmechanical laser beam steering/beam spoiling methods for intersatellite cross links ». Dans OE/LASE '94, sous la direction de G. Stephen Mecherle. SPIE, 1994. http://dx.doi.org/10.1117/12.184659.

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Haskal, H. M., R. F. Adamowicz, J. T. Muller et P. B. Scott. « High-speed high-resolution laser beam steering concept ». Dans OSA Annual Meeting. Washington, D.C. : Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.faa3.

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Résumé :
An electronically tunable laser diffracted by an efficient grating constitutes an attractive laser beam steering concept, which combines high speed with high angular resolution. Our detailed calculations have determined the characteristics of the proposed deflector including the number of resolvable spots N R , the expected diffraction efficiency, and the angular speed. In the computation of N R we take into account the angular broadening of the diffracted beam due to the finite linewidth of the laser. The analysis indicates that using a laser with a 35-nm tuning range, a linewidth of 1 pm, and a grating with a 306-nm spacing and a 30-mm aperture, N R = 12,300 is realizable.
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Rapports d'organisations sur le sujet "Laser beam steering"

1

Moloney, J. V. High Speed Modulation, Beam Steering and Control of High Power Diode Lasers. Fort Belvoir, VA : Defense Technical Information Center, mars 2000. http://dx.doi.org/10.21236/ada376293.

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2

Scrymgeour, David A., L. Tian, Venkatraman Gopalan, Daren Chauvin et Kenneth L. Schepler. Phased-Array Electro-Optic Steering of Large Aperture Laser Beams Using Ferroelectrics. Fort Belvoir, VA : Defense Technical Information Center, mai 2005. http://dx.doi.org/10.21236/ada436128.

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