Relevant bibliographies by topics / Laser beam deflection

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Laser beam deflection'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Laser beam deflection"

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Pawliszyn, Janusz, Michael F. Weber, and Michael J. Dignam. "Dual‐beam laser deflection sensor." Review of Scientific Instruments 56, no. 9 (September 1985): 1740–43. http://dx.doi.org/10.1063/1.1138135.

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Skupsky, S., T. J. Kessler, S. A. Letzring, and Y. ‐H Chuang. "Laser‐beam pulse shaping using spectral beam deflection." Journal of Applied Physics 73, no. 6 (March 15, 1993): 2678–85. http://dx.doi.org/10.1063/1.353038.

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Iwasińska-Kowalska, Olga. "A SYSTEM FOR PRECISE LASER BEAM ANGULAR STEERING." Metrology and Measurement Systems 21, no. 1 (March 1, 2014): 27–36. http://dx.doi.org/10.2478/mms-2014-0003.

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Abstract A system for precise angular laser beam deflection by using a plane mirror is presented. The mirror was fixed to two supports attached to its edges. This article details the theoretical basis of how this deflector works. The spring deflection of a flat circular metal plate under a uniform axial buckling was used and the mechanical stress was generated by a piezoelectric layer. The characteristics of the deformation of the plate versus the voltage control of the piezoelectrics were examined and the value of the change resolution possible to obtain was estimated. An experimental system is presented and an experiment performed to examine this system. As a result, a resolution of displacement of 10-8 rad and a range of 10-5 rad were obtained.
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Li, Bin, Zhan-Jun Liu, Liang Hao, Chun-Yang Zheng, Hong-Bo Cai, and Min-Qing He. "Numerical simulation of beam deflection for smoothed laser beams." Acta Physica Sinica 69, no. 7 (2020): 075201. http://dx.doi.org/10.7498/aps.69.20191639.

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Gagné, M. C., P. Galarneau, and S. L. Chin. "Photorefractive deflection technique using parallel and overlaping probe and pump beams." Canadian Journal of Physics 64, no. 9 (September 1, 1986): 1116–20. http://dx.doi.org/10.1139/p86-192.

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The present work provides an experimental study of a pulsed photorefractive technique to diagnose the interior of an irradiated region. Results obtained in a mixture of SF6 and Ar are presented to illustrate the experimental technique. Three distinct areas have been studied, (i) The two beams are parallel and their optical axes are coincident (collinear). At this particular position, the probe beam suffers a defocusing effect that is used to align collinearly two laser beams with a precision of ±3 μm. (ii) The two beams are parallel but slightly off axis. In this case, the probe beam suffers a deviation that is the sole result of a rarefaction in the irradiated region followed by the normal thermal equilibration. (iii) The two beams are parallel and slightly overlapping. The probe beam suffers a deviation similar to the preceding one. Moreover, it sees an initial outward-propagating acoustic (density) wave. It is in this particular region that the acoustic perturbation appears. Finaly, the gas mixture used under our experimental conditions is a good candidate for the collinear alignment of several laser beams. The only restrictions are that the pump laser must produce a beam with a symmetrical intensity profile, the other laser beams must be continuous-wave beams, and the gas mixture must be transparent to the latter.
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Sánchez Aké, C., H. Sobral, M. Villagrán Muniz, L. Escobar-Alarcón, and E. Camps. "Characterization of laser ablation plasmas by laser beam deflection." Optics and Lasers in Engineering 39, no. 5-6 (May 2003): 581–88. http://dx.doi.org/10.1016/s0143-8166(02)00047-7.

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Bialkowski, Stephen E., Xiaoyun Gu, Pete E. Poston, and Linda S. Powers. "Pulsed-Laser Excited Differential Photothermal Deflection Spectroscopy." Applied Spectroscopy 46, no. 9 (September 1992): 1335–45. http://dx.doi.org/10.1366/0003702924123845.

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This paper describes a differential photothermal optical absorbance apparatus that uses two excitation beams at different wavelengths. A single probe beam monitors the difference in heats generated by the two wavelengths. The theory is developed for the operational principles of the apparatus, and theoretical signals are compared with those obtained with a conventional absorption spectrophotometer. The differential photothermal apparatus has a theoretical advantage over conventional spectrophotometry for samples with less than unit absorbance. Experiments are described which verify the operating principles and demonstrate the flexibility of the apparatus.
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ZHAO Wei-qian, 赵维谦, 任利利 REN Li-li, 盛. 忠. SHENG Zhong, 王. 允. WANG Yun, and 邱丽荣 QIU Li-rong. "Beam deflection scanning for laser confocal microscopy." Optics and Precision Engineering 24, no. 6 (2016): 1257–63. http://dx.doi.org/10.3788/ope.20162406.1257.

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Frolov, E. N., A. V. Dik, and S. B. Dabagov. "Beam deflection by planar–curved laser channels." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 355 (July 2015): 206–10. http://dx.doi.org/10.1016/j.nimb.2015.03.075.

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Roark, Kevin, and Gerald J. Diebold. "Resonant microphone based on laser beam deflection." Journal of Applied Physics 96, no. 1 (July 2004): 864–66. http://dx.doi.org/10.1063/1.1759079.

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Dissertations / Theses on the topic "Laser beam deflection"

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Özdemir, Aytekin, Zeki Hayran, Yuzuru Takashima, and Hamza Kurt. "Polarization independent high transmission large numerical aperture laser beam focusing and deflection by dielectric Huygens’ metasurfaces." ELSEVIER SCIENCE BV, 2017. http://hdl.handle.net/10150/625955.

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In this letter, we propose all-dielectric Huygens' metasurface structures to construct high numerical aperture flat lenses and beam deflecting devices. The designed metasurface consists of two-dimensional array of all dielectric nanodisk resonators with spatially varying radii, thereby introducing judiciously designed phase shift to the propagating light. Owing to the overlap of Mie-type magnetic and electric resonances, high transmission was achieved with rigorous design analysis. The designed flat lenses have numerical aperture value of 0.85 and transmission values around 80%. It also offers easy fabrication and compatibility with available semiconductor technology. This spectrally and physically scalable, versatile design could implement efficient wavefront manipulation or beam shaping for high power laser beams, as well as various optical microscopy applications without requiring plasmonic structures that are susceptible to ohmic loss of metals and sensitive to the polarization of light.
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Hochanadel, Joris Erich. "Effect of Beam Characteristics and Process Parameters on the Penetration and Microstructure of Laser and Electron Beam Welds in Stainless Steel and Titanium." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu160503470688313.

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Magnani, Marco. "Modellazione solida e beam per strutture lattice." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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Presentazione di un metodo semplificativo per l’analisi di un campione lattice a celle ottaedriche, partendo dalla ricerca di un modo per accorciare i tempi di simulazione necessari a condurre analisi FEM su strutture cellulari. Viene effettuata una modellazione beam delle micro travi e le strutture vengono sottoposte a simulazioni già condotte con campioni aventi la stessa geometria, ma una modellazione solida. I risultati delle due analisi vengono confrontati e, quando possibile, paragonati a risultati sperimentali. Si conclude che la modellazione proposta permette di accorciare i tempi di simulazione e di modellazione CAD, oltre a rendere possibile condurre analisi ai grandi spostamenti ottenendo risultati molto più simili a quelli ricavati in laboratorio, grazie alla riduzione della potenza di calcolo richiesta.
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Glenn, Timothy Scott 1971. "Velocity measurement of laser energy induced Rayleigh surface waves on bulk substrates employing the optical beam deflection (knife-edge detection) method." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/49947.

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Dostál, Petr. "Pohon a vedení laserového ukazovátka." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230558.

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This master thesis deals with a construction solution for traversing of laser pointer, which is used for position identification for stock removal from the storage unit SSI Logimat, including a construction solution of leading of this traversing. The first part contains a research of storage systems used in logistics, as well as systems upgraded with laser pointer. In main part are described the suggestions of leading of laser pointer traversing, together with the design of mechanical transmission and components associated with mechanical transmission. Subsequently the drive of spin of the laser and drive of mechanical transmission are designed. Selection of drives is verified by calculation. The final part contains the check of leading of traversing by strength calculation for bending, from which is suggested the design of leading reinforcement.
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Kern, Michal. "Optický systém pro torzně detekovanou elektronovou spinovou rezonanční spektroskopii." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232014.

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Táto diplomová práca sa venuje vylepšeniu spektroskopu Torzne Detegovanej Elektrónovej Spinovej Rezonancie (TDESR) výmenou aktuálnej kapacitnej detekcie výchylky ohybného ramienka za optické metódy. Práca popisuje základy Elektrónovej Spinovej Rezonančnej (ESR) spektroskopie s dôrazom na TDESR a tému magnetizmu jednomolekulových magnetov. Následne je vysvetlená detekcia výchylky ramienka pomocou odrazu laserového zväzku a interferometrie. Všetky kroky nutné k skonštruovaniu spektrometra a jeho uvedenia do prevádzky sú podrobne popísané. Pomocou detekcie odrazu laserového zväzku sme úspešne získali vysoko kvalitné TDESR spektrá kryštálu jednomolekulového magnetu Fe4. Týmto meraním sme dokázali vhodnosť použitia tejto metódy a jej výraznú prevahu nad pôvodnou kapacitnou detekciou, najmä v oblasti kvality, rozlíšenia a rýchlosti. Zároveň sme na ďaľšie vylepšenie TDESR spektrometra navrhli a zostrojili zostavu využívajúcu na detekciu výchylky interferometer.
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Muhammad, Fikri. "Multichannel +/-1.16 kV arbitrary waveform generator for driving multistage ferroelectric laser-beam-deflector." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 1.16 Mb., 70 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:1435919.

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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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Ou, Wen-Yan, and 歐文雁. "Strain Model in Adhesive Layer of the Composite Beams and Large Deflection Analysis of the Long-Beam." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/08843097122648172923.

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碩士
國立中央大學
機械工程學系
85
Generally,we take care of mechanics of composite materials problem,we assume that perfectly bonded between materials.But external force makes deform of materals would be caused shear stress and normal stress in adhesive layer.It ismain subject in this thesis.Use geometry relationship of the adhesive layer when it is deform to define shear stress and normal stress.To get govern equation of each beam,and to build close form shap function.Use finite element method analysis to forecast deflection of each beam.Hope that it can offer many data to designer. About long-beam analysis,the thesis build coordinate along deform curve to get govern equation.Also use finite element method ,increment method,alternate method,element rotation matrix to analysis.Make nonlinear problem to be linear problem.
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Cheng, Ya-Chi, and 鄭雅琪. "Mechanical Properties Measurement of Nano-Scale Aluminum Films on the Novel Paddle Cantilever Beams Using Laser Deflection." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/47962115320152240914.

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碩士
國立彰化師範大學
機電工程學系
97
In this paper the test microstructure was designed the triangular cantilever beam and fabricated by the standard C-MOS processes, which can improve stress distribution non-uniform problem and the thickness regime of deposited metal thin film on its surface could reduce to several nanometers. In order to reduce the measure error and calculation complex due to the contact force (like indenter), the driving system was used electrostatic force to making the paddle cantilever beam bend and the deflection of paddle cantilever beam due to the electrostatic force was measured by a point laser reflected from paddle plate into the Position Sensing Detector (PSD). According to the displacement of the laser point on the PSD using a simple geometry calculation the deflection of paddle cantilever will be obtained. Than, we figure out the stress versus the stain and the Young’s Modulus of the thin films. It presents the mechanical properties of thin films.
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Book chapters on the topic "Laser beam deflection"

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Sell, J. A., D. M. Heffelfinger, P. Ventzek, and R. M. Gilgenbach. "Laser Beam Deflection as a Probe of Laser Ablation of Materials." In Photoacoustic and Photothermal Phenomena II, 194–97. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-540-46972-8_49.

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Khosa, Ashfaq Hussain, Shi-Yao Zhu, and M. Suhail Zubairy. "Measurement of the Wigner Function via Atomic Beam Deflection." In Frontiers of Laser Physics and Quantum Optics, 503–8. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-07313-1_52.

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Iwasińska-Kowalska, Olga. "Liquid-filled adjustable optical wedge applied for deflection of the laser beam." In Advanced Mechatronics Solutions, 319–22. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23923-1_48.

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von Geisau, O., U. Netzelmann, S. M. Rezende, and J. Pelzl. "Study of Magnetostatic Modes in Yttrium Iron Garnet by Photothermal Laser Beam Deflection." In Photoacoustic and Photothermal Phenomena II, 254–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-540-46972-8_63.

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Gagné, M. C., and S. L. Chin. "The Photothermal Deflection Dynamics of a Laser Beam: Application to Energy Relaxation Measurements." In Photoacoustic and Photothermal Phenomena II, 493–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-540-46972-8_125.

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Cobranchi, D. P., N. F. Leite, J. Isak, S. J. Komorowski, A. Gerhard, and E. M. Eyring. "Pulsed Laser Photothermal Radiometry and Photothermal Beam Deflection Spectroscopy: Determination of Thermal Diffusivities of Liquids." In Photoacoustic and Photothermal Phenomena II, 328–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-540-46972-8_84.

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Hinkov, V., I. Hinkov, and E. Wagner. "Digital Electro-Optical Laser Beam Deflector with Domain-Inverted Prism-Array." In Laser in Forschung und Technik / Laser in Research and Engineering, 815–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-80263-8_163.

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Friedrich, Bretislav, and Horst Schmidt-Böcking. "Otto Stern’s Molecular Beam Method and Its Impact on Quantum Physics." In Molecular Beams in Physics and Chemistry, 37–88. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63963-1_5.

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AbstractMotivated by his interest in thermodynamics and the emerging quantum mechanics, Otto Stern (1888–1969) launched in 1919 his molecular beam method to examine the fundamental assumptions of theory that transpire in atomic, molecular, optical, and nuclear physics. Stern’s experimental endeavors at Frankfurt (1919–1922), Hamburg (1923–1933), and Pittsburgh (1933–1945) provided insights into the quantum world that were independent of spectroscopy and that concerned well-defined isolated systems, hitherto accessible only to Gedanken experiments. In this chapter we look at how Stern’s molecular beam research came about and review six of his seminal experiments along with their context and reception by the physics community: the Stern-Gerlach experiment; the three-stage Stern-Gerlach experiment; experimental evidence for de Broglie’s matter waves; measurements of the magnetic dipole moment of the proton and the deuteron; experimental demonstration of momentum transfer upon absorption or emission of a photon; the experimental verification of the Maxwell-Boltzmann velocity distribution via deflection of a molecular beam by gravity. Regarded as paragons of thoroughness and ingenuity, these experiments entail accurate transversal momentum measurements with resolution better than 0.1 atomic units. Some of these experiments would be taken up by others where Stern left off only decades later (matter-wave scattering or photon momentum transfer). We conclude by highlighting aspects of Stern’s legacy as reflected by the honors that have been bestowed upon him to date.
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Diaci, J., D. Hurley, J. W. Wagner, and J. Možina. "Simultaneous monitoring of ablative shocks in air by high-speed cineholography and multiple-pass beam deflection probe." In Laser Ablation, 154–58. Elsevier, 1996. http://dx.doi.org/10.1016/b978-0-444-82412-7.50031-6.

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Nellessen, J., K. Sengstock, J. H. Müller, W. Ertmer, H. Wallis, and W. Ertmer. "PREPARATION OF A MONOENERGETIC SODIUM BEAM BY LASER COOLING AND DEFLECTION; AND BROAD BAND LASER COOLING ON NARROW TRANSITIONS." In Laser Spectroscopy, 26–28. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-12-251930-7.50012-1.

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Conference papers on the topic "Laser beam deflection"

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Martinez, Pablo G., J. Bante, and Juan J. Alvarado-Gil. "Temperature measurements by laser beam deflection." In Merida - DL Tentative, edited by R. Rodriguez-Vera and F. Mendoza-Santoyo. SPIE, 2005. http://dx.doi.org/10.1117/12.611902.

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Khachatryan, E., S. Maswadi, D. A. Tsyboulski, E. Barnes, D. Sardar, A. A. Oraevsky, K. Nash, and R. Glickman. "Optoacoustic microscopy using laser beam deflection technique." In SPIE BiOS, edited by Alexander A. Oraevsky and Lihong V. Wang. SPIE, 2014. http://dx.doi.org/10.1117/12.2040718.

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Huber, Peter, and U. Gerlach-Meyer. "Micromachined scanning mirrors for laser beam deflection." In Munich '91 (Lasers '91), edited by Juergen Franz. SPIE, 1991. http://dx.doi.org/10.1117/12.46089.

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Maleshkov, Georgi, Dragomir N. Neshev, and Alexander Dreischuh. "Bright beam deflection by steering beams with mixed phase dislocations." In 15th International School on Quantum Electronics: Laser Physics and Applications, edited by Tanja Dreischuh, Elena Taskova, Ekaterina Borisova, and Alexander Serafetinides. SPIE, 2008. http://dx.doi.org/10.1117/12.822541.

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Koházi-Kis, A., J. Klebniczki, M. Görbe, and P. Nagy. "Study of tunable resonances in laser beam divergence and beam deflection." In SPIE Photonics Europe, edited by Thomas Graf, Jacob I. Mackenzie, Helena Jelínková, and John Powell. SPIE, 2012. http://dx.doi.org/10.1117/12.921989.

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Holzlöhner, Ronald, and Domenico Bonaccini Calia. "High-Power Laser Beam Combination Using Acousto-Optic Deflection." In Advanced Solid-State Photonics. Washington, D.C.: OSA, 2008. http://dx.doi.org/10.1364/assp.2008.we29.

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Villagran-Muniz, Mayo, H. Sobral, C. Sanchez Ake, L. Escobar, and E. Camps. "Plasma ablation characterization by a laser beam deflection technique." In IV Iberoamerican Meeting of Optics and the VII Latin American Meeting of Optics, Lasers and Their Applications, edited by Vera L. Brudny, Silvia A. Ledesma, and Mario C. Marconi. SPIE, 2001. http://dx.doi.org/10.1117/12.437116.

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Mahrle, Achim, and Eckhard Beyer. "Modeling and simulation of the energy deposition in laser beam welding with oscillatory beam deflection." In ICALEO® 2007: 26th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing. Laser Institute of America, 2007. http://dx.doi.org/10.2351/1.5061037.

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Sahba, Kaveh, Kamal E. Alameh, and Clifton L. Smith. "A Novel Beam Deflection Method for Wide Angle Laser Scanning." In 2006 Australian Conference on Optical Fibre technology (ACOFT). IEEE, 2007. http://dx.doi.org/10.1109/acoft.2007.4516246.

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van den Bosch, P. P. J., and A. A. H. Damen. "Air and magnetic bearings for a laser beam deflection unit." In Proceedings of 16th American CONTROL Conference. IEEE, 1997. http://dx.doi.org/10.1109/acc.1997.612005.

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Reports on the topic "Laser beam deflection"

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MECHANICAL BEHAVIOR AND CATENARY ACTION OF RESTRAINED STEEL BEAM UNDER FIRE. The Hong Kong Institute of Steel Construction, September 2021. http://dx.doi.org/10.18057/ijasc.2021.17.3.8.

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Abstract:
To investigate the mechanical behavior and catenary action of restrained steel beam under fire, experiments were performed on five H-section restrained steel beams exposed to ISO-834 standard fire. At first, mechanical property tensile tests were performed on 3 room-temperature specimens and 8 high-temperature specimens, and variation laws of the material properties of steel materials with temperature rising were investigated by the high-temperature steady-state tests. Through the fire experiments, the temperature data, mid-span deflections and failure modes of all specimens were obtained. The experimental results show that: (1) a restrained steel beam is prone to in-plane buckling failure under fire; (2) the loading ratio n and axial restraint stiffness Kx have great influences on the catenary action of restrained steel beam under fire; (3) when the loading ratio n is constant, the greater the axial restraint stiffness Kx, the later the catenary action occurs; when the axial restraint stiffness Kx is constant, the greater the loading ratio n, the earlier the catenary action occurs.
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