Results 41 to 50 of about 4,177,848 (171)
Dynamic Correction of the Influence of Long Measuring Path Irregularity in Antenna Tests
Applied Sciences, 2021 This article investigates the influence of random microwave discontinuities on the characteristics of long transmission paths. This is most important for dynamic measuring stands, accompanied by multiple space movement of long transmission paths with ...
Elena Dobychina, Mikhail Snastin
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Throughput scaling by spatial beam shaping and dynamic focusing
SPIE Proceedings, 2017 With availability of high power ultra short pulsed lasers, one prerequisite towards throughput scaling demanded for industrial ultrafast laser processing was recently achieved. We will present different scaling approaches for ultrafast machining, including raster and vector based concepts.
Kumkar, Malte +7 more
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Dynamic laser beam shaping for material processing using hybrid holograms [PDF]
, 2018 A high quality, dynamic laser beam shaping method is demonstrated by displaying a series of hybrid holograms onto a spatial light modulator (SLM), while each one of the holograms consists of a binary grating and a geometric mask.
Zhongsheng Zhai +15 more
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The modern method of creating dynamically scaled models to study aircraft flutter characteristics
Учёные записки Казанского университета: Серия Физико-математические науки, 2020 A complex research, which included the design, manufacture, and testing of a dynamically scaled model of the all-moving tail (AMT) of an aircraft with the numerical calculations at each stage, was carried out. The dynamically scaled model was designed to
A.V. Dolgopolov +4 more
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Preliminary Results on Beam Dynamics of Laser Pulse Shaping Effects in SPARC [PDF]
Proceedings of the 2005 Particle Accelerator Conference, 2006 Electron beams with different initial pulse characteristics have been transported along the SPARC photoinjector. The differences we considered come from the possible profiles of the laser pulse driving the radiofrequency (rf) electron gun. Realistic deviations from the ideal flat-top pulse give for example a ramp or multi-peaks shape with a relative ...
M. BOSCOLO +5 more
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Beam-Shaping PEC Mirror Phase Corrector Design
, 2020 The Perfect Electric Conductor (PEC) mirror phase corrector plays an important role in the beam-shaping mirror system design for Quasi-Optical (QO) mode converter (launcher) in the sub-THz high-power gyrotron.
Shaolin Liao (6369584)
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Model-based analysis of highly dynamic laser beam shaping using deformable mirrors
, 2022 S.602-606Deformable mirrors show large potential for the dynamic beam shaping in high power laser applications. A model which is based on influence functions is used to systematically investigate the beam shaping capabilities of several deformable ...
Pütsch, O. +3 more
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Propagation Characteristics of a Twisted Cosine-Gaussian Correlated Radially Polarized Beam
Applied Sciences, 2018 Recently, partially coherent beams with twist phases have attracted growing interest due to their nontrivial dynamic characteristics. In this work, the propagation characteristics of a twisted cosine-Gaussian correlated radially polarized beam such as ...
Jipeng Zhang +6 more
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, 2014 Negative radiation forces act opposite to the direction of propagation, or net momentum, of a beam but have previously been challenging to definitively demonstrate.
Démoré, Christine E.M. +10 more
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Studies of novel beam shapes and applications to optical manipulation [PDF]
, 2011 Electronic redacted version excludes material for which permission has not been granted by the rights holderIn this thesis an investigation into novel beams and optical manipulation is presented.
Morris, Jill E.
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