Results 31 to 40 of about 14,234 (351)

Underwater power compensated white light source based on synthetic white laser

Heliyon, 2023
The semiconductor white laser light source is used as a light source for underwater illumination. The required standard color temperature of white light is obtained at the underwater target surface.
Wei-Yu Cai, Zi-Qi Jiang, Xiao-Mei Liu, Hua Liu, Xiao-Juan Ma, Rong-Nian Tang, Xiang Li   +6 more
doaj   +1 more source

Quantum modeling of semiconductor gain materials and vertical-external-cavity surface-emitting laser systems [PDF]

, 2010
This article gives an,overview of the microscopic theory,theory used to quantitatively model a wide range of semiconductor laser gain materials. As a snapshot of the current state of research, applications to a variety of actual quantum-well systems are ...
Rubel, Oleg, Hader, Joerg, Wei Zhang, Stephan W. Koch, Zhang, Wei, Kuehn, Eckhard, Eckhard Kühn, Koch, Stephan W., Thorsten Ackemann, Jerome V. Moloney, Christoph Schlichenmaier, Moloney, Jerome V., Oleg Rubel, Ackemann, Thorsten, Christina Bückers, Imhof, Sebastian, Angela Thränhardt, Schlichenmaier, Christoph, Sebastian Imhof, Thraenhardt, Angela, Jörg Hader, Bueckers, Christina   +21 more
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Pulse Width Control Based on Blumlein Pulse Forming Line and SI-GaAs PCSS

Photonics, 2023
In this paper, the output electrical pulse width of semi-insulating gallium arsenide photoconductive semiconductor switch (SI-GaAs PCSS) is controlled by means of Blumlein pulse formation line.
Meilin Wu, Wei Shi, Cheng Ma, Zhiyuan Chen, Hui Liu   +4 more
doaj   +1 more source

Analytical solutions of photo-thermo-elastic waves in a non-homogenous semiconducting material

Results in Physics, 2018
In the present paper, the wave propagation on non-homogenous semiconductor through photo-thermal process has been studied by using the theory of coupled plasma and thermoelastic wave.
Aatef Hobiny, Ibrahim A. Abbas
doaj   +1 more source

Optical trapping with superfocused high-M2 laser diode beam [PDF]

, 2015
Many applications of high-power laser diodes demand tight focusing. This is often not possible due to the multimode nature of semiconductor laser radiation possessing beam propagation parameter M2 values in double-digits.
Kuchinskii, V. I., S. N. Loseva, Deryagin, A. G., M. Farsarib, Soboleva, K.K., V. V. Dudelev, W. Sibbett, Rafailov, E. U., Dudelev, V. V., Melissinaki, V., Deryagin, A.G., V. V. Dudeleva, Sobolev, K. K., K. K. Soboleva, V. Melissinaki, Kuchinskii, V.I., A. G. Deryagin, V. I. Kuchinskiia, Rafailov, E.U., G. S. Sokolovskii, Losev, S.N., A. G. Deryagina, V. I. Kuchinskii, M. Farsari, K. K. Sobolevac, Sokolovskii, G.S., V. Melissinakib, W. Sibbette, G. S. Sokolovskiia, Sokolovskii, G. S., Dudelev, V.V., E. U. Rafailov, Farsari, M., Losev, S. N., Sibbett, W., E. U. Rafailovf, S. N. Losev   +36 more
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Response of electromagnetic and Thomson effect of semiconductor medium due to laser pulses and thermal memories during photothermal excitation

Results in Physics, 2020
In this article, the novel mathematical model under the effect of Thomson heating of a semi-infinite semiconductor elastic medium is expressed. The thermoelasticity theory is applied in the presence of magnetic field when the medium illuminated by a ...
Kh. Lotfy, W. Hassan, A.A. El-Bary, Mona A. Kadry   +3 more
doaj   +1 more source

Numerical simulation and design of semiconductor quantum dot-based lasers and amplifiers [PDF]

, 2013
Numerical simulation and design of semiconductor quantum dot-based lasers and ...
Xu, Tianhong
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The two-temperature effect on a semiconducting thermoelastic solid cylinder based on the modified Moore – Gibson – Thompson heat transfer

St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2023
This study introduces a new modified Moore – Gibson – Thompson Photo-Thermal (MGTPT) theory with two temperatures for semiconductor material. The photo-thermoelastic effects has been investigated in an infinitely constrained semiconducting solid cylinder
Kaur Iqbal, Singh Kulvinder
doaj   +1 more source

Au Nanoparticles (NPs) Decorated Co Doped ZnO Semiconductor (Co₄₀₀-ZnO/Au) Nanocomposites for Novel SERS Substrates

Biosensors, 2022
Au nanoparticles were decorated on the surface of Co-doped ZnO with a certain ratio of Co2+/Co3+ to obtain a novel semiconductor-metal composite. The optimal substrate, designated as Co400-ZnO/Au, is beneficial to the promotion of separation efficiency ...
Yan Zhai, Xiaoyu Zhao, Zhiyuan Ma, Xiaoyu Guo, Ying Wen, Haifeng Yang   +5 more
doaj   +1 more source

Design, Fabrication, and Characterization of Semiconductor Transverse Bragg Resonance Lasers [PDF]

, 2007
Controlling the spatial modes of a laser cavity is fundamental for improving the beam quality of a laser and achieving highly efficient coupling of power into an optical system.
Choi, John Myun
core   +1 more source