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10 March 2020 Compact, multi-wavelength, passively Q-switched laser by means of volume Bragg gratings (Conference Presentation)
Lam H. Mach, Evan R. Hale, Oussama Mhibik, Ivan Divliansky, Leonid Glebov
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Proceedings Volume 11259, Solid State Lasers XXIX: Technology and Devices; 112590V (2020) https://doi.org/10.1117/12.2546325
Event: SPIE LASE, 2020, San Francisco, California, United States
Abstract
Recent progress in the development of dual-wavelength passively Q-switched lasers has allowed for the generation of high-average-power, narrow-band THz waves based upon the frequency down-conversion in nonlinear crystals. Here we demonstrate a compact, multi-wavelength, passively Q-switched Nd3+:YAG laser utilizing volume Bragg gratings (VBG) for the spectral selectivity and combination of multiple modes oscillating in a single linear cavity. The cavity is capable of supporting more than two lasing modes, each having sub-30-ns pulse duration at 10s of KHz repetition rate. The presence of more than two wavelengths in the output beam further allows for the generation of multiple THz frequencies.
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Lam H. Mach, Evan R. Hale, Oussama Mhibik, Ivan Divliansky, and Leonid Glebov "Compact, multi-wavelength, passively Q-switched laser by means of volume Bragg gratings (Conference Presentation)", Proc. SPIE 11259, Solid State Lasers XXIX: Technology and Devices, 112590V (10 March 2020); https://doi.org/10.1117/12.2546325
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KEYWORDS
Q switched lasers
Volume Bragg gratings
YAG lasers
Gallium arsenide
Multiplexing
Terahertz radiation
Crystals
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