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19 November 2012 Development of a simultaneous dual-wavelength Q-switched Nd:YAG laser at 1064 and 1319 nm
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Abstract
A dual-wavelength Q-switched Nd:YAG laser operating at 1064 and 1319 nm is useful as a light source for simultaneous lidar observations of a canopy height and a normalized difference vegetation index. In this study, simultaneous dualwavelength lasing was achieved in a Q-switched Nd:YAG laser by optimizing the resonator designs for both wavelengths and by adjusting a time interval between two Q-switch trigger pulses. Q-switched pulse energies of 6.9 and 6.2 mJ were obtained at 1064 and 1319 nm, respectively. A pulse-to-pulse amplitude fluctuation at each wavelength was then measured to be less than ±9%.
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Atsushi Sato, Takumi Abe, Shimpei Okubo, Kazuhiro Asai, Nobuo Sugimoto, Shoken Ishii, and Kohei Mizutani "Development of a simultaneous dual-wavelength Q-switched Nd:YAG laser at 1064 and 1319 nm", Proc. SPIE 8526, Lidar Remote Sensing for Environmental Monitoring XIII, 852606 (19 November 2012); https://doi.org/10.1117/12.977317
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