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Proceedings Paper

1.34 µm Nd:YVO4 laser passively Q-switched by V:YAG and optimized for lidar
Author(s): Thomas J. Kane
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Paper Abstract

Nd:YVO4 has a high gain transition at 1.34 μm. It can be q-switched by the saturable absorber Vanadium:YAG, which has quick recovery, enabling repetition rates above 1 MHz. I demonstrated a 1.34 μm laser for LIDAR with 1.08 nsec pulse duration, 24 kHz repetition rate and 1.75 kW peak power, and in another configuration, 4.8 nsec pulse duration, 1.82 MHz repetition rate and 68 W peak power. Several intermediate cases are described as well. These lasers have part-for-part correspondence with green pointer lasers sold for under $5 which are the size of a penlight. The eye-safe class 1 power at 1.34 μm is 1.9 times that allowable in the 1.4-1.6 μm range.

Paper Details

Date Published: 21 February 2020
PDF: 15 pages
Proc. SPIE 11259, Solid State Lasers XXIX: Technology and Devices, 1125902 (21 February 2020); doi: 10.1117/12.2545049
Show Author Affiliations
Thomas J. Kane, Kane OE (United States)

Published in SPIE Proceedings Vol. 11259:
Solid State Lasers XXIX: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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