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Proceedings Paper

1W frequency-doubled VCSEL-pumped blue laser with high pulse energy
Author(s): Robert Van Leeuwen; Tong Chen; Laurence Watkins; Guoyang Xu; Jean-Francois Seurin; Qing Wang; Delai Zhou; Chuni Ghosh
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Paper Abstract

We report on a Q-switched VCSEL side-pumped 946 nm Nd:YAG laser that produces high average power blue light with high pulse energy after frequency doubling in BBO. The gain medium was water cooled and symmetrically pumped by three 1 kW 808 nm VCSEL pump modules. More than 1 W blue output was achieved at 210 Hz with 4.9 mJ pulse energy and at 340 Hz with 3.2 mJ pulse energy, with 42% and 36% second harmonic conversion efficiency respectively. Higher pulse energy was obtained at lower repetition frequencies, up to 9.3 mJ at 70 Hz with 52% conversion efficiency.

Paper Details

Date Published: 20 February 2015
PDF: 7 pages
Proc. SPIE 9342, Solid State Lasers XXIV: Technology and Devices, 93420N (20 February 2015); doi: 10.1117/12.2077197
Show Author Affiliations
Robert Van Leeuwen, Princeton Optronics, Inc. (United States)
Tong Chen, Princeton Optronics, Inc. (United States)
Laurence Watkins, Princeton Optronics, Inc. (United States)
Guoyang Xu, Princeton Optronics, Inc. (United States)
Jean-Francois Seurin, Princeton Optronics, Inc. (United States)
Qing Wang, Princeton Optronics, Inc. (United States)
Delai Zhou, Princeton Optronics, Inc. (United States)
Chuni Ghosh, Princeton Optronics, Inc. (United States)


Published in SPIE Proceedings Vol. 9342:
Solid State Lasers XXIV: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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