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Proceedings Paper

Short pulse and high repetition rate Q-switched Yb:YAG microchip laser
Author(s): Eric P. Ostby; Joseph M. Fukumoto; Robert D. Stultz; Steven Matthews; David Filgas
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Paper Abstract

In this paper, we report a diode-pumped passively Q-switched Yb:YAG laser that is an excellent candidate for a ladar master oscillator. This microchip laser has 1 ns pulse duration, 68 μJ pulse energy, 700 mW average power, 10 kHz repetition rate, and 29% optical slope efficiency. Additionally, the microchip oscillates in the fundamental TEM00 mode. The peak power was measured as high as 66 kW. We compare the pulse shape and duration, and the beam quality to simulation. We study the effects of Q-switch absorption, output coupler reflectivity, cavity length, and pump power on the laser's pulse duration, pulse energy, average power, and repetition rate.

Paper Details

Date Published: 27 April 2005
PDF: 9 pages
Proc. SPIE 5707, Solid State Lasers XIV: Technology and Devices, (27 April 2005); doi: 10.1117/12.609873
Show Author Affiliations
Eric P. Ostby, Raytheon Space and Airborne Systems (United States)
Joseph M. Fukumoto, Raytheon Space and Airborne Systems (United States)
Robert D. Stultz, Raytheon Space and Airborne Systems (United States)
Steven Matthews, Raytheon Space and Airborne Systems (United States)
David Filgas, Raytheon Space and Airborne Systems (United States)


Published in SPIE Proceedings Vol. 5707:
Solid State Lasers XIV: Technology and Devices
Hanna J. Hoffman; Ramesh K. Shori, Editor(s)

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