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Proceedings Paper

Resonantly diode-pumped eyesafe Er:YAG lasers
Author(s): Scott D. Setzler; James R. Konves; Evan P. Chicklis
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Paper Abstract

We have demonstrated efficient operation of the eyesafe laser transition (4I13/2 -> 4I15/2) in Er:YAG by resonantly pumping with 1470nm diodes. Quasi-cw powers in excess of 30W have been achieved at 10% duty cycle with 47% slope efficiency, 26% conversion efficiency, and beam quality of M2=1.4 x 2.2. In energy storage mode, we have generated near-diffraction-limited 41mJ / 58ns pulses, more than 700kW of peak power, at 10Hz. Storage lifetimes in the range of 5 to 7msec have been measured, and pulses as short as 25ns have been obtained at reduced energy. We believe this to be the first-ever demonstration of a resonantly diode pumped (bulk) erbium laser.

Paper Details

Date Published: 27 April 2005
PDF: 11 pages
Proc. SPIE 5707, Solid State Lasers XIV: Technology and Devices, (27 April 2005); doi: 10.1117/12.584372
Show Author Affiliations
Scott D. Setzler, BAE Systems North America (United States)
James R. Konves, BAE Systems North America (United States)
Evan P. Chicklis, BAE Systems North America (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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