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Proceedings Paper

Eyesafe erbium glass microlaser
Author(s): Scott J. Hamlin; Alan D. Hays; C. Ward Trussell; Vernon King
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Paper Abstract

A miniature diode pumped Er,Yb:glass laser has been developed at the Night Vision and Electronic Sensors Directorate, U. S. Army CECOM (NVESD) for soldier applications. This device uses a single laser diode at 925 nm to end pump a 200µm x 3 mm volume of Er,Yb:glass gain media. A Co2+:MgAl2O4 passive Q-switch is used to produce 2 nanosecond pulses at a repetition rate from single shot to 20 Hertz. A nominal pulse energy of 100 microjoules is emitted, corresponds to a peak power of 50 kilowatts, which is sufficient for ranging to over 2 kilometer. The Eyesafe Microlaser was designed and demonstrated to operate over a wide temperature range without temperature control of the pump laser, a feature important for soldier applications. An desirable feature of Er,Yb:glass lasers is that they emit directly at 1.54 microns, which is important for eye safe operation and low cost fabrication.

Paper Details

Date Published: 8 July 2004
PDF: 6 pages
Proc. SPIE 5332, Solid State Lasers XIII: Technology and Devices, (8 July 2004); doi: 10.1117/12.537914
Show Author Affiliations
Scott J. Hamlin, MegaWatt Lasers, Inc. (United States)
Alan D. Hays, U.S. Army Night Vision & Electronics Directorate (United States)
C. Ward Trussell, U.S. Army Night Vision & Electronics Directorate (United States)
Vernon King, U.S. Army Night Vision & Electronics Directorate (United States)


Published in SPIE Proceedings Vol. 5332:
Solid State Lasers XIII: Technology and Devices
Richard Scheps; Hanna J. Hoffman, Editor(s)

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