Eyesafe erbium glass microlaser

Scott J. Hamlin; Alan D. Hays; C. Ward Trussell; Vernon King

doi:10.1117/12.537914

8 July 2004 Eyesafe erbium glass microlaser

Scott J. Hamlin, Alan D. Hays, C. Ward Trussell, Vernon King

Proceedings Volume 5332, Solid State Lasers XIII: Technology and Devices; (2004) https://doi.org/10.1117/12.537914
Event: Lasers and Applications in Science and Engineering, 2004, San Jose, Ca, United States

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.

Citation Download Citation

Scott J. Hamlin, Alan D. Hays, C. Ward Trussell, and Vernon King "Eyesafe erbium glass microlaser", Proc. SPIE 5332, Solid State Lasers XIII: Technology and Devices, (8 July 2004); https://doi.org/10.1117/12.537914

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