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