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Proceedings Paper

Compact laser diode drivers for military rangefinder applications
Author(s): D. Giorgi; J. Philippbar
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Paper Abstract

Compact and high current laser diode drivers for pumping solid-state lasers have been developed and tested. Designed to operate from a single DL123 battery or equivalent, the OptiSwitch PLDD-150-1-1 delivers 150 A of peak current for 300 μs to a laser diode bar at a 1 Hz repetition rate. Measuring only 2.1 × 0.75 × 0.78 inches and weighing 15.2 g, the unit is suited for man-portable target designation, rangefinding, illumination, and remote sensing applications. This paper will discuss the design philosophy behind this class of drivers which offer peak currents up to 200 A plus lifetime testing of eight drivers all operating at elevated input voltage and temperature at 4.5 Hz for 10M shots without a single failure or degradation in performance. Lastly, temperature testing down to -40 degC will be discussed.

Paper Details

Date Published: 4 May 2010
PDF: 7 pages
Proc. SPIE 7686, Laser Technology for Defense and Security VI, 76861A (4 May 2010); doi: 10.1117/12.853000
Show Author Affiliations
D. Giorgi, OptiSwitch Technology Corp. (United States)
J. Philippbar, OptiSwitch Technology Corp. (United States)


Published in SPIE Proceedings Vol. 7686:
Laser Technology for Defense and Security VI
Mark Dubinskii; Stephen G. Post, Editor(s)

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