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4 May 2010 Compact laser diode drivers for military rangefinder applications
D. Giorgi; J. Philippbar
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Proceedings Volume 7686, Laser Technology for Defense and Security VI; 76861A (2010) https://doi.org/10.1117/12.853000
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States
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.
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D. Giorgi and J. Philippbar "Compact laser diode drivers for military rangefinder applications", Proc. SPIE 7686, Laser Technology for Defense and Security VI, 76861A (4 May 2010); https://doi.org/10.1117/12.853000
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