Optical Ranging System Employing a High Power Injection Laser Diode |
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Authors: | Koechner Walter |
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Affiliation: | U. S. Army Electronics Command, Fort Monmouth, N. J.; |
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Abstract: | For many military applications small, lightweight range finders are required that operate at a high pulse repetition rate. It will be shown that a ranging system with an injection laser in the transmitter can fulfill these requirements. The performance of an optical ranging system employing a pulsed gallium arsenide laser diode transmitter, with peak powers up to 100 watts at room temperature is described. After a brief review of fundamental system parameters, calculations of the range capability of the system are given, based upon the Poisson distribution of photoelectron statistics. A discussion is presented on the experimental support of theoretical analysis. |
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