Computer Aided Laser Ranging And Detection System

M. K. Rao; C. C. Goh

doi:10.1117/12.940590

24 September 1987 Computer Aided Laser Ranging And Detection System

M. K. Rao, C. C. Goh

Proceedings Volume 0783, Laser Radar II; (1987) https://doi.org/10.1117/12.940590
Event: 1987 Technical Symposium Southeast on Optics, Electro-Optics, and Sensors, 1987, Orlando, FL, United States

Abstract

This paper describes the development and fabrication of a low cost ranging and detection system. The system employs a pulsed GaAlAs semiconductor laser diode transmitter operating at 820 nm wavelength, where the atmospheric attenuation is reasonably low. A high sensitivity PIN diode receiver captures the reflected laser beam from the target and provides digital output directly. An ECL counter triggered by a high frequency crystal oscillator measures the time of flight of laser pulse and consequently range is calculated. An IBM (AT) compatible personal computer performs the necessary computations and displays the range, velocity and position of the target. The use of personal computer provides hardware and software flexibility to the user and minor system modifications to suit any particular application can be achieved at low cost.

Citation Download Citation

M. K. Rao and C. C. Goh "Computer Aided Laser Ranging And Detection System", Proc. SPIE 0783, Laser Radar II, (24 September 1987); https://doi.org/10.1117/12.940590

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