The Sims Technique Applied To Background Suppression

George A. Vanasse; Roy W. Esplin; Ronald J. Huppi

doi:10.1117/12.956783

12 December 1978 The Sims Technique Applied To Background Suppression

George A. Vanasse, Roy W. Esplin, Ronald J. Huppi

Proceedings Volume 0156, Modern Utilization of Infrared Technology IV; (1978) https://doi.org/10.1117/12.956783
Event: 22nd Annual Technical Symposium, 1978, San Diego, United States

Abstract

A method of using the SIMS (the selective modulation interferometric spectrometer) to measure the difference between the spectral content of two optical beams is given. The differencing is done optically; that is, the modulated detector signal is directly proportional to the difference between the two spectra being compared. This optical differencing minimizes the dynamic-range requirements of the electronics and requires only a simple modification of the basic cyclic SIMS spectrometer. This technique can be used to suppress background radiation for the enhancement of target detection and tracking. Laboratory measurements demonstrating the application of this technique are reported.

Citation Download Citation

George A. Vanasse, Roy W. Esplin, and Ronald J. Huppi "The Sims Technique Applied To Background Suppression", Proc. SPIE 0156, Modern Utilization of Infrared Technology IV, (12 December 1978); https://doi.org/10.1117/12.956783

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