The Sims Technique Applied To Background Suppression | Zendy

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

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<title>The Sims Technique Applied To Background Suppression</title>

Author(s) -

George A. Vanasse,

Roy W. Esplin,

Ronald J. Huppi

Publication year - 1978

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.956783

Subject(s) - detector , interferometry , dynamic range , spectrometer , tracking (education) , optics , signal (programming language) , modulation (music) , materials science , physics , optoelectronics , computer science , psychology , pedagogy , acoustics , programming language

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.

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