A Tunable, Variable Bandwidth, Acousto-Optic Filter (TVBAOF)

Joseph H. Labrum

doi:10.1117/12.945199

21 January 1985 A Tunable, Variable Bandwidth, Acousto-Optic Filter (TVBAOF)

Joseph H. Labrum

Proceedings Volume 0519, Analog Optical Processing and Computing; (1985) https://doi.org/10.1117/12.945199
Event: 1984 Cambridge Symposium, 1984, Cambridge, United States

Abstract

An acousto-optic filter was developed utilizing two Bragg-Cells, an integrating photo-detector array and a high frequency, non-integrating Avalanche Photo-Detector (APD). The basic architecture is that of a Mach-Zehnder interferometer. This device simultaneously provides two output signals, 1) The power energy spectrum of all signals S(t) within the one octave bandpass of the device, and 2) a down converted IF signal containing the real phase and amplitude information of any desired individual signal, S1(t), or S2(t), or S3(t), etc, etc, within S(t).

Citation Download Citation

Joseph H. Labrum "A Tunable, Variable Bandwidth, Acousto-Optic Filter (TVBAOF)", Proc. SPIE 0519, Analog Optical Processing and Computing, (21 January 1985); https://doi.org/10.1117/12.945199

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