Compact optical delay line rf filter using a surface-emitting laser diode array

Christopher W. Keefer

doi:10.1117/12.177418

10 June 1994 Compact optical delay line rf filter using a surface-emitting laser diode array

Christopher W. Keefer

Proceedings Volume 2155, Optoelectronic Signal Processing for Phased-Array Antennas IV; (1994) https://doi.org/10.1117/12.177418
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

An optical delay line rf filter using a 16-element laser diode array to tap an acousto-optic cell is demonstrated. The optical architecture uses heterodyne detection of multiple laser taps to sum delayed versions of an input RF signal. Experimental results are presented that verify performance as a variable delay line or RF filter. Application for the delay line filter includes analog signal processing in the RF or IF portion of a radar receiver.

Citation Download Citation

Christopher W. Keefer "Compact optical delay line rf filter using a surface-emitting laser diode array", Proc. SPIE 2155, Optoelectronic Signal Processing for Phased-Array Antennas IV, (10 June 1994); https://doi.org/10.1117/12.177418

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