Scanning acousto-optic spectrum analyzers

Laszlo Jakab; Peter I. Richter

doi:10.1117/12.21288

1 September 1990 Scanning acousto-optic spectrum analyzers

Laszlo Jakab, Peter I. Richter

Proceedings Volume 1296, Advances in Optical Information Processing IV; (1990) https://doi.org/10.1117/12.21288
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

Two acoustooptic spectrum analyzers are described. In both system the detector array is replaced by an acoustooptic Bragg cell driven by a short RE pulse and a single fast photodetector. With the power spectrum analyzer system a time-bandwidth product (TBWP) of > boo, a speed of <5o ,us, and a dynamic range > 4o dB can be achieved. Mixing the diffracted beam with a local oscillator an interferometric system is realized where an increased dynamic range of 7o dB can be achieved with the same speed and TBWP.

Citation Download Citation

Laszlo Jakab and Peter I. Richter "Scanning acousto-optic spectrum analyzers", Proc. SPIE 1296, Advances in Optical Information Processing IV, (1 September 1990); https://doi.org/10.1117/12.21288

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