Optical A/D conversion based on acousto-optic theta modulation

Yao Li; Yan Zhang

doi:10.1117/12.44922

1 September 1991 Optical A/D conversion based on acousto-optic theta modulation

Yao Li, Yan Zhang

Proceedings Volume 1474, Optical Technology for Signal Processing Systems; (1991) https://doi.org/10.1117/12.44922
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

As an extension of an existing electron beam deflector, an optical analog-to-digital (A/D) conversion scheme is presented. As a fast theta modulator, a wide-band acousto-optic (A-O) deflector that performs a voltage to optical beam deflection angle mapping is used. Using a GaP A-O deflector, a proof-of-principle 6-bit A/D converter is experimentally demonstrated.

Citation Download Citation

Yao Li and Yan Zhang "Optical A/D conversion based on acousto-optic theta modulation", Proc. SPIE 1474, Optical Technology for Signal Processing Systems, (1 September 1991); https://doi.org/10.1117/12.44922

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