Incoherent light optical processor

Details Incoherent light optical processor Incoherent light optical processor

1986-03-04

1988-07-05

Levy, Stewart J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

364822, G01R 2316

Patent

active

047557451

ABSTRACT:
An apparatus is described which performs acoustooptical signal processing functions with incoherent light, which procedures were formerly possible only with coherent light devices. Specific embodiments include an optical excisor, i.e., a programmable filter; a multichannel radiometer, i.e., an apparatus which estimates the power spectrum of a signal accompanied by noise; and an ambiguity processor, i.e., a time versus frequency cross correlator.

REFERENCES:
patent: 3988671 (1976-10-01), Pedinoff
patent: 4225938 (1980-09-01), Turpin
patent: 4460250 (1984-07-01), Freyre et al.
patent: 4556950 (1985-12-01), Tai et al.
patent: 4637724 (1987-01-01), Howell et al.
Time Integ. Optical Signal Processing, P. Kellman, Optical Engineering, vol. 19, No. 3, May/Jun. 1980.
Programmable Acousto-Optic Filter, M. Gottlieb et al., SPIE, vol. 232, 1980, Internat. Optical Comp. Conf.
Integrated-Optic Spectrum Analyzer, M. K. Barnoski, IEEE Transac. on Circuits & Systems, vol. CAS-26, No. 12, Dec. '79.

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