Boots – shoes – and leggings
Patent
1989-03-27
1991-04-16
Jablon, Clark A.
Boots, shoes, and leggings
350358, 356349, G06G 700, G02F 111, G01B 902
Patent
active
050088513
ABSTRACT:
A system and method is presented for obtaining optical phase and amplitude measurements utilizing an acousto-optical modulator for modulating a laser light beam with a multifrequency electrical signal to form an image that is Fourier transformed and spatially distributed proportional to the frequency components of the electrical signal. An optical component such as a spatial light modulator is located in the Fourier plane and the modulated image is inversely transformed and optically heterodyned to produce a transformed image. The transformed image impinges a photodetector that produces an electrical output signal that is inputted to a network analyzer to measure phase and amplitude of the transformed image. The electrical output signal is compared with a reference signal and deviations from the reference signal provide a quantitative measurement of the phase and amplitude response of the spatial light modulator.
REFERENCES:
patent: 3544795 (1970-12-01), Korpel
patent: 3944948 (1976-03-01), Redman et al.
patent: 3962657 (1976-06-01), Redman et al.
patent: 3988671 (1976-10-01), Pedinoff
patent: 4012120 (1977-03-01), Kasiwada et al.
patent: 4097110 (1978-06-01), Carey
patent: 4210400 (1980-07-01), Misek
patent: 4295741 (1981-10-01), Palma et al.
patent: 4365310 (1982-12-01), Green
patent: 4448494 (1984-05-01), Freyre
patent: 4460250 (1984-07-01), Freyre et al.
patent: 4522466 (1985-06-01), Lindig et al.
patent: 4644267 (1987-02-01), Tsvi et al.
patent: 4645300 (1987-02-01), Brandstetter et al.
patent: 4696061 (1987-09-01), Labrum
patent: 4699466 (1987-10-01), Brandstetter et al.
patent: 4771397 (1988-09-01), Brandstetter et al.
patent: 4771398 (1988-09-01), Brandstetter et al.
Brandstetter Robert W.
Caputi Stephen J.
Fonneland Nils J.
Pernick Benjamin J.
Grumman Aerospace Corporation
Jablon Clark A.
Trammell Jim
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