Holographic method for producing desired wavefront transformatio

Details Holographic method for producing desired wavefront transformatio Holographic method for producing desired wavefront transformatio

1980-10-16

1985-10-15

Corbin, John K.

350 369, G03H 126, G03H 120

Patent

active

045470375

ABSTRACT:
The method utilizes a multi-faceted holographic optical element, the various individual diffraction gratings of each facet collectively functioning to effect a desired wavefront transformation. In this way, a laser beam can be transformed into a specific pattern, permitting unusually shaped objects to be efficiently illuminated with laser light.

REFERENCES:
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patent: 3545834 (1970-12-01), Gerritsen et al.
patent: 3591252 (1971-07-01), Lu
patent: 3628847 (1971-12-01), Bostwick
patent: 3671106 (1972-06-01), Groh
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patent: 3947085 (1976-03-01), Mottier
patent: 4084880 (1978-04-01), Clow
patent: 4118124 (1978-10-01), Matsuda
patent: 4138190 (1979-02-01), Bryngdahl
patent: 4307929 (1981-12-01), Eveleth
Applied Optics "Volume Holograms Constructed with Computer-Generated Masks", S. K. Case and W. J. Dallas, Aug. 15, 1978, vol. 17, No. 16, pp. 2537-2540.

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