Apparatus for copying holographic diffraction gratings

Details Apparatus for copying holographic diffraction gratings Apparatus for copying holographic diffraction gratings

1986-07-14

1987-12-29

Arnold, Bruce Y.

G03H 120

Patent

active

047156708

ABSTRACT:
An apparatus for copying holographic diffraction gratings comprises a coherent radiation source and, arranged successively one after another downstream the coherent radiation, a collimating system, a mirror, a master holographic grating, and a copy holographic grating. The master and copy gratings are rigidly secured to each other and face each other by their recording layers. The mirror is adapted for reciprocal travel along the length of the master holographic grating so that coherent radiation reflected by the mirror falls on said master grating.

REFERENCES:
patent: 4416540 (1983-11-01), Nicholson
D. B. Brumm, "Double Images in Copy Holograms," Applied Optics, vol. 6, No. 3, 1967, pp. 588-589.

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