Achromatic hologram optical system

Details Achromatic hologram optical system Achromatic hologram optical system

1994-02-04

1995-12-19

Epps, Georgia Y.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 8, 359 15, 359 22, 359 24, G02B 532

Patent

active

054773482

ABSTRACT:
An achromatic hologram optical system for converting a wave front A into a wave front B. Two holograms (H.sub.1 and H.sub.2) are provided. The length of an optical path from an equiphase front of the wave front A to an equiphase front of the wave front B is constant, and each of the two holograms has a curved surface shape.

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