Grazing incidence holograms and system and method for producing

Details Grazing incidence holograms and system and method for producing Grazing incidence holograms and system and method for producing

1995-10-23

1998-01-20

Dzierzynski, Paul M.

Optical: systems and elements

Holographic system or element

359 32, 359 34, 359900, G03H 100

Patent

active

057106452

ABSTRACT:
A method and system for recording and displaying grazing-incidence (i.e., steep reference beam angle) holograms supported on a substrate having thin edge-illuminatable geometry. The system and process of the present invention uses thin edge-illuminated substrates that facilitate optimal coupling of the reference light beam at steep angles approaching grazing incidence. Different recording techniques are employed when the index of refraction of the substrate is greater than that of the recording medium, than when the index of refraction of the substrate is less than that of the recording medium.

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