Infrared holography on commerical wax at 10.6 μm

Abstract
Holograms have been recorded with far‐infrared radiation (10.6 μm) on ’’Takiwax’’ films. The relief‐phase holograms obtained due to the thermal process involved are reconstructed, in real time, with He‐Ne laser light. Reconstruction from grating holograms in the infrared with 10.6‐μm CO2 laser radiation is also possible: diffraction efficiencies of up to 15% have been measured for two‐beam gratings.

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