Abstract
Oil films of approximately 1-μm thickness on glass plates are used as a holographic recording medium at a 10.6-μm wavelength. This dynamic recording medium (on which the recording is not permanent) shows diffraction efficiencies up to 20% when reconstructing at 632.8 nm, the spatial frequency at the recording being as high as ~50 cycles/mm. Furthermore, the response time of these oil films when recording ir can be as small as 2 msec so that ir holography of moving objects is possible in real time.
© 1978 Optical Society of America
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