Real-time Fourier hologram recording in photopolymers with phase response

Pavel V. Ezhov; Tatiana N. Smirnova; Eugene A. Tikhonov

doi:10.1117/12.388438

14 June 2000 Real-time Fourier hologram recording in photopolymers with phase response

Pavel V. Ezhov, Tatiana N. Smirnova, Eugene A. Tikhonov

Proceedings Volume 4148, Optoelectronic and Hybrid Optical/Digital Systems for Image and Signal Processing; (2000) https://doi.org/10.1117/12.388438
Event: International Workshop on Optoelectronic and Hybrid Optical/Digital Systems for Image/Signal Processing, 1999, Lviv, Ukraine

Abstract

The results of researches of pulse fourier holograms recording on the self-developing photopolymer PPC-488 with a photosensitivity in a range (lambda) equals 400 - 500 nm are presented. It is shown, that due to non-stationary energy transfer between recording and scattering beams and, accordingly, the noise holograms amplification essential decreasing of the signal to noise ratio (SNR) has place at relatively high efficiency of Fourier holograms (more than 50%). It has been found, that recording of the noise holograms can be appreciably suppressed by increasing of intensity of reference beam concerning to intensity of object beam. On this way it was possible to improve the SNR for the Fourier holograms of binary phase masks: at a reference to object beams ratio R equals 26 the phase Fourier holograms with efficiency 15% and SNR 20 dB has been recorded.

Citation Download Citation

Pavel V. Ezhov, Tatiana N. Smirnova, and Eugene A. Tikhonov "Real-time Fourier hologram recording in photopolymers with phase response", Proc. SPIE 4148, Optoelectronic and Hybrid Optical/Digital Systems for Image and Signal Processing, (14 June 2000); https://doi.org/10.1117/12.388438

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