On transformation of information structure of reading field by a thin superimposed hologram-phase-conjugating mirror system

Alexander S. Rubanov; Lyudmila M. Serebryakova

doi:10.1117/12.518132

3 September 2003 On transformation of information structure of reading field by a thin superimposed hologram-phase-conjugating mirror system

Alexander S. Rubanov, Lyudmila M. Serebryakova

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Proceedings Volume 5135, Optical Information, Data Processing and Storage, and Laser Communication Technologies; (2003) https://doi.org/10.1117/12.518132
Event: International Conference on Lasers, Applications, and Technologies 2002, 2002, Moscow, Russian Federation

Abstract

It is theoretically shown on the example of a lensless Fourier hologram, that additional channels of associative data reconstruction are possible in the system, composed of a thin linear superimposed off-axis hologram and a phase-conjugating mirror. Due to the "phase-retaining" nature of a phase-conjugating mirror, partial transformation of noise field components (which are nonlinear on amplitudes of fields and can't be interpreted as an image or a correlation peak) into information field components takes place in such a system. Taking it into account and assuming certain opportunities of phase-conjugating reflection control make it possible to consider the system as a quadratic hologram with modifiable response. Possibilities of data processing by all the channels are considered.

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Alexander S. Rubanov and Lyudmila M. Serebryakova "On transformation of information structure of reading field by a thin superimposed hologram-phase-conjugating mirror system", Proc. SPIE 5135, Optical Information, Data Processing and Storage, and Laser Communication Technologies, (3 September 2003); https://doi.org/10.1117/12.518132

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