Off-axis quadric fractalogram

Alexei V. Konovchuk

doi:10.1117/12.324595

19 August 1998 Off-axis quadric fractalogram

Alexei V. Konovchuk

Proceedings Volume 3573, OPTIKA '98: 5th Congress on Modern Optics; (1998) https://doi.org/10.1117/12.324595
Event: OPTIKA '98: Fifth Congress on Modern Optics, 1998, Budapest, Hungary

Abstract

Original holographic technique for self-imaging of a fractal-containing optical signal is introduced and demonstrated. The technique is based on off-axis far-field quadric hologram, i.e., a hologram whose amplitude transmittance contains the terms of power series expansion on exposure degrees up to the quadratic one. Being read out with the stored memory or its partial version, such a hologram reconstructs the conjugate image at the minus- second diffraction order. The complex-conjugated associative response is shown to be free of brightness disbalance among its different parts exhibiting in such a manner error- correcting properties. Besides, the fractality inherent the stored signal is enhanced at this associative response due to predominant phase conjugation of the edge diffraction wave.

Citation Download Citation

Alexei V. Konovchuk "Off-axis quadric fractalogram", Proc. SPIE 3573, OPTIKA '98: 5th Congress on Modern Optics, (19 August 1998); https://doi.org/10.1117/12.324595

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