We proposed and experimentally studied a technique of vibration object monitoring. The
technique is based on self-diffraction of the speckle pattern on the adaptive correlation filter …

A two-beam coupled photorefractive novelty filter is presented for real-time measurement of
displacement components. In the optical configuration, the BaTiO 3 crystal is oriented such …

The experimental study of the in-plain vibration of the speckle pattern in photorefractive GaP
and BTO crystals using the polarization self-modulation effect are presented. The simple …

We demonstrate a technique for the differentiation of time varying optical images that
exploits the spatial frequency dependent response time of grating formation in …

A method for the simultaneous processing of speckle fields generated by several single-fiber
multimode interferometers is developed. The method uses a multichannel correlation filter …

The possibilities of stabilization of the interference pattern by filtration of a random-phase
noise caused by vibrations, turbulence, and other local changes in the wave front in …

Adaptive Correlation Filter Based on Dynamic Reflection Hologram Formed in Photorefractive
Bi12TiO20 Crystal Page 1 Adaptive Correlation Filter Based on Dynamic Reflection Hologram …

A type of adaptive correlation filter for processing the speckle pattern emerging from an
interference fiber-optic sensor is proposed. This filter is simple and self-adjustable, operating …

A new architecture for photorefractive adaptive filtering is introduced. This architecture is
based on the principle of time-integrating correlator with a photorefractive material as the …

We report the use of the photo-electromotive-force effect in a speckled pattern of light on a
photorefractive Bi 12 TiO 20 crystal to measure the amplitude of transverse vibrations in a …