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 …

An experimental implementation of a joint transform correlator based on a nondegenerate
four-wave mixing interaction in the photorefractive material bismuth silicon oxide is …

A new concept and experimental demonstration of a bifurcating optical pattern recognizer
that uses a nonlinear gain saturation memory medium such as a high-gain photorefractive …

Photorefractive materials, in which the refractive index changes in response to variations in
incident light intensity, differ substantially in both their holographic readout and recording …

We present and demonstrate a self-transverse-mode organization effect (passive transverse
mode locking?) in a cavity that contains a saturable absorber. It gives narrowing and …

Correlation of two dimensional (2D) images using photorefractive materials are first
reviewed. The performance of a joint transform correlator based on photorefractive beam …

A heterodyne technique is presented for the independent, direct measurement of the
amplitude and phase of photorefractive space-charge fields during uninterrupted buildup …

The facility to control light with light is becoming a key function for advanced photonics
architectures. The photorefractive effect is an optical nonlinearity that allows two or more …

The polarization properties of diffraction from bismuth silicon oxide crystals are used to
enhance the signal-to-noise ratio of a photorefractive particle image velocimeter. We explain …

A novelty filter detects what is new in a scene and may be likened to a temporal high-pass
filter. The current status of optical novelty filters and related devices, based upon four-wave …