An analytic expression for the photorefractive two beam coupling response time

F Vachss - Photorefractive Materials, Effects, and Devices II, 1990 - opg.optica.org
Among the most widely used properties of photorefractive materials is their ability to couple
energy between two beams overlapping within the medium. This property allows for a weak …

High-speed photorefractive joint transform correlator using nonlinear filters

J Colin, N Landru, V Laude, S Breugnot… - Journal of Optics A …, 1999 - iopscience.iop.org
High-speed photorefractive joint transform correlator using nonlinear filters Page 1 Journal of
Optics A: Pure and Applied Optics High-speed photorefractive joint transform correlator using …

Enhancing the response time for photorefractive beam fanning

JL Shultz, GJ Salamo, EJ Sharp… - … and Electro-Optic …, 1992 - spiedigitallibrary.org
Two types of optical limiting devices which have been demonstrated using photorefractive
crystals are the'beam fanning'limiter and the'two-beam coupling'limiter. Experimental …

Fundamental limit of the speed of photorefractive effect and its impact on device applications and material research: author's reply to comment

P Yeh - Applied Optics, 1987 - opg.optica.org
I wish to extend my thanks to Glass et al.[1] for calling my attention to some of the earlier
works on photorefractive sensitivity. After reading these earlier papers, I found that, although …

Velocity filtering using complementary gratings in photorefractive BSO

G Hussain, RW Eason - Optics communications, 1991 - Elsevier
We demonstrate a new optical technique for velocity filtering and feature extraction of time
varying optical images. The technique exploits the recording of complementary (multiplexed) …

Quantitative measurement of the vibrational amplitude and phase in photorefractive time‐average interferometry: A comparison with electronic speckle pattern …

H Rohleder, PM Petersen, A Marrakchi - Journal of applied physics, 1994 - pubs.aip.org
Time-average interferometry is dealt with using four-wave mixing in photorefractive Bi $ iO,,.
By introducing a proper sinusoidal phase shift in the forward pump beam it is possible to …

Two wavelength photorefractive dynamic optical interconnect

R McRuer, J Wilde, L Hesselink… - Optical Computing and …, 1988 - spiedigitallibrary.org
A novel switch geometry using photorefractive crystals has been demonstrated which has
nondestructive readout and reduces the order of complexity of a non-blocking switching …

Photorefractive holographic interference novelty filter

J Khoury, CL Woods, M Cronin-Golomb - Optics communications, 1991 - Elsevier
A novelty filter is demonstrated in bismuth silicon oxide utilizing the first demonstration of self-
nulling and self-aligning of reflection and transmission phase conjugate beams. Transient …

Photorefractive recording of speckle for real-time velocimetry and metrology

SH Collicott, L Hesselink - International Conference on …, 1988 - ui.adsabs.harvard.edu
Real-time recording and optical processing of double exposure speckle patterns of light
scattered from both a stationary and moving solid are demonstrated in this paper. Pulsed …

Holographic interferometers with photorefractive recording media

TR Moore, RL Blair, AJ Megofna, MP Riegner… - Applied …, 1998 - opg.optica.org
We discuss two types of holographic interferometer that contain photorefractive recording
media. The first type contains two beams interacting in a photorefractive medium. The …