Mechanism of photorefractive enhancement of photochromic gratings in BSO—experimental results and phenomenological modelling

PM Jeffrey, SL Clapham, RW Eason, DA Fish… - Optics …, 1993 - Elsevier
We report an increase of more than a factor of 100 in the diffraction efficiency from
photochromic gratings written in BSO, by uniformly illuminating these gratings with 488 nm …

Theoretical analysis of mechanism of photorefractive enhancement of photochromic gratings in BSO

DA Fish, AK Powell, TJ Hall, PM Jeffrey… - Optics …, 1993 - Elsevier
We present the results of theoretical modelling of the increase in diffraction efficiency in
photorefractive BSO under conditions of photorefractive enhancement via permanent …

Spatial light modulation via enhanced diffraction efficiency of photochromic gratings in photorefractive BSO

SL Clapham, RW Eason, NA Vainos - Optics communications, 1990 - Elsevier
We report a novel scheme for spatial light modulation in which the diffraction efficiency of a
permanent photochromic hologram stored in photorefractive BSO is spatially enhanced by …

The effect of optical bias on grating formation dynamics in photorefractive BSO

C Soutar, WA Gillespie, CM Cartwright - Optics communications, 1992 - Elsevier
We present experimental results describing the influence of optical bias on the transient
characteristics of gratings formed in photorefractive BSO. A transient peak is evident, and the …

Photochromic and photorefractive gratings induced by pulsed excitation in BSO crystals

AL Khromov, AA Kamshilin, MP Petrov - Optics Communications, 1990 - Elsevier
The diffraction efficiency of holograms formed in BSO crystals by pulsed excitation has been
studied as a function of the recording pulse energy, readout light polarization and crystal's …

Approximate analytic solution of photochromic and photorefractive gratings in photorefractive materials

CH Kwak, SJ Lee - Optics communications, 2000 - Elsevier
We have developed an approximate analytic expression of two wave mixing for absorption
and phase gratings in photorefractive materials taking into account self-diffraction effect of …

Multiplexed permanent and real time holographic recording in photorefractive BSO

NA Vainos, SL Clapham, RW Eason - Applied Optics, 1989 - opg.optica.org
We report permanent hologram recording in crystals of photorefractive bismuth silicon oxide
using reversible photochromic effects. At a recording wavelength of 488 nm, exposures of …

Interband photorefractive effects and applications

G Montemezzani, P Bernasconi, P Dittrich… - Optics of …, 2001 - spiedigitallibrary.org
Interband photorefractive gratings can be generated by illumination of an electro-optic
crystal in the high absorption spectral region. In contrast to conventional photorefractive …

Diffraction analysis of layered structures of photorefractive gratings

R De Vré, L Hesselink - JOSA A, 1996 - opg.optica.org
A general analytical model is developed for analysis of the diffraction properties of layered
structures of photorefractive gratings. With this model a simple closed-form expression is …

Photoconductive Enhancement of Degenerate Four-Wave Mixing Reflectivity in BSO

RW Eason, NA Vainos - Journal of Modern Optics, 1988 - Taylor & Francis
A method of enhancing the degenerate four-wave mixing (DFWM) conjugate reflectivity in
photorefractive BSO is described, which uses an auxiliary beam of different wavelength to …