Diffraction properties of transmission photorefractive volume gratings in a cerium-doped potassium sodium strontium barium niobate crystal
BL Liang, ZQ Wang, GG Mu, JH Guan… - Applied Optics, 1999 - opg.optica.org
The diffraction efficiency of volume gratings written by two-wave mixing in a cerium-doped
potassium sodium strontium barium niobate (Ce: KNSBN) photorefractive crystal is studied …
potassium sodium strontium barium niobate (Ce: KNSBN) photorefractive crystal is studied …
Intensity crosstalk and angular selectivity of multibeam coupling in photorefractive BaTiO3
L Klees, C Denz, T Tschudi - Optics communications, 1990 - Elsevier
Theoretical and experimental results are presented for simultaneous multibeam coupling
with N signal beams and one single pump beam in photorefractive BaTiO 3. The gain of …
with N signal beams and one single pump beam in photorefractive BaTiO 3. The gain of …
Kinetics of the photorefractive response of bismuth silicon oxide
JS McCullough, AM Georgalas, CA Hunt… - Journal Of Applied …, 2001 - pubs.aip.org
The kinetics of production and dark decay of index gratings in Bismuth Silicon Oxide was
investigated as a function of write-beam intensity at 300 K and of temperature over the 20 …
investigated as a function of write-beam intensity at 300 K and of temperature over the 20 …
Two-wave mixing of focused Gaussian beams in photorefractive waveguides
D Fluck, JA Weiss, S Brülisauer, P Günter - Optics letters, 1994 - opg.optica.org
We report two-wave mixing measurements in ion-implanted KNbO_3 planar waveguides
and their numerical analysis in the framework of a two-dimensional model that takes the …
and their numerical analysis in the framework of a two-dimensional model that takes the …
Photovoltaic spatial light modulator
JH Hong, F Vachss, S Campbell, P Yeh - Journal of applied physics, 1991 - pubs.aip.org
A novel concept for implementing a high-resolution spatial light modulator using a thin slab
of photorefractive LiNbOs crystal is described. This method uses the photovoltaic effect to …
of photorefractive LiNbOs crystal is described. This method uses the photovoltaic effect to …
Photorefractive two-wave mixing in GaAs using a diode-pumped Nd: YLF laser at 1.31 microns
Two-wave mixing has been observed in Cr-doped semi-insulating GaAs using a compact
Nd: YLF diode-pumped solid-state CW laser system at 1.31 microns. Significant …
Nd: YLF diode-pumped solid-state CW laser system at 1.31 microns. Significant …
Photoconductive Enhancement of Degenerate Four-Wave Mixing Reflectivity in BSO
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 …
photorefractive BSO is described, which uses an auxiliary beam of different wavelength to …
Holography and optical storage
The term holography is composed of the Greek words holos (= whole) and graphein (= to
record, to write), and thus summarizes the key aspects of its underlying principle: recording …
record, to write), and thus summarizes the key aspects of its underlying principle: recording …
Enhancement of the diffraction efficiency of the hologram recorded in photorefractive media under the action of external electric field
TK Yadav, MK Maurya, RA Yadav - Optik, 2012 - Elsevier
Diffraction efficiency as a function of the applied electric field for the non-linear regime has
been calculated by solving numerically the beam coupling equations. The refractive index …
been calculated by solving numerically the beam coupling equations. The refractive index …
Optical associative memories
BVKV Kumar, PK Wong - Machine Intelligence and Pattern Recognition, 1991 - Elsevier
Four associative memory schemes (Hopfield associative memory, generalized inverse
associative memory, spectral associative memory and Ho-Kashyap associative memory) …
associative memory, spectral associative memory and Ho-Kashyap associative memory) …