Nonsteady-state photo-EMF effect in photorefractive polymers

R Bittner, K Meerholz, S Stepanov - Applied physics letters, 1999 - pubs.aip.org
… Unlike conventional photorefractive crystals PRCs, in organic … the nonsteady-state
photo-electromotive force or photo-EMF effect.… leads to a periodic electric current photo-EMF

Enhanced photocurrent in photo-emf experiments in pure and doped absorbing photorefractive crystals

L Mosquera, J Frejlich - JOSA B, 2002 - opg.optica.org
We report a mathematical formulation that successfully describes the holographic photocurrent
that is produced, in strongly absorbing photorefractive materials, by the action of a pattern …

Photo-electromotive-force effect in semiconductors

S Stepanov - Handbook of advanced electronic and photonic …, 2001 - Elsevier
… of photorefractive holographic recording and the photo-EMF effect. … of the photo-EMF signal.
Note also that in the current … results on photo-EMF in ferroelectric photorefractive crystals. …

Investigation of reflectance gratings in PVK-based photorefractive polymers by photo-EMF and self-diffraction techniques

SI Stepanov, R Ramos-Garcia… - … Photorefractive …, 2002 - spiedigitallibrary.org
… Note that this behavior is quite unusual for photorefractive crystals (Eq.3), where transfer
from the initial level of E0 to the final level of Eq S observed via quadratic (cc E02) growth with …

Non-steady-state photoelectromotive force in semiconductor photorefractive crystals biased by dc field

NA Korneev, SS Mansurova, SI Stepanov, TJ Hall… - JOSA B, 1996 - opg.optica.org
photorefractive or photoconductive crystals when the dielectric relaxation determines the
dynamics of the process. The sign of the initial (without voltage) photo-EMF … output photo-EMF

Adaptive interferometers using photorefractive crystals and the non-steady-state photoelectromotive force effect

MA Bryushinin, KTV Grattan, VV Kulikov… - Journal of Modern …, 2006 - Taylor & Francis
… on photorefractive crystals and the effect of the non-steady-state photo-electromotive force
… using the effect of non-steady-state photo-EMF is analysed. The nonresonant and resonant …

Adaptive interferometers using photorefractive crystals

SI Stepanov, IA Sokolov - 1989 Second International …, 1989 - ieeexplore.ieee.org
crystal= . This equation is based on a convention& model for a monopolar photoconducting
crystal … axhibited by the effect of non-steady-state photo-emf (24). This effect consists in an …

Giant enhancement of low frequency non-steady-state photo-EMF signal in Bi12SiO20 crystal under external DC bias

S Mansurova, S Stepanov, N Korneev, C Dibon - Optics communications, 1998 - Elsevier
photo-EMF, induced by vibrating interference fringes in Bi 12 SiO 20 photorefractive crystal
can … Finally, the sensitivity of the biased resonance adaptive photo-EMF detector is estimated. …

Non-Steady-State Photo-EMF in DC Biased Photorefrative Crystal at Low Frequencies of Modulation

S Mansurova, S Stepanov - … Conference on Lasers and Electro-Optics, 1996 - opg.optica.org
… -state photo-EMF observed in short-circuited photorefractive/ … the non-steady-state photo-EMF
formation in monopolar … Specially our attention is paid to dependence of the photo-EMF

Energy structure and micromechanism of photoelectromotive force effect in V‐doped CdTe crystals

YP Gnatenko, MS Brodyn, IO Faryna… - … status solidi (a), 2007 - Wiley Online Library
… is collected by the electrodes of the photorefractive crystal sample. The phase modulation of
… of non-steady-state photo-EMF in the photorefractive crystals. This causes the appearance …