[图书][B] Photorefractive materials: fundamental concepts, holographic recording and materials characterization

J Frejlich - 2007 - books.google.com
Photorefractive Materials presents an overview of the basic features and properties of
photorefractive materials, covering a wide array of related topics. It provides a coherent …

Characterization of photorefractive undoped and doped sillenite crystals using holographic and photoconductivity techniques

J Frejlich, R Montenegro, TO Dos Santos… - Journal of Optics A …, 2008 - iopscience.iop.org
We use photoconductivity and holographic techniques to characterize some material and
transport properties in undoped and doped photorefractive sillenite crystals, with particular …

New possibilities for the measurement of wavelength-resolved photoconductivity

R Montenegro, NR Inocente-Junior… - Review of scientific …, 2006 - pubs.aip.org
We report a new setup for the measurement of photoconductivity that is based on discrete
quasimonochromatic light-emitting diodes. This setup allows new possibilities combining …

Photochromism, bleaching and photorefractive recording in undoped Bi12TiO20 crystals in the visible and near infrared wavelength range

PV Dos Santos, JF Carvalho, J Frejlich - Optical materials, 2007 - Elsevier
We describe the effect of radiation of different wavelengths in the visible and near infrared
range over photochromism, bleaching and photorefractive recording on undoped Bi12TiO20 …

[图书][B] Photorefractive Materials for Dynamic Optical Recording: Fundamentals, Characterization, and Technology

J Frejlich - 2020 - books.google.com
A comprehensive and up-to-date reference on holographic recording Photorefractive
Materials for Dynamic Optical Recording offers a comprehensive overview of the physics …

Detection of resonance space-charge wave peaks for holes and electrons in photorefractive crystals

I de Oliveira, J Frejlich - JOSA B, 2007 - opg.optica.org
We report nonstationary photorefractive holograms in absorbing Bi_12TiO_20 samples with
different degrees of hole-electron competition exhibiting resonance peaks due to electron …

Novel procedure for the simultaneous determination of the Debye length and electro-optic coefficient for an optically active photorefractive Bi12SiO20 crystal

JA Gómez, HL Gómez, Á Salazar - Optics communications, 2011 - Elsevier
We present a novel procedure based on an improved physical model and a versatile
numerical fitting technique, to simultaneously determinate the Debye screening length and …

Photorefractive two-wave mixing phase coupling measurement in a self-stabilized recording regime

R Montenegro, AA Freschi… - Journal of Optics A: Pure …, 2008 - iopscience.iop.org
The measurement of the phase coupling φ between the two-wave mixed transmitted and
diffracted beams behind a photorefractive material is directly obtained using a self-stabilized …

An improved procedure for fringe-locked photorefractive running hologram data processing

Á Salazar, H Lorduy, R Montenegro… - Journal of Optics A …, 2009 - iopscience.iop.org
We report a new improved procedure for experimental data fitting in photorefractive fringe-
locked running hologram experiments. From this fitting we compute the diffusion length LD …

Calculation of the gain in optically active photorefractive crystals considering the self-diffraction in a two-wave mixing process

H Lorduy, JA Gómez, Á Salazar - Optics communications, 2011 - Elsevier
We present a physical and computational procedure to calculate the gain in a two-wave
mixing process in a thick optically active photorefractive BSO crystal under diffusion regime …