[PDF][PDF] Excitation and erasure of photochromic effect in the Bi12SiO20 crystals doped with Al, Ga and Sn

AA Dyachenko, TV Panchenko - Ukrainian journal of physical …, 2015 - irbis-nbuv.gov.ua
We present the results of experimental investigations of the processes of excitation and
erasure of photochromic effect (PCE) in undoped Bi12SiO20 (BSO) crystals and the BSO …

Near-infrared holographic photorefractive recording under applied electric field in undoped Bi12TiO20 sillenite crystal

AL Moura, AF Pereira, A Canabarro, JF Carvalho… - Optical Materials, 2020 - Elsevier
Direct holographic recording in undoped Bi 12 TiO 20 crystal at 1064 nm is investigated
aiming the characterization of diffraction efficiency under action of applied dc electric field (E …

Investigations of the characteristics of fixed holograms in Bi12TiO20 photorefractive crystals

S Zhivkova, M Miteva - Optics communications, 1991 - Elsevier
Experimental data on some basic characteristics of holograms recorded in doped and
undoped BTO crystals and fixed at room temperature such as diffraction efficiency and …

Growth and characterization of photorefractive Bi12TiO20 single crystals

VV Prokofiev, JF Carvalho, JP Andreeta… - Crystal Research …, 1995 - Wiley Online Library
Abstract Photorefractive Bi12TiO20 single crystals of high optical quality were grown in a
resistive heating furnace from high temperature nonstoichiometric (10: 1) solutions of Bi2O3 …

Discrepancy between the values of the photoconductivity measured directly and the value predicted from holographic measurements in Bi12SiO20

P Tayebati, RW Hellwarth - Conference on Lasers and Electro-Optics, 1989 - opg.optica.org
We have measured the dc photoconductivity in four photorefractive samples of Bi 12 SiO 20
at the same optical wavelength of 515 nm at which extended photorefractive grating erasure …

[PDF][PDF] Asian Journal of Physics

PP Kiran - Asian Journal of Physics, 2021 - asianjournalofphysics.com
This paper reviews the potential of photorefractive single crystals for optical limiting
applications and highlights the optical limiting characteristics of undoped and iron doped …

Effect of piezoelectricity on the photorefractive gain in a bismuth silicate crystal

HC Ellin, A Grunnet-Jepsen… - … and Engineering'94, 1994 - spiedigitallibrary.org
The application of a voltage, V 0, across a photorefractive crystal in the presence of detuning
is well known as a means of enhancing two-wave gain. By mounting a crystal of bismuth …

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 …

Nonlinear light-induced absorption in Bi2TeO5 photorefractive crystals

I de Oliveira, DA Capovilla, VS Timóteo, JF Carvalho… - JOSA B, 2014 - opg.optica.org
We report on the light-induced absorption in undoped photorefractive Bi_2TeO_5 (BTeO)
crystal. The so-called “two-center” model is shown to adequately describe the present …

Photo-and thermoinduced changes of the optical absorption in Bi12SiO20 crystals

MG Kisteneva, AS Akrestina… - … of Holography and …, 2009 - ingentaconnect.com
Results of experiments on changes of optical absorption in Bi12SiO20 crystals at fixed
wavelengths= 1064 and 633 nm and in wavelength ranges 450–900 and 900–2500 nm at …