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 …

Hole-electron competition investigated by holographic recording in Bi12TiO20 crystal under applied electric field

WR Lopes, PV dos Santos, JGV Rocha, JF Carvalho… - Optical Materials, 2022 - Elsevier
Hole-electron competition was induced in an undoped Bi 12 TiO 20 crystal using coherent
pre-illumination at 532 nm. Photorefractive recording and erasure at 639.7 nm under the …

780 nm near-infrared photorefractive holograms recorded in undoped Bi12TiO20 crystal under the action of external electric field

AL Moura, AA Canabarro, E de Lima, WC Soares… - Optical Materials, 2023 - Elsevier
In this paper, we studied recording and erasure of photorefractive holographic gratings
recorded at 780 nm in an undoped Bi 12 TiO 20 (BTO) crystal sample under the action of an …

Dependence of gain coefficient and response time on the applied electric field in LiNbO3: Fe crystal

Y Zhao, C Tao, H Wang, X Gao, W Wang, Y Zhu… - Optics …, 2022 - Elsevier
In this paper, the characteristics of two-wave mixing in photorefractive crystal LiNbO 3: Fe
are theoretically and experimentally analyzed. The relationship between the gain coefficient …

[PDF][PDF] Lloyd's mirror interferometer for holographic recording in photorefractive crystals

I de Oliveira, KF Tornisiello - Opt. Pura Apl., 2021 - sedoptica.es
We report the use of Lloyd's mirror interferometer for holographic recording in
photorefractive material. The experimental results show that perturbations in the diffraction …