Holographic Fourier synthesis of dynamic Moiré-like patterns in the photorefractive crystal

PA Marques dos Santos, GN de Oliveira - Optical Engineering, 2006 - spiedigitallibrary.org
We propose and physically discuss a kind of holographic Fourier synthesis in the profile of
dynamic Moiré-like patterns. The interference patterns are obtained by progressively …

Controlled phase mismatch in sectioned dynamic holographic moiré-like patterns

GN de Oliveira, PAM dos Santos… - Optics and lasers in …, 2008 - Elsevier
In the present work attention is given to the physical description of phase mismatch
produced in sectioned holographic moiré-like patterns. It is obtained by the controlled …

Dynamic holographic moiré patterns in photorefractive Bi12TiO20 and small-angle measurements

PAM Dos Santos, LC da Silva Nunes, I Corrêa - Applied Optics, 2000 - opg.optica.org
A procedure for obtaining real-time holographic moirélike patterns and measuring small
angles is proposed. Two rotated sinusoidal phase gratings are superposed, and the result …

Dynamic moiré patterns produced by sinusoidal gratings superposition in the Bi12 TiO20 crystal

PAM Dos Santos, AA Tagliaferri - Optics & Laser Technology, 1997 - Elsevier
In the present note a real-time holographic moire-like pattern is shown. It is produced by the
superposition of two rotated sinusoidal phase gratings and the result represents a promising …

Moiré-like patterns as a spatial beat frequency in photorefractive sinusoidal phase gratings superposition

PAM Dos Santos - Optics communications, 2002 - Elsevier
Dynamic Moiré-like patterns generation by the superposition of two dynamic sinusoidal
phase gratings is described. Two sinusoidal phase gratings of slightly different pitches are …

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 …

Electrophotochromic gratings in photorefractive Bi12TiO20 crystals

AA Kamshilin, J Frejlich, PM Garcia - Applied optics, 1992 - opg.optica.org
We present the first experimental demonstration of quasi-permanent holographic recordings
in Bi_12TiO_20 crystals through what is to our knowledge a new electrophotochromic effect …

Photorefractive moiré-like patterns for the multifringe projection method in Fourier transform profilometry

ME De Oliveira, GN de Oliveira, JC de Souza… - Applied Optics, 2016 - opg.optica.org
In the present paper, the method of simultaneous moiré-like fringe pattern projection for
Fourier transform profilometry is described. The photorefractive holographic interferometric …

Selective two-wave mixing in photorefractive crystals

J Frejlich, AA Kamshilin, PM Garcia - Optics letters, 1992 - opg.optica.org
A new technique that permits the selective steady-state continuous detection of phase
(photorefractive) or amplitude (photochromic) effects in two-wave mixing experiments is …

Single beam polarization holographic grating recording

N Kukhtarev, G Dovgalenko, GC Duree Jr, G Salamo… - Physical review …, 1993 - APS
Single beam polarization holographic grating recording Page 1 VOLUME 71, NUMBER 26 27
DECEMBER 1993 Single Beam Polarization Holographic Grating Recording Nickolai Kukhtarev …