OpticsInfoBase

The role of Mn in photorefractive LiNbO3

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 101
• OSA Trends in Optics and Photonics
• Yang, Yunping; Adibi, All; Berben, Dirk; Buse, Karsten; Psaltis, Demetri
• The dynamic range, sensitivity and dark decay of holographic recording in LiNbO3 crystals doped with 0.2 atomic% Mn with different oxidation states have been measured. The...

Rapid Grating Compensation in Iron-doped Paraelectric KLTN

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 107
• OSA Trends in Optics and Photonics
• Ivker, Mark; Agranat, Aharon J
• Material parameters relevant to the photorefractive effect in the paraelectric phase are compared for KLTN doped with iron and KLTN doped with copper. Unlike copper-doped crystals,...

High frame rate joint Fourier transform correlation by pulsed interband photorefraction in Sn2P2S6

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 11
• OSA Trends in Optics and Photonics
• Ryf, R; Montemezzani, G; Günter, P; Grabar, A A; Stoika, I M; Vysochanskii, Yu M
• Green light induced pulsed interband photorefractive effects in Sn₂P₂S₆ crystals are particularly interesting for high-speed optical processing...

Performance trade-offs in holographic recording in LINbO3 crystals

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 113
• OSA Trends in Optics and Photonics
• Adibi, Ali; Buse, Karsten; Psaltis, Demetri
• We use the quantitative measures for dynamic range, sensitivity, and persistence in holographic recording to compare the performance of singly-doped and doubly-doped...

Content-addressable data storage in holographic memories based on phase-coded multiplexing

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 122
• OSA Trends in Optics and Photonics
• Denz, C; Berger, G; Müller, K -O; Tschudi, T; Orlov, S; Philips, W; Hesselink, L
• We develop two different approaches to realize content-addressed or associative recall for phase-coded multiplexing, and present theoretical and experimental results of associate...

Data Security in Holographic Memory using Double Random Polarization Encryption

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 131
• OSA Trends in Optics and Photonics
• MATOBA, Osamu; TAN, Xiaodi; SHIMURA, Tsutomu; KURODA, Kazuo; JAVIDI, Bahrain
• A novel security technique based on polarization encryption is proposed and is applied to a secure holographic memory system. Original binary data are described as two orthogonal...

Holographic approach to store binary data densely beyond the Rayleigh limit using near-field scanning optical microscopy

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 137
• OSA Trends in Optics and Photonics
• Kim, Kyoung-Youm; Lee, Byoungho
• We propose a holographic method for the storage and retrieval of sub-Rayleigh-limit-size binary data using near-field scanning optical microscopy (NSOM). The experimentally retrieved...

Mechanisms of dark decay of holograms in lithium niobate crystals

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 144
• OSA Trends in Optics and Photonics
• Yang, Yunping; Nee, Ingo; Buse, Karsten; Psaltis, Demetri
• The lifetimes of non-fixed holograms in LiNbO₃ crystals with different dopants, doping levels and oxidation states have been measured in the temperature range from 30 to...

A new method of electrical fixing in strontium-barium niobate crystals

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 152
• OSA Trends in Optics and Photonics
• Wesner, M; Herden, C; Kip, D
• We suggest a new method of electrical fixing in strontium-barium niobate (SEN) crystals. The method takes advantage of the large difference of the extraordinary refractive index in...

Optical storage of information via refreshing by inverse seeding in a photorefractive Ba0.77Ca0.23TiO3 crystal

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 158
• OSA Trends in Optics and Photonics
• Matusevich, V; Kiessling, A; Kowarschik, R
• We study the temporal behaviour of the phase-conjugated (pc) reflectivity and the signal amplification of a transmission grating written by four-wave mixing in a photorefractive...

Origin of the enhancement of resistance against optical damage in Mg-doped nearly stoichiometric lithium niobate crystals

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 166
• OSA Trends in Optics and Photonics
• Zhang, Guangyin; Kong, Yongfa; Xu, Jingjun
• The ultraviolet-visible and infrared absorption spectra of Fe₂O₃ and MgO co-doped lithium niobate (LiNbO₃) crystals have been investigated. The...

Nonvolatile hologram storage in near-stoichiometric LiNbO3:Tb, Fe

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 171
• OSA Trends in Optics and Photonics
• Hatano, Hideki; Tanaka, Satoru; Yamaji, Takashi; Lee, Myeongkyu; Takekawa, Shunji; Kitamura, Kenji
• Near-stoichiometric LiNbO₃:Tb, Fe crystals have three different types of energy levels suitable for two-color nonvolatile hologram recording. We investigated two-color...

Holographic camera with BSO applied to microgravity fluid experiment aboard ISS

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 18
• OSA Trends in Optics and Photonics
• Georges, Marc P; Joannes, Luc; Thizy, Cédric; Dubois, Frank; Dupont, Olivier; Lemaire, Philippe C; Legros, Jean-Claude
• We present the preliminary development steps of a holographic interferometer using a BSO crystal for the monitoring of fluids experiments under microgravity conditions. This set-up...

Nonlinear effects in thermal fixing of photorefractive holograms: harmonics and combinational gratings

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 180
• OSA Trends in Optics and Photonics
• Limeres, J; Carrascosa, M; de la Cera, E García; de Miguel-Sanz, E M; Arizmendi, L
• The inherent nonlinearity of the charge transport processes in photorefractive materials give rise to some new phenomena, such as generation of harmonics or grating cross talk, that...

Encrypted holographic memory using rotationally random phase encoding

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 188
• OSA Trends in Optics and Photonics
• Chang, Chi Ching; Hu, Guang Wei; Lin, Ching Yang; Russell, Kendra L
• We propose a novel random phase-coded multiplexing for encrypting holographic memory in a photorefractive LiNbO₃:Fe crystal. A rotating and shifting circular holographic...

Electrical fixing of photorefractive gratings in SEN:60

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 196
• OSA Trends in Optics and Photonics
• Sarvestani, S S; Siahmakoun, A; Duree, G C; Johnson, K
• We present the result of our investigations on electrical fixing in Sr_0.60Ba_0.40Nb₂O₆ (SEN:60). Two electrical fixing techniques which...

Developing of the thermally fixed holograms in the case of photovoltaic mechanism of recording

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 203
• OSA Trends in Optics and Photonics
• Grachev, A I; Chamrai, A V
• A phenomenological theory of the developing of thermally fixed holograms in photorefractive ferroelectrics has been developed. The possible combinations of the two macroscopic...

Enhancement of Non-volatile Recording by an External Field in Doubly doped Lithium Niobate

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 212
• OSA Trends in Optics and Photonics
• Fujimura, R; Ashihara, S; Matoba, O; Shimura, T; Kuroda, K
• We propose a novel technique to enhance a non-volatile photorefractive grating in a two-color holographic recording. Resultant diffraction efficiency is increased by an applied...

The structure of KLTN and the nature of its ferroelectric transition, as determined by neutron diffraction studies.

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 217
• OSA Trends in Optics and Photonics
• Gatt, R; Perpelipsa, G; Russian, P; Ben-Moshe, M; Agranat, A J

Wealth of dynamic regimes for feedback-controlled photorefractive beam coupling

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• Photorefractive Effects, Materials, and Devices (PEMD) 2001 paper: 221
• OSA Trends in Optics and Photonics
• Podivilov, E V; Sturman, B I; Odoulov, S G; Pavlyuk, S M; Shcherbin, K V; Gayvoronsky, V Ya; Ringhofer, K H; Kamenov, V P
• Analytically and numerically we analyze a novel nonlinear system, feedback-controlled photorefractive beam coupling. This system, being experimentally realized, keeps diffractivity...