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

Hideki Hatano; Satoru Tanaka; Takashi Yamaji; Myeongkyu Lee; Shunji Takekawa; Kenji Kitamura

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

Hideki Hatano, Satoru Tanaka, Takashi Yamaji, Myeongkyu Lee, Shunji Takekawa, Kenji Kitamura

Department of Materials Science and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Near-stoichiometric LiNbO₃:Tb, Fe crystals have three different types of energy levels suitable for two-color nonvolatile hologram recording. We investigated two-color multiplexed recording in the crystals. Hologram recording by use of 850nm recording beams and a gating light of visible wavelengths starting from the UV-pre-exposed colored state was suitable for multiplexing. By taking into account the dynamic behavior of sensitivity and erasure time constant owing to the gradual decrease of UV-induced absorption during writing, we could record 100 multiplexed hologram pages with nearly equal strength. An M/# of ~0.33 was obtained and the multiplexed holograms showed very stable nonvolatile readout characteristics.

Original language	English
Title of host publication	Photorefractive Effects, Materials, and Devices, PR 2001
Publisher	Optica Publishing Group (formerly OSA)
Pages	171-179
Number of pages	9
ISBN (Electronic)	9781557528209
Publication status	Published - 2001
Event	Photorefractive Effects, Materials, and Devices, PR 2001 - Delavan, United States Duration: 2001 Jul 8 → …

Publication series

Name	Optics InfoBase Conference Papers

Conference

Conference	Photorefractive Effects, Materials, and Devices, PR 2001
Country/Territory	United States
City	Delavan
Period	01/7/8 → …

Bibliographical note

Publisher Copyright:
© 2001 Optical Society of America.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Mechanics of Materials

Cite this

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

abstract = "Near-stoichiometric LiNbO3:Tb, Fe crystals have three different types of energy levels suitable for two-color nonvolatile hologram recording. We investigated two-color multiplexed recording in the crystals. Hologram recording by use of 850nm recording beams and a gating light of visible wavelengths starting from the UV-pre-exposed colored state was suitable for multiplexing. By taking into account the dynamic behavior of sensitivity and erasure time constant owing to the gradual decrease of UV-induced absorption during writing, we could record 100 multiplexed hologram pages with nearly equal strength. An M/# of ~0.33 was obtained and the multiplexed holograms showed very stable nonvolatile readout characteristics.",

author = "Hideki Hatano and Satoru Tanaka and Takashi Yamaji and Myeongkyu Lee and Shunji Takekawa and Kenji Kitamura",

note = "Publisher Copyright: {\textcopyright} 2001 Optical Society of America.; Photorefractive Effects, Materials, and Devices, PR 2001 ; Conference date: 08-07-2001",

year = "2001",

language = "English",

series = "Optics InfoBase Conference Papers",

publisher = "Optica Publishing Group (formerly OSA)",

pages = "171--179",

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Hatano, H, Tanaka, S, Yamaji, T, Lee, M, Takekawa, S & Kitamura, K 2001, Nonvolatile hologram storage in near-stoichiometric LiNbO₃:Tb, Fe. in Photorefractive Effects, Materials, and Devices, PR 2001., 171, Optics InfoBase Conference Papers, Optica Publishing Group (formerly OSA), pp. 171-179, Photorefractive Effects, Materials, and Devices, PR 2001, Delavan, United States, 01/7/8.

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T1 - Nonvolatile hologram storage in near-stoichiometric LiNbO3:Tb, Fe

AU - Hatano, Hideki

AU - Tanaka, Satoru

AU - Yamaji, Takashi

AU - Lee, Myeongkyu

AU - Takekawa, Shunji

AU - Kitamura, Kenji

PY - 2001

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N2 - Near-stoichiometric LiNbO3:Tb, Fe crystals have three different types of energy levels suitable for two-color nonvolatile hologram recording. We investigated two-color multiplexed recording in the crystals. Hologram recording by use of 850nm recording beams and a gating light of visible wavelengths starting from the UV-pre-exposed colored state was suitable for multiplexing. By taking into account the dynamic behavior of sensitivity and erasure time constant owing to the gradual decrease of UV-induced absorption during writing, we could record 100 multiplexed hologram pages with nearly equal strength. An M/# of ~0.33 was obtained and the multiplexed holograms showed very stable nonvolatile readout characteristics.

AB - Near-stoichiometric LiNbO3:Tb, Fe crystals have three different types of energy levels suitable for two-color nonvolatile hologram recording. We investigated two-color multiplexed recording in the crystals. Hologram recording by use of 850nm recording beams and a gating light of visible wavelengths starting from the UV-pre-exposed colored state was suitable for multiplexing. By taking into account the dynamic behavior of sensitivity and erasure time constant owing to the gradual decrease of UV-induced absorption during writing, we could record 100 multiplexed hologram pages with nearly equal strength. An M/# of ~0.33 was obtained and the multiplexed holograms showed very stable nonvolatile readout characteristics.

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