Title :
Two-photon recording in three-dimensional photorefractive data storage
Author :
Ishitobi, H. ; Kawata, Shigeo
Author_Institution :
Dept. of Appl. Phys., Osaka Univ., Japan
Abstract :
Summary form only given. We describe the method that completely solves the problem mentioned above in bit-oriented three dimensional photorefractive memory. We use a near-infrared pulse laser to record bit data with a two-photon absorption process. As far as we know, this is the first report on two photon photorefraction in ferroelectric crystals. Two-photon recording in seven different layers of undoped LiNbO/sub 3/ is used.
Keywords :
ferroelectric materials; light absorption; lithium compounds; optical films; optical materials; optical storage; photorefractive materials; two-photon processes; 3D photorefractive data storage; LiNbO/sub 3/; bit data recording; bit-oriented three dimensional photorefractive memory; ferroelectric crystals; near-infrared pulse laser; three-dimensional photorefractive data storage; two photon photorefraction; two-photon absorption process; two-photon recording; undoped LiNbO/sub 3/ layers; Holographic optical components; Holography; Memory; Optical recording; Optical refraction; Optical variables control; Optimized production technology; Photorefractive effect; Photorefractive materials; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 1998. CLEO 98. Technical Digest. Summaries of papers presented at the Conference on
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
1-55752-339-0
DOI :
10.1109/CLEO.1998.675846
