Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jcrysgro.2007.11.057
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dc.titleTwo-color nonvolatile holographic recording in Bridgman-grown Ru:LiNbO3 crystals
dc.contributor.authorXu, X.W.
dc.contributor.authorLiang, X.
dc.contributor.authorLi, M.
dc.contributor.authorSolanki, S.
dc.contributor.authorChong, T.-C.
dc.date.accessioned2014-10-07T04:38:53Z
dc.date.available2014-10-07T04:38:53Z
dc.date.issued2008-04
dc.identifier.citationXu, X.W., Liang, X., Li, M., Solanki, S., Chong, T.-C. (2008-04). Two-color nonvolatile holographic recording in Bridgman-grown Ru:LiNbO3 crystals. Journal of Crystal Growth 310 (7-9) : 1976-1980. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jcrysgro.2007.11.057
dc.identifier.issn00220248
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/83235
dc.description.abstractThe Ru:LiNbO3 crystal with the size of φ25mm×70 mm was grown for the first time by the vertical Bridgman method from the congruent melt doped with a high concentration of 0.05 wt% RuO2. The as-grown crystal was dark brown in color without obvious color change along the growth direction. The optical properties of the crystal were studied along the growth axis (Z) by measuring the optical absorption spectra and OH- absorption peaks. The optical inhomogeneity was improved due to the effective suppression of RuO2 evaporation during the Bridgman growth process. The X-cut sample annealed in air at 950 °C for 5 h exhibited considerable photochromic effect in a wide wavelength range from 360 to 680 nm after the UV illumination. Two-color nonvolatile holographic recording at 632.8 nm was realized in an X-cut as-grown Ru:LiNbO3 crystal with the UV light of 300-400 nm for gating . A high diffraction efficiency of η=41.5% and nonvolatile readout with a fixing ratio of 57.8% were achieved. The crystal had a recording sensitivity of S=0.03 cm/J and a dynamic range of M/#=5.9/cm. The crystal also exhibited a fast erasability and free light-induced scattering at the recording power density of I0=0.23 W/cm2, which are favorable for holographic storage. © 2007 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.jcrysgro.2007.11.057
dc.sourceScopus
dc.subjectA1. Doping
dc.subjectA1. Holographic recording
dc.subjectA2. Bridgman growth
dc.subjectB1. Lithium niobate
dc.subjectB2. Photorefractive crystal
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1016/j.jcrysgro.2007.11.057
dc.description.sourcetitleJournal of Crystal Growth
dc.description.volume310
dc.description.issue7-9
dc.description.page1976-1980
dc.description.codenJCRGA
dc.identifier.isiut000255843200123
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