| 標題: | Light-induced properties of doped Bi4Ge3O12 single crystals |
| 作者: | Marinova, V Lin, SH Gospodinov, M Hsu, KY 光電工程學系 Department of Photonics |
| 關鍵字: | doped crystals;optical properties;photochromic effect;photorefractive effect |
| 公開日期: | 2003 |
| 摘要: | Optically homogeneous bismuth germanate Bi4Ge3O12 single crystals doped with vanadium, cobalt and vanadium plus cobalt have been successfully grown by Czohralski technique with automatically diameter-weight control. The distribution coefficients for individual doping elements are determined. The effect of doping on the light-induced properties of BGO single crystals is studied. Optical absorption spectrum of annealed samples can be strongly modified under ultraviolet illumination. The photochromic effect is optically or thermally reversible from one state to another. Volt-amper charactersitcs show linear behavour and dark conductivity values are sigma similar to 10(-13) (Omega.cm)(-1). Holographic grating were successfully recorded in all investigated doped crystals at 514 nm. |
| URI: | http://hdl.handle.net/11536/18461 http://dx.doi.org/10.1117/12.507712 |
| ISBN: | 0-8194-5079-0 |
| ISSN: | 0277-786X |
| DOI: | 10.1117/12.507712 |
| 期刊: | PHOTOREFRACTIVE FIBER AND CRYSTAL DEVICES: MATERIALS, OPTICAL PROPERTIES, AND APPLICATIONS IX |
| Volume: | 5206 |
| 起始頁: | 7 |
| 結束頁: | 13 |
| 顯示於類別： | 會議論文 |
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- Optical, magneto-optical and holographic study of Bi4Ge3O12 crystals doped with transition elements / Petkova, Petya;Marinova, Vera;Iliev, Ilia;Dimov, Todor;Lin, Shiuan H.
- The influence of Rh doping on the light-induced properties of Bi4Ge3O12 single crystals / Marinova, V.;Petrova, D.;Lin, S. H.;Hsieh, M. L.;Hsu, K. Y.
- Effect of ruthenium doping on the optical and photorefractive properties of Bi12TiO20 single crystals / Marinova, V;Hsieh, ML;Lin, SH;Hsu, KY
- Characterization of doped Bi4Ge3O12 single crystals by light-induced absorption, electrical and photoelectrical measurements / Petrova, D.;Marinova, V.;Liu, R. C.;Lin, S. H.;Hsu, K. Y.
- Light-induced and holographic properties of ruthenium and manganese co-doped Bi4Ge3O12 crystals / Lin, S. H.;Marinova, V.;Lin, Y. C.;Petrova, D.;Chou, W. C.
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