在红外变频非线性光学应用中需要高光学质量大尺寸AgGaS2晶体元件.我们采用改进的Bridgman方法生长直径28mm、长度60～80mm的晶体棒.成功生长的关键是要采用C向籽晶.[001]籽晶生长的晶体中很少发现裂纹、聚片孪晶等宏观缺陷.在Ag2S共存下的热处理能有效地排除晶体中的异相沉淀,显著改善透明度.我们制备的Ⅰ型相位匹配8mm×10mm×16mm和5mm×5mm×15mm?AgGaS2晶体元件分别成功地应用于差频、和频激光实验.
参考文献
| [1] | Fan Y X;Eckardt R C;Byer R L et al.AgGaS2 Infrared Parametric Oscillator[J].Applied Physics Letters,1984,45(04):313-315. |
| [2] | Boon P P;Fen W R;Chong C T et al.Nanosecond AgGaS2 Parametric Oscillator with More Than 4 Micron Output[J].Japanese Journal of Applied Physics,1997,36:11661-11664. |
| [3] | Hielscher A H;Miller C E;Bayard D C et al.Optimization of a Midinfrared High-resolution Difference-frequency Laser Spectrometer[J].Journal of the Optical Society of America,1992,B9:1962-1967. |
| [4] | Simon U;Tittel F K;Goldberg L .Difference-frequency Mixing in AgGaS2 by Use of a High-power GaAlAs Tapered Semiconductor Amplified at 860nm[J].Optics Letters,1993,18:1931-1933. |
| [5] | Touahri D;Acef O;Zondy J J .30-THz Upconversion of an AlGaAs Diode Laser with AgGaS2:Bridging the Several-terahertz Frequency Gap in the Near Infrared[J].Optics Letters,1996,21:213. |
| [6] | Dance B .Laser Range Finder Operates in 4 6 to 4 8μm Band[J].Laser Focus World,1989,25(11):44-45. |
| [7] | 程干超.非线性晶体AgGaS2的生长及热处理[J].人工晶体学报,1984(01):23. |
| [8] | Korczak P;Staff C B .Liquid Encapsulated Czochralski Growth of Silver Thiogallate[J].Journal of Crystal Growth,1974(24):386-389. |
| [9] | Boyd G D;Kasper H;McFee J H .Linear and Nonlinear Optical Properties of AgGaS2 CuGaS2,and CuInS2,and Theory of the Wedge Technique for the Mearsurement of Nonlinear Coefficients[J].IEEE Journal of Oceanic Engineering,1971,QE7(12):563-573. |
| [10] | Dmitriev V G;Gurzadyan G G.Nikogosyan D N[M].Handbook of Nonlinear Optical Crystals Berlin:Springer,1997:136-175. |
| [11] | Brandt G;Kramer V .Phase Investigation in the Silver-Gallium-Sulfur System[J].Materials Research Bulletin,1976,11:1381. |
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