研究了一种准确、简捷定向切割硫镓银(AgGaS2)晶体的新方法.利用晶体结构特点,从AgGaS2晶体上解理出两个不平行的{101}晶面,结合其晶面间夹角关系和标准极图,确定出晶体的C轴方向.然后,以C轴为基准,按相位匹配角度对晶体进行切割,得到器件的通光面.再对切割出的器件初样进行加工和采用X射线衍射修正,获得了10 mm×10 mm×20 mm的AgGaS2晶体光参量振荡(OPO)器件.新方法对AgGaS2晶体进行定向切割加工,精度高、操作简便、重复性好,不仅可用于AgGaS2晶体的定向切割,而且可用于其它一些具有类似结构晶体的定向切割.
参考文献
| [1] | Feigelson R S;Route R K .Recent Developments in the Growth of Chalcopyrite Crystals for Nonlinear Infrared Application[J].Optical Engineering,1987,26(02):113-119. |
| [2] | Boyd G D;Kasper H .Linear and Nonlinear Optical Properties of AgGaS2,CuGuS2 and CuInS2,and Theory of the Wedge Technique for the Measurement of Nonlinear Coefficients[J].IEEE Journal of Quantum Electronics,1971,7(12):563-573. |
| [3] | 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. |
| [4] | Dance B .Laser Range Finder Operates in 4.6 to 4 8μm Band[J].Laser Focus World,1989,25(11):44-45. |
| [5] | 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:L1661-L1664. |
| [6] | 孙寒,王铁军,张洪志,康智慧,姜云,高锦岳.3～5 μm AgGaS2 光参量振荡器的优化分析[J].吉林大学学报(理学版),2007(04):624-628. |
| [7] | 刘来保.应用X射线定向仪的晶体快速定向法[M].合肥:中国科学技术大学出版社,2001 |
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