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非线性光学晶体LiBX2(B=Ga,In;X=S,Se,Te)的研究
Nonlinear Optical Crystals LiBX2 (B = Ga, In; X = S, Se, Te)
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非线性光学晶体LiBX2(B=Ga,In;X=S,Se,Te)的研究.pdf
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作 者:孙亮[1] 杨春晖[2] 马天慧[3] 朱崇强[2]
Sun Liang Yang Chunhui Ma Tianhui Zhu Chongqiang ( 1. School of Physics and Electronic Engineering, Yibin University, Yibin 644000, China ;2. School of Chemical Engineering and Technology, Harbin Institute of Technology ,Harbin 150001 ,China; 3. College of Materials and Chemical Engineering, Heilongjiang Institute of Technology, Harbin 150001, China)
机构地区:[1]宜宾学院物理与电子工程学院,宜宾644000 [2]哈尔滨工业大学化工学院,哈尔滨150001 [3]黑龙江工程学院材料与化学工程学院,哈尔滨150001
出 处:《化学进展》 CSCD 2014年第26卷第2期 293-302页,共10页
Progress in Chemistry
基 金:国家自然科学基金项目(No.50902027,51102061)和黑龙江省教育厅青年学术骨干项目(No.1252G061)资助
摘 要:LiBX2(B:Ga,In;X=S,Se,Te)晶体具有宽的透光波段、足够大的双折射率、高的激光损伤阈值和小的双光子吸收系数等特性,是目前最具发展前景的中红外波段频率转换材料之一。本文从晶体结构入手,重点介绍了LiBX2晶体的光学性能、缺陷结构及晶体应用的最新研究成果。LiBX2晶体在二次谐波(SHG)相位匹配、差频产生(DFG)、光学参量放大(OPA)和光学参量振荡(OPO)等方面具有重要的应用前景。通过对晶体的透过光谱、吸收光谱、光致发光光谱和电子辐照的研究可以确定缺陷类型、缺陷浓度及最佳退火温度,分析晶体颜色与晶体组成和缺陷的关系。最后,提出LiBX2晶体今后应重点开展的研究方向。即获得更高光学质量的大尺寸晶体、降低晶体残余吸收和设计性能优良的抗反射膜(AR)。
LiBX2 (B = Ga, In; X = S, Se, Te) crystal is one of the most promising frequency converters materials for IR due to extended transparency range, sufficiently large birefringence, high laser induced damage thresholds and small two-photon absorption coefficient. This article focuses on the optical properties, defect structures and applications of these crystals reported in the past few years. The promising applications on the phase-matched second harmonic generation (SHG), continuous-wave (cw) difference-frequency generation (DFG), optical parametric amplifier (OPA) and optical parametric oscillator (OPO) are summarized. The major native defects, defect concentration and optimal annealing temperature can be indicated by the on crystal growth, reduction of the residual losses and prospected. optimization of the antireflection (AR)-coating process are
关键词:非线性光学材料 光学性质 点缺陷 锂化合物 光学参量放大
nonlinear optical materials ; optical properties ; point defects ; lithium compounds ;optical parametricoscillator ( OPO ) ; |
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