KBe_2BO_3F_2晶体非共线相位匹配的光谱带宽  

Spectral bandwidth of KBe_2BO_3F_2 crystal in noncollinear phase matching

作　　者：门艳彬[1] 王丽[1] 温芳[2] 

机构地区：[1]北京工业大学应用数理学院,北京100022 [2]河北师范大学物理科学与信息工程学院,石家庄050016

出　　处：《激光杂志》2008年第4期10-11,共2页Laser Journal

基　　金：北京市自然科学基金(4062008);河北师范大学青年基金资助项目(L2007Q12)

摘　　要：在非共线相位匹配下研究了KBe2BO3F2(KBBF)晶体的参量带宽和增益带宽随非共线角、信号光波长及泵浦光强度的关系。当泵浦光和信号光波长分别为532nm和800nm时,理论上获得了KBBF晶体的最大参量带宽为140.6nm,相应的最佳非共线角为1.02°,并与CsLiB6O10(CLBO)晶体进行了比较,得出KBBF晶体的参量带宽和增益带宽大于CLBO晶体的结论。The parametric bandwidth and gain bandwidth of KBe2BO3F2(KBBF) for noncollinear phase matching have been studied,together with the change of noncollinear angle,signal wavelength and pump intensity.The theory simulation has got the biggest parametric bandwidth of 140.6nm according to the optimum noncollinear angle of 1.02° with the pump wavelength 532nm and the signal wavelength 800nm.The result of KBBF was compared with the parametric bandwidth and gain bandwidth of CLBO,and the parametric bandwidth and gai...

关 键 词：非共线相位匹配 KBBF晶体 群速匹配 参量带宽 增益带宽 

分 类 号：O734[理学—晶体学]