LD侧面抽运Nd∶YAP腔内三倍频蓝光激光器  

LD Side-pumped Nd∶YAP Intra-cavity Frequency-tripled Blue Laser

作　　者：胡博宇[1] 凌铭[2] 曹丰慧[1] 金光勇[1] 梁柱[1] 

机构地区：[1]长春理工大学激光技术研究所,长春130022 [2]上海理工大学医疗器械工程研究所,上海200093

出　　处：《光子学报》2010年第10期1757-1761,共5页Acta Photonica Sinica

基　　金：长春市科技局科技计划项目(2009002)资助

摘　　要：研制了一台LD侧面抽运Nd∶YAP腔内三倍频447.1nm脉冲蓝光激光器.采用列阵高频激光二极管侧面抽运Nd∶YAP晶体,使用V型折叠腔,LN晶体电光调Q,输出高峰值功率的1341.4nm偏振基频光.选取KTP晶体Ⅱ类临界相位匹配倍频,获得670.7nm红光.使用LBO晶体Ⅰ类临界相位匹配把670.7nm的倍频光与1341.4nm的基频光进行和频,获得三倍频447.1nm的蓝光输出.实验结果表明:优化后的V型折叠腔,可提高非线性转换效率,在平均抽运功率92.4W时,获得了平均功率887mW、峰值功率17.7kW、脉宽50ns的偏振蓝光输出,光-光转换效率为0.96%.A laser-diode array side-pumped Nd∶YAP intra-cavity frequency-tripled 447 nm pulse blue laser was reported.After high peak power of polarized 1 341.4 nm fundamental laser was generated by using high frequency laser-diode array side-pump Nd∶YAP crystal,V-type resonator and LN crystal for Q-switched,670.7 nm red laser second harmonic generation（SHG）was obtained with Ⅱcritical phase matching（CPM）KTP ctystal,and 447.1 nm blue laser by sum frequency mixing（SFM）of the 1 341.4 nm and 670.7 nm radiation was obtained withⅠCMP LBO ctystal.The experimental results show that a optimited V-type resonator can increase the efficiency of nonlinear conversion.At the incident pumping power of 92.4 W,the output power of polarized blue laser is 887 mW,the peak power of blue laser is 17.7 kW,and the pulse width is 50 ns,corresponding to an optical-to-optical conversion efficiency of 0.96%.

关 键 词：47nm蓝光激光器 Nd∶YAP晶体 三倍频 电光调Q 

分 类 号：TN248.1[电子电信—物理电子学]