中国激光, 2012, 39 (6): 0602001, 网络出版: 2012-05-16   

150 kHz生长型复合NdYVO4/NdGdVO4电光调Q激光器

150 kHz Q-Switched Adhesive-Free Bond Composite NdYVO4/NdGdVO4 Laser
作者单位
长春理工大学理学院, 吉林省固体激光技术与应用重点实验室, 吉林 长春 130022
摘要
报道了一种激光二极管(LD)端面抽运生长型复合晶体的RTP电光调Q激光器,实现了最高重复频率150 kHz的TEM00模激光输出,并且对比了生长型复合NdYVO4和NdGdVO4晶体在高重复频率电光调Q激光器中的表现。实验表明在中小抽运功率下,具有更大发射截面和适中上能级寿命的复合NdYVO4晶体更容易在高重复频率电光调Q运转下实现高峰值功率的窄脉宽激光输出。在高抽运功率下,相比于复合NdYVO4晶体,热性能更加出色的复合Nd:GdVO4晶体更适合作为高重复频率电光调Q运转的激光增益介质。
Abstract
A laser diode (LD) end-pumped RTP electro-optic (E-O) Q-switched adhesive-free bond composite crystal laser TEM00 operating at repetition rate of 150 kHz is reported. Details are compared on performance of high repetition rates E-O Q-switched composite NdYVO4 and NdGdVO4 lasers. The experimental results reveal that under small and medium pump powers, the composite NdYVO4 crystal, compared with the composite NdGdVO4 crystal, has more capability to obtain higher peak power and shorter pulse width output through high repetition rates E-O Q-switched operation, for its larger stimulated emission cross-section and moderate upper-state lifetime. Compared with composite NdYVO4 crystal, composite NdGdVO4 crystal with excellent thermal performance under high pump power is more suitable to be the laser gain medium for high repetition rates E-O Q-switched operation.

刘瑞, 于永吉, 陈薪羽, 王超, 吴春婷, 金光勇. 150 kHz生长型复合NdYVO4/NdGdVO4电光调Q激光器[J]. 中国激光, 2012, 39(6): 0602001. Liu Rui, Yu Yongji, Chen Xinyu, Wang Chao, Wu Chunting, Jin Guangyong. 150 kHz Q-Switched Adhesive-Free Bond Composite NdYVO4/NdGdVO4 Laser[J]. Chinese Journal of Lasers, 2012, 39(6): 0602001.

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