| 水热法KTP在355nm紫外激光器中的应用研究 |
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| 引用本文： | 潘俊,朱思祁,陈振强,阳其国,王苏娥.水热法KTP在355nm紫外激光器中的应用研究[J].激光与光电子学进展,2012(8):131-134. |
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| 作者姓名： | 潘俊 朱思祁 陈振强 阳其国 王苏娥 |
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| 作者单位： | 暨南大学光电工程研究所;暨南大学光电信息与传感技术广东普通高校重点实验室 |
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| 基金项目： | 广东省省部产学研项目(2009B091300072,2010B090500022,2009B090600040);中央高校基本科研业务费专项(21611515)资助课题 |
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| 摘 要： | 使用水热法KTP晶体实现了355nm紫外激光输出。实验中采用声光调Q技术,选用模体值大的V形谐振腔结构,对激光二极管(LD)侧抽运Nd…YAG模块产生的基波,分别利用水热法KTP晶体二倍频、LBO晶体三倍频,获得了高功率、高光束质量的355nm紫外激光输出。当抽运功率为93.09W,重复频率为4.9kHz时,获得4.133W的紫外355nm激光输出,光-光转换效率为4.44%。
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| 关 键 词： | 激光器 水热法KTP 紫外激光器 声光调Q 内腔三倍频 |
Application of Hydrothermal KTP in LD Side Pumped Nd…YAG Internally Frequency Tripled 355 nm Laser |
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| Affiliation: | Pan Jun1 Zhu Siqi1 Chen Zhenqiang1,2 Yang Qiguo1 Wang Su′e11Institute of Optoelectronic Engineering,Jinan University,Guangzhou,Guangdong 510632,China2Key Laboratory of Optoelectronic Information and Sensing Technologies,Guangdong Higher EducationInstitutes,Jinan University,Guangzhou,Guangdong 510632,China |
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| Abstract: | A 355 nm ultraviolet laser with hydrothermal KTP is demonstrated.A high power ultraviolet laser with high beam quality at 355 nm is obtained by internally frequency tripling of a diode side-pumped acousto-optic(AO) Q-switched Nd…YAG laser.Type II phase-matched hydrothermal KTP and LBO crystals are used for the second harmonic generation and the third harmonic generation,severally.Using the V-shaped resonator cavity,under the pump power of 93.09 W,4.133 W average output power at 355 nm is obtained at 4.9 kHz,corresponding to the pump-to-ultraviolet conversion efficiency of 4.44%. |
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| Keywords: | laser hydrothermally grown KTP ultraviolet laser acousto-optic Q-switch intracavity frequency tripling |
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