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《Journal of Chongqing Normal University(Natural Science)》 2018-04
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Experimental Study of LD Dual End-Pumping Nd:YAG Laser

FAN Siqiang;Key Laboratory of Photoelectric Material and Engineering,Chongqing Normal University;  
[Purposes]Experimental study on the Nd:YAG laser of double end pump is conducted.[Methods]Innovative proposed to the YAG laser crystal structure of the double pump,the conduction cooling and water cooling both been used in YAG crystal and the thermal dissipation structure been designed.The distribution inside of crystal thermal under the double pumping been analyzed,and within the crystals on the numerical simulation on temperature field distribution.The laser gain dielectric Nd:YAG was cooled by a U-type parallel flat cavity structure.[Findings]The maximum output power is 22.30 W when the total pump was 33.8 W.Lightlight conversion efficiency of oblique was 71.2%,and the threshold power is 6.68 W.The output beam was the base model and the M2 was 1.4.[Conclusions]Experiments show that double end-pumped YAG laser has a strong practical value with its higher conversion and better beam quality.
【Fund】: 重庆市教育委员会应用基础研究项目(No.KJ1600311;No.KJ130636);; 重庆市科学技术委员会前沿基础研究项目(No.cstc2014jcyjA70005);; 重庆市高校创新团队计划(No.CXTDX201601016);; 重庆师范大学博士启动项目(No.16XLB004)
【CateGory Index】: TN248
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