{"title":"基于MgO:PPLN晶体的光纤激光泵浦高功率中红外光学参量振荡器","authors":"He Yang, Chen Fei, Wang Haohua, Jia Yanhui","doi":"10.11884/HPLPB202133.210308","DOIUrl":null,"url":null,"abstract":"To achieve high-power mid-infrared laser output with high efficiency, the optical parametric oscillator (OPO) based on MgO:PPLN crystal is researched. The pump source is linearly polarized Yb-doped fiber laser (YDFL) with master oscillator power amplifier (MOPA) structure. Experimental results indicate that the YDFL can realize the pulse linearly polarized laser with the highest power of 79.1 W at 1064.1 nm. With the pump laser, the OPO obtains the maximum MIR power of 9.15 W at 3.754 µm by optimizing the curvature radius of output coupler and the pump waist diameter. The corresponding optical-to-optical conversion efficiency is 11.57%. The repetition rate and the pulse width of mid-infrared laser are 300 kHz and ～110 ns, respectively.","PeriodicalId":39871,"journal":{"name":"强激光与粒子束","volume":"33 1","pages":"1-5"},"PeriodicalIF":0.0000,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Fiber-laser-pumped high-power mid-infrared optical parametric oscillator based on MgO:PPLN crystal\",\"authors\":\"He Yang, Chen Fei, Wang Haohua, Jia Yanhui\",\"doi\":\"10.11884/HPLPB202133.210308\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"To achieve high-power mid-infrared laser output with high efficiency, the optical parametric oscillator (OPO) based on MgO:PPLN crystal is researched. The pump source is linearly polarized Yb-doped fiber laser (YDFL) with master oscillator power amplifier (MOPA) structure. Experimental results indicate that the YDFL can realize the pulse linearly polarized laser with the highest power of 79.1 W at 1064.1 nm. With the pump laser, the OPO obtains the maximum MIR power of 9.15 W at 3.754 µm by optimizing the curvature radius of output coupler and the pump waist diameter. The corresponding optical-to-optical conversion efficiency is 11.57%. The repetition rate and the pulse width of mid-infrared laser are 300 kHz and ～110 ns, respectively.\",\"PeriodicalId\":39871,\"journal\":{\"name\":\"强激光与粒子束\",\"volume\":\"33 1\",\"pages\":\"1-5\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-11-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"强激光与粒子束\",\"FirstCategoryId\":\"1089\",\"ListUrlMain\":\"https://doi.org/10.11884/HPLPB202133.210308\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Engineering\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"强激光与粒子束","FirstCategoryId":"1089","ListUrlMain":"https://doi.org/10.11884/HPLPB202133.210308","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Engineering","Score":null,"Total":0}
Fiber-laser-pumped high-power mid-infrared optical parametric oscillator based on MgO:PPLN crystal
To achieve high-power mid-infrared laser output with high efficiency, the optical parametric oscillator (OPO) based on MgO:PPLN crystal is researched. The pump source is linearly polarized Yb-doped fiber laser (YDFL) with master oscillator power amplifier (MOPA) structure. Experimental results indicate that the YDFL can realize the pulse linearly polarized laser with the highest power of 79.1 W at 1064.1 nm. With the pump laser, the OPO obtains the maximum MIR power of 9.15 W at 3.754 µm by optimizing the curvature radius of output coupler and the pump waist diameter. The corresponding optical-to-optical conversion efficiency is 11.57%. The repetition rate and the pulse width of mid-infrared laser are 300 kHz and ～110 ns, respectively.
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