Beibei Wang, Zhigang Peng, Zhaochen Cheng, Xu Yan, Pu Wang
{"title":"Research on hundred-watt level megahertz femtosecond pulse laser based on rod-type photonic crystal fiber","authors":"Beibei Wang, Zhigang Peng, Zhaochen Cheng, Xu Yan, Pu Wang","doi":"10.1117/12.2603024","DOIUrl":null,"url":null,"abstract":"A hundred-watt chirped pulse amplification (CPA) fiber laser system based on Yb-doped rod-type photonic crystal fiber (PCF) is demonstrated. The seed was an all-fiber dispersion-managed mode-locked oscillator based on chirped fiber bragg grating (CFBG) and semiconductor saturable absorber mirror (SESAM). The oscillator delivers 1.5 ps pulses at a repetition rate of 45 MHz. The output power from the oscillator was 0.9 mW and the central wavelength was 1032 nm. After pulse stretching, pulse picking and amplification, 151 W output power with repetition rate of 1 MHz was achieved by employing a home-made 85/260 μm PCF (Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences). After compression, laser pulses with duration of 616 fs and average power of 102.9 W were obtained. The single pulse energy and peak power were calculated to be 102.9 μJ and 167 MW respectively.","PeriodicalId":330466,"journal":{"name":"Sixteenth National Conference on Laser Technology and Optoelectronics","volume":"6 4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Sixteenth National Conference on Laser Technology and Optoelectronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2603024","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
A hundred-watt chirped pulse amplification (CPA) fiber laser system based on Yb-doped rod-type photonic crystal fiber (PCF) is demonstrated. The seed was an all-fiber dispersion-managed mode-locked oscillator based on chirped fiber bragg grating (CFBG) and semiconductor saturable absorber mirror (SESAM). The oscillator delivers 1.5 ps pulses at a repetition rate of 45 MHz. The output power from the oscillator was 0.9 mW and the central wavelength was 1032 nm. After pulse stretching, pulse picking and amplification, 151 W output power with repetition rate of 1 MHz was achieved by employing a home-made 85/260 μm PCF (Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences). After compression, laser pulses with duration of 616 fs and average power of 102.9 W were obtained. The single pulse energy and peak power were calculated to be 102.9 μJ and 167 MW respectively.
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