用于痕量气体检测的宽调谐外腔量子级联激光器研究
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摘要
研究基于闪耀光栅的Littrow外腔量子级联激光器,设计一种改进型Littrow外腔腔型,实现了小型化样机研制。测试结果表明,输出激光波长调谐范围1317cm~(–1)(7.593μm)至983cm~(–1)(10.173μm),最大平均功率17.7m W,激光线宽小于1cm~(–1),功率稳定性优于0.5%(4h),波长稳定性优于0.12cm~(–1)(5.4h)。样机激光头尺寸76mm×54mm×50mm,部分技术指标优于国外商业产品。
The external cavity quantum cascade laser based on the blazing grating in a Littrow configuration is studied in this paper, an improved Littrow external cavity shape is designed and the miniaturized laser prototype is realized.Test results show that the prototype has a tunable wavelength range of 1317 cm~(–1)(7.593μm) to 983 cm~(–1)(10.173μm), its maximum average power is 17.7 mW, its laser line width is less than 1 cm~(–1), its power stability is better than 0.5% in 4 hours, and its wavelength stability is better than 0.12 cm~(–1) in 5.4 hours. The laser head dimensions are 76 mm×54 mm×50 mm, and part of the technical indexes are better than foreign commercial products.
The external cavity quantum cascade laser based on the blazing grating in a Littrow configuration is studied in this paper, an improved Littrow external cavity shape is designed and the miniaturized laser prototype is realized.Test results show that the prototype has a tunable wavelength range of 1317 cm~(–1)(7.593μm) to 983 cm~(–1)(10.173μm), its maximum average power is 17.7 mW, its laser line width is less than 1 cm~(–1), its power stability is better than 0.5% in 4 hours, and its wavelength stability is better than 0.12 cm~(–1) in 5.4 hours. The laser head dimensions are 76 mm×54 mm×50 mm, and part of the technical indexes are better than foreign commercial products.
引文
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[17]Lyakh A,Barron-Jimenez R,Dunayevskiy I,et al.External Cavity Quantum Cascade Lasers with Ultra-rapid Acousto-optic Tuning[J].Appl.Phys.Lett.,2015,106:141101.
[18]Xie F,Caneau C,Leblanc H,et al.Ultra-broad Gain Quantum Cascade Lasers Tunable from 6.5 to 10.4μm[J].Optics Letters,2015,40(17):4158-4161.
[19]Zhang Jinchuan,Wang Lijun,Liu Wanfeng,et al.Room-temperature Continuous-wave Operation of a Tunable External Cavity Quantum Cascade Laser[J].CHIN.PHYS.LETT.,2011,28(7):074203.
[20]Zhao Zhibin,Wang Lijun,Jia Zhiwei,et al.Low-threshold External-cavity Quantum Cascade Laser around 7.2μm[J].Optical Engineering,2016,55(4):046116.
[21]Liu Chuanwei,Zhang Jinchuan,Yan Fangliang,et al.External Cavity Tuning of Coherent Quantum Cascade Laser Array Emitting at~7.6μm[J].CHIN.PHYS.LETT.,2017,34(3):034209.
[22]谭松.应用于痕量气体检测的量子级联激光器研究[D].北京:清华大学,2014.Tan Song.Research on Quantum Cascade Laser for Its Application in Trace Gas Detection[D].Beijing:Tsinghua University,2014.
[23]Luo Wei,Duan Chuanxi.A Broadband Pulsed External-cavity Quantum Cascade Laser Operating near 6.9μm[J].CHIN.PHYS.LETT.,2016,33(2):024207.
[2]李祥.基于量子级联激光器微量气体检测系统的设计[D].成都:电子科技大学,2013.Li Xiang.Design of Trace Gas Detection System Based on the Quantum Cascade Lasers[D].Chengdu:University of Electronic Science and Technology of China,2013.
[3]党敬民.基于QCL的红外一氧化碳检测系统研究[D].长春:吉林大学,2016.Dang Jingmin.Study on Quantum Cascade Laser Based Detection System for Carbon Monoxide[D].Changchun:Jilin University,2016.
[4]Luo G P,Peng C,Le H Q,et al.Grating-tuned External-cavity Quantum-cascade Semiconductor Lasers[J].Appl.Phys.Lett.,2001,78:2834-2836.
[5]Maulini R,Beck M,Faist J,et al.Broadband Tuning of External Cavity Bound-to-continuum Quantum-cascade Lasers[J].Appl.Phys.Lett.,2004,84(10):1659-1661.
[6]Maulini Richard,Yarekha Dmitri A,Bulliard Jean-Marc,et al.Continuous-wave Operation of Abroadly Tunable Thermoelectrically Cooled External Cavity Quantum-cascade Laser[J].Optics Letters,2005,30(19):2584-2586.
[7]Maulini R,Mohan A,Giovannini M,et al.External Cavity Quantum-cascade Laser Tunable from 8.2 to 10.4μm Using an Inhomogenously Broadened Gain Element[C]//2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference,2006.
[8]Wysocki G,Curl R F,Tittel F K,et al.Widely Tunable,High Power,Mode-hop Free,CW External Cavity Quantum Cascade Laser at 8.4μm[C]//Conference on Lasers and Electro-Optics,2007.
[9]Mohan A,Wittmann A,Hugi A,et al.Room-temperature Continuous-wave Operation of an External-cavity Quantum Cascade Laser[J].Optics Letters,2007,32(19):2792-2794.
[10]Wysocki G,Lewicki R,Curl R F,et al.Widely Tunable Mode-hop Free External Cavity Quantum Cascade Lasers for High Resolution Spectroscopy and Chemical Sensing[J].Applied Physics B,2008,92(3):305-311.
[11]Hugi A,Terazzi R,Bonetti Y,et al.External Cavity Quantum Cascade Laser Tunable from 7.6 to 11.4μm[J].Appl.Phys.Lett.,2009,95:061103.
[12]Hugi A,Wittmann A,Bonetti Y,et al.Broadband External Cavity Quantum Cascade Laser[C]//European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference,2009.
[13]Dougakiuchi Tatsuo,Fujita Kazuue,Edamura Tadataka,et al.Broadband Continuous-wave Tuning of External Cavity Anticrossed Dual-upper-state Quantum Cascade Lasers[C]//Proc.of SPIE,2012,8277:82770V.
[14]Dougakiuchi Tatsuo,Fujita Kazuue,Sugiyama Atsushi,et al.Broadband Tuning of Continuous Wave Quantum Cascade Lasers in Long Wavelength(>10μm)Range[J].Optics Express,2014,22(17):19930-19935.
[15]Centeno R,Marchenko D,Mandon J,et al.High Power,Widely Tunable,Mode-hop Free,Continuous Wave External Cavity Quantum Cascade Laser for Multi-species Trace Gas Detection[J].Appl.Phys.Lett.,2014,105:261907.
[16]Revin D G,Hemingway H,Vaitiekus D,et al.Continuous Wave Room Temperature External Ring Cavity Quantum Cascade Laser[J].Appl.Phys.Lett.,2015,106:261102.
[17]Lyakh A,Barron-Jimenez R,Dunayevskiy I,et al.External Cavity Quantum Cascade Lasers with Ultra-rapid Acousto-optic Tuning[J].Appl.Phys.Lett.,2015,106:141101.
[18]Xie F,Caneau C,Leblanc H,et al.Ultra-broad Gain Quantum Cascade Lasers Tunable from 6.5 to 10.4μm[J].Optics Letters,2015,40(17):4158-4161.
[19]Zhang Jinchuan,Wang Lijun,Liu Wanfeng,et al.Room-temperature Continuous-wave Operation of a Tunable External Cavity Quantum Cascade Laser[J].CHIN.PHYS.LETT.,2011,28(7):074203.
[20]Zhao Zhibin,Wang Lijun,Jia Zhiwei,et al.Low-threshold External-cavity Quantum Cascade Laser around 7.2μm[J].Optical Engineering,2016,55(4):046116.
[21]Liu Chuanwei,Zhang Jinchuan,Yan Fangliang,et al.External Cavity Tuning of Coherent Quantum Cascade Laser Array Emitting at~7.6μm[J].CHIN.PHYS.LETT.,2017,34(3):034209.
[22]谭松.应用于痕量气体检测的量子级联激光器研究[D].北京:清华大学,2014.Tan Song.Research on Quantum Cascade Laser for Its Application in Trace Gas Detection[D].Beijing:Tsinghua University,2014.
[23]Luo Wei,Duan Chuanxi.A Broadband Pulsed External-cavity Quantum Cascade Laser Operating near 6.9μm[J].CHIN.PHYS.LETT.,2016,33(2):024207.