| Pulse Wavelength Scan of Room-Temperature Mid-Infrared Distributed Feedback Quantum Cascade Lasers for N2O Gas Detection |
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| 引用本文： | 张永刚 徐刚毅 李爱珍 李耀耀 顾溢 刘盛 魏林. Pulse Wavelength Scan of Room-Temperature Mid-Infrared Distributed Feedback Quantum Cascade Lasers for N2O Gas Detection[J]. 中国物理快报, 2006, 23(7): 1780-1783 |
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| 作者姓名： | 张永刚 徐刚毅 李爱珍 李耀耀 顾溢 刘盛 魏林 |
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| 作者单位： | State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 60136010 and 60406008. |
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| 摘 要： |
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| 关 键 词： | 脉冲波长 反馈 量子叶栅激光器 N2O气体探测 |
| 收稿时间： | 2006-02-08 |
| 修稿时间： | 2006-02-08 |
Pulse Wavelength Scan of Room-Temperature Mid-Infrared Distributed Feedback Quantum Cascade Lasers for N2O Gas Detection |
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| ZHANG Yong-Gang, XU Gang-Yi, LI Ai-Zhen, LI Yao-Yao, GU Yi, LIU Sheng, WEI Lin. Pulse Wavelength Scan of Room-Temperature Mid-Infrared Distributed Feedback Quantum Cascade Lasers for N2O Gas Detection[J]. Chinese Physics Letters, 2006, 23(7): 1780-1783 |
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| Authors: | ZHANG Yong-Gang XU Gang-Yi LI Ai-Zhen LI Yao-Yao GU Yi LIU Sheng WEI Lin |
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| Abstract: | The tunable diode laser absorption spectroscopy under a pulse wavelength scan scheme is adapted to home-made room-temperature mid-infrared distributed feedback quantum cascade lasers; and identification of N2O spectral fingerprint is demonstrated experimentally. By driving the laser at 800ns pulse duration, a wave number tuning of about 1.6cm^-1 is produced, which make both 1289.04cm^-1 and 1289.86cm^-1 absorption fingerprints of N2O gas to be definitely assigned. The measured relative absorption intensity is consistent with the HITRAN data precisely. |
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