| 可调谐振幅压缩光的产生及其在频率调制光谱中的应用 |
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| 引用本文： | 王军民,贺凌翔,刘涛,张天才,彭堃墀. 可调谐振幅压缩光的产生及其在频率调制光谱中的应用[J]. 光学学报, 2001, 21(5): 25-529 |
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| 作者姓名： | 王军民 贺凌翔 刘涛 张天才 彭堃墀 |
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| 作者单位： | 山西大学光电研究所, |
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| 基金项目： | 国家自然科学基金! (197740 39、6 98370 10 )，山西省青年科学基金! (9710 12 )资助项目 |
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| 摘 要： | 通过半导体激光器的注入锁定，产生了频率可在铯原子D2线附近（852。356nm)连续调谐约1GHz以上、压缩度约为0．8dB的振幅压缩光；将其应用在铯饱和蒸气样品的频率调制光谱的演示测量中，信噪比较散粒噪声极限提高了约0．7dB。
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| 关 键 词： | 振幅压缩光场 半导体激光器 注入锁定 频率调制光谱 信噪比 连续调谐 量子光学 |
Generation of Frequency-Tunable Amplitude-Squeezed-Light and Application in FM Spectroscopy Measurement |
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| Wang Junmin He Lingxiang Liu Tao Zhang Tiancai Peng Kunchi. Generation of Frequency-Tunable Amplitude-Squeezed-Light and Application in FM Spectroscopy Measurement[J]. Acta Optica Sinica, 2001, 21(5): 25-529 |
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| Authors: | Wang Junmin He Lingxiang Liu Tao Zhang Tiancai Peng Kunchi |
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| Abstract: | The frequency tunable amplitude squeezed light of the continuous tunable range over 1 GHz around the D 2 line of Cesium (Cs) at 852.356 nm and the squeezing degree about 0.8 dB was experimentally generated with an injection locked laser diode. The amplitude squeezed light was applied in the frequency modulation (FM) spectroscopy measurement of Cs saturated vapor, the signal to noise ratio (SNR) of which was improved about 0.7 dB relative to the shot noise limit (SNL). |
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| Keywords: | amplitude squeezed light laser diode injection locking frequency modulation spectroscopy signal to noise ratio |
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