| 双腔法布里-珀罗腔透射特性 |
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| 引用本文： | 陈明睿, 毕思文, 豆西博. 双腔法布里-珀罗腔透射特性[J]. 强激光与粒子束, 2010, 22(08). |
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| 作者姓名： | 陈明睿 毕思文 豆西博 |
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| 作者单位： | 1.中国科学院 西安光学精密机械研究所, 瞬态光学与光子技术国家重点实验室, 西安 71 01 1 9;;;2.中国科学院 研究生院, 北京 1 00039 |
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| 摘 要： | 基于单腔和双腔结构的法布里-珀罗（F-P）腔透射光强度公式，研究了单腔F-P结构的镜面反射率与腔长对透射谱线的影响；在总腔长相同时，模拟分析了单腔、对称及非对称双腔的透射光谱特性；分析了镜面反射率对非对称双腔F-P结构透射光谱的影响。结果表明：无论单腔还是双腔的F-P结构，镜面反射率增加导致输出峰的峰值半高宽（FWHM）减小；腔长度增加会导致输出谐振峰间距减小，而通过调节腔长比例系数和选择镜面反射率，总长度相同的双腔能在不减小主谐振峰透射率的同时增加谱线间距。最后，讨论了镜面反射率对输出谱线FWHM以及腔长微小形变对中心谐振峰的位置、FWHM和透射率的影响。
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| 关 键 词： | 法布里-珀罗腔 双腔结构 透射率 自由光谱范围 峰值半高宽 |
Transmission characteristics of two-cavity Fabry-Perot structure |
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| chen mingrui, bi siwen, dou xibo. Transmission characteristics of two-cavity Fabry-Perot structure[J]. High Power Laser and Particle Beams, 2010, 22. |
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| Authors: | chen mingrui bi siwen dou xibo |
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| Affiliation: | 1. State Key Laboratory of Transient Optics and Photonics,Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi’an 710119,China;;;2. Graduate University of Chinese Academy of Sciences,Beijing 100049,China |
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| Abstract: | A two-cavity Fabry-Perot(F-P) structure is compared to the conventional F-P structure. The characteristics of transmission spectra for the conventional and the two-cavity F-P structures are theoretically analyzed. Based on the theoretical analysis, the transmission spectra of conventional, symmetric and asymmetric two-cavity F-P structures are simulated, and the results are discussed. The results show that, while the increase of the cavity length of a conventional F-P structure results in multiple resonant peaks on both sides of the main peak, the two-cavity F-P structures of the same total length can improve spectral range effectively and keep the main peak without degrading the performance through proper design of the mirror reflectivity and cavity lengths. The mirror reflectivity also |
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| Keywords: | fabry-perot cavity two-cavity structure transmissivity free spectral range full width at half maximum |
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