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题名:
Continuous-wave cavity ring-down technique for accurate measurement of high reflectivity
作者: Yuan Gong ; Bincheng Li
刊名: Frontiers of Optoelectronics in China
出版日期: 2008
卷号: 1, 期号:41641, 页码:168-172
学科分类: 光学薄膜技术
文章类型: 期刊论文
中文摘要: A continuous-wave cavity ring-down (CW-CRD) technique employing a broadband diode laser is developed for high reflectivity measurement. The theory of square-wave modulated CW-CRD is presented. The spectrum of the broadband CW diode laser covers numerous free spectral ranges (FSRs) so that sufficient laser power is coupled into the cavity. Both amplitude and phase-shift of the first harmonic of the CRD signal, measured at an appropriate frequency range, are detected by a lock-in method and fitted to obtain the ring-down time and reflectivity. The measurements are repeated with five different cavity lengths and all the fitted reflectivities are in excellent agreement, indicating a high reliability of the CW-CRD technique. The reflectivity of the cavity mirror is determined statistically to be 99.70%, with an uncertainty of 0.01%.
收录类别: 其他
语种: 英语
ISSN号: 1674-4128
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2075
Appears in Collections:薄膜光学技术研究室(十一室)_期刊论文

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Recommended Citation:
Yuan Gong,Bincheng Li. Continuous-wave cavity ring-down technique for accurate measurement of high reflectivity[J]. Frontiers of Optoelectronics in China,2008,1(41641):168-172.
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