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27 March 2008 Improved technique for high precision FSR measurement
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Abstract
It is critical to know the free spectral range (FSR) of an etalon for telecommunication applications. In this paper, we have improved the Pound-Drever-Hall (PDH) based technique for measuring the FSR of an etalon by 2 orders of magnitude. This improved technique results 1 part in 106 precision. To our knowledge this is the most precise measurement of FSR.
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Ibrahim Ozdur, Sarper Ozharar, Franklyn Quinlan, Sangyoun Gee, and Peter Delfyett Jr. "Improved technique for high precision FSR measurement", Proc. SPIE 6975, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications IV, 697507 (27 March 2008); https://doi.org/10.1117/12.783441
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