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| A Monolithic Scheme Based Femtosecond Optical Frequency Comb Covering 633nm Wavelength |
| LIANG Zhi-guo1,WEI Zhi-yi2,HAN Hai-nian2,ZHANG Da-peng1,YE Peng2,WU Teng-fei1 |
1.Science and Technology on Metrology and Calibration Laboratory, Changcheng Institute of Metrology and Measurement, Beijing 100095,China;
2.Physics Institute of Chinese Academy of Science , Beijing 100084,China |
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Abstract Femtosecond optical frequency comb is considered as a precise gear between the optical frequency and radio frequency. Both self reference phase lock optical frequency combs and monolithic scheme laser combs are compared, the former has wider spectrum and uglier stability, but the other has better stability and thinner spectrum. Based on the monolithic scheme laser comb, through compressing laser pulse width outside the cavity, then by using photonic crystal fiber widen spectrum, obtain wider spectrum, and the 633nm wavelength is covered, it can be applied to measure the optical frequency including 633nm wavelength.
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2013, Vol. 34 
