A Wide Spaced Femtosecond Ti:Sapphire Frequency Comb at 15 GHz by a Fabry–Pérot Filter Cavity
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Abstract
We realize a wide spaced frequency comb by using an external low-fineness Fabry–Pérot (F-P) cavity to filter few-cycle laser pulses from a Kerr-lens mode-locked Ti:sapphire laser at the fundamental repetition rate of 350 MHz. Mode spacing as wide as 15 GHz with spectrum covered from 690 nm to 710 nm is demonstrated, corresponding to a filter multiple of about 43. The scanning transmission peaks after the F-P cavity with cavity lengths are also simulated numerically, and the results are in agreement with the experiment.
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HOU Lei, HAN Hai-Nian, ZHANG Jin-Wei, LI De-Hua, WEI Zhi-Yi. A Wide Spaced Femtosecond Ti:Sapphire Frequency Comb at 15 GHz by a Fabry–Pérot Filter Cavity[J]. Chin. Phys. Lett., 2013, 30(10): 104203. DOI: 10.1088/0256-307X/30/10/104203
HOU Lei, HAN Hai-Nian, ZHANG Jin-Wei, LI De-Hua, WEI Zhi-Yi. A Wide Spaced Femtosecond Ti:Sapphire Frequency Comb at 15 GHz by a Fabry–Pérot Filter Cavity[J]. Chin. Phys. Lett., 2013, 30(10): 104203. DOI: 10.1088/0256-307X/30/10/104203
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HOU Lei, HAN Hai-Nian, ZHANG Jin-Wei, LI De-Hua, WEI Zhi-Yi. A Wide Spaced Femtosecond Ti:Sapphire Frequency Comb at 15 GHz by a Fabry–Pérot Filter Cavity[J]. Chin. Phys. Lett., 2013, 30(10): 104203. DOI: 10.1088/0256-307X/30/10/104203
HOU Lei, HAN Hai-Nian, ZHANG Jin-Wei, LI De-Hua, WEI Zhi-Yi. A Wide Spaced Femtosecond Ti:Sapphire Frequency Comb at 15 GHz by a Fabry–Pérot Filter Cavity[J]. Chin. Phys. Lett., 2013, 30(10): 104203. DOI: 10.1088/0256-307X/30/10/104203
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