A Wide Spaced Femtosecond Ti:Sapphire Frequency Comb at 15 GHz by a Fabry–Pérot Filter Cavity
HOU Lei, HAN Hai-Nian** , ZHANG Jin-Wei, LI De-Hua, WEI Zhi-Yi**
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190
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.
收稿日期: 2013-05-10
出版日期: 2013-11-21
:
42.55.Rz
(Doped-insulator lasers and other solid state lasers)
42.60.Da
(Resonators, cavities, amplifiers, arrays, and rings)
42.62.Eh
(Metrological applications; optical frequency synthesizers for precision spectroscopy)
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