Abstract
We report a 10-GHz frequency comb generated by filtering a 333.3-MHz OPO frequency comb with a Fabry-Perot (FP) cavity, which was directly stabilized to the incident fundamental comb. This result is supported by a detailed analysis of the Vernier-effect-induced multiple peaks in the transmitted comb power as the FP cavity spacing is detuned. Modes of the generated 10-GHz comb were clearly resolved by a Fourier transform spectrometer with a spectral resolution of 830 MHz, considerably better than the Nyquist sampling limit. The potentially broad tuning range of this mode-resolved OPO frequency comb opens unique opportunities for precise frequency metrology and high-precision spectroscopy. (C) 2015 Optical Society of America
Original language | English |
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Pages (from-to) | 2692-2695 |
Number of pages | 4 |
Journal | Optics Letters |
Volume | 40 |
Issue number | 12 |
DOIs | |
Publication status | Published - 2 Jun 2015 |
Keywords
- QUANTUM CASCADE LASER
- PRECISION SPECTROSCOPY
- MU-M
- CALIBRATION
- ABSORPTION
- N2O