High-resolution Doppler-free molecular spectroscopy with a continuous-wave optical parametric oscillator.
We present a reliable, narrow-linewidth (100-kHz) continous-wave optical parametric oscillator (OPO) suitable for high-resolution spectroscopy applications. The singly resonant OPO with a resonated pump is based on periodically poled lithium niobate crystal and features a specially designed intracavity etalon, which permits precise tuning to any desired wavelength in a wide range. We demonstrate Doppler-free spectroscopy of a rovibrational transition of methane at 3.39 mum.
Kovalchuk
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EV
Dekorsy
D
D
Lvovsky
A I
AI
Braxmaier
C
C
Mlynek
J
J
Peters
A
A
Schiller
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S