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Atomic and molecular spectroscopy with a continuous-wave, doubly-resonant, monolithic optical parametric oscillator

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3 Author(s)
Ikegami, T. ; Time & Freq. Div., Nat. Metrol. Inst. of Japan, Tsukuba, Japan ; Inaba, H. ; Ohshima, S.

Doppler-broadened atomic and molecular spectra were observed with a 1-octave tunable, continuous-wave, doubly resonant, monolithic optical parametric oscillator (OPO) using 5%-MgO-doped LiNbO3 as a nonlinear crystal. By tuning the frequency of a pump laser, longitudinal mode selection over 20 successive modes, corresponding to a 60 GHz span, was possible. Continuous frequency tuning was achieved using an external waveguide-type electrooptic phase modulator (EOM). We could observe the Cs-D1 (894 nm), Cs-D2 (852 nm), Rb-D1 (795 nm), acetylene R9 (1520 nm) and P9 (1530 nm) transitions with the single monolithic OPO.

Published in:

Frequency and Time Forum (EFTF), 2006 20th European

Date of Conference:

27-30 March 2006