We demonstrated the phase-locking and continuous tuning capabilities of a continuous-wave, monolithic optical parametric oscillator (cw-OPO). At first, the cw-OPO was phase-locked to an optical frequency comb in the 830 nm region. The residual phase noise under phase-locking was 220 mrad in rms and the energy concentration to the carrier was 95%. Next, the signal light from the cw-OPO was phase-modulated by an external electrooptic modulator (EOM) in the microwave frequency. The single sideband was extracted by using a diffraction grating and a spatial filter. We could observe the Doppler broadened absorption and fluorescence profile of the Cs-D/sub 2/ line by tuning the signal wavelength to 852 nm and by scanning the microwave modulation frequency. We are trying the sub-Doppler spectroscopy of several atoms and molecules with the phase-locked cw-OPO and these results will also be presented.


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    Title :

    Atomic and molecular spectroscopy with a phase-locked, continuous-wave optical parametric oscillator


    Contributors:
    Ikegami, T. (author) / Inaba, H. (author) / Ohshima, S. (author)

    Published in:

    Publication date :

    2005-01-01


    Size :

    1037661 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





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