Far-infrared (FIR) laser operating at 119-micrometer-wavelength transition of methanol achieves very low drift in frequency. Continuous-wave (CW) FIR output is 1.25 W when laser pumped by 125-W commercial CO2 laser. Rate of drift of output frequency less than plus or minus 100 kHz per hour because laser designed to have low thermal-expansion coefficients and because temperatures of input and output couplers held within 0.1 degree C of fixed values.


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    Title :

    Stable 1.25-W CW Methanol Laser


    Contributors:

    Published in:

    Publication date :

    1989-04-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English