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  • CW optically pumped FIR lasers,...  (1)
  • FIR wavelength measurement  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International journal of infrared and millimeter waves 1 (1980), S. 175-194 
    ISSN: 1572-9559
    Keywords: intrinsic silicon ; double semiconductor Fabry-Perot ; CW optically pumped FIR lasers,...
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The far-infrared characteristics of the double silicon etalon Fabry-Perot (FP) reflector are investigated. Measurements are reported at short FIR wavelengths. The low IR and FIR absorption and the high optimum reflectivity of this device allow convenient optimization of the coupling conditions of CW optically-pumped FIR lasers. Three sets of Si F. P. reflectors when chosen to cover complementary regions of the spectrum are adequate to cover between them most of the FIR range Using such a coupler respective output powers of 70 mW and 85 mW are obtained with the 70 μm and 118 μm CH3OH lasers operating on the EH11 mode for ≃16 W pump power injected in the FIR cavity. The variable reflector is also used to determine the unsaturated laser gain.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International journal of infrared and millimeter waves 2 (1981), S. 49-63 
    ISSN: 1572-9559
    Keywords: CW optically pumped FIR laser ; CF2Cl2 (fluorocarbon 12) molecule ; new laser lines ; FIR wavelength measurement ; FIR emission line assignments
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Eleven new CW far infrared (FIR) laser lines have been observed in the 600 μm–1200 μm range from the CF2Cl2 (Fluorocarbon 12) molecule optically pumped by a CO2 laser. A 510−4–10−3 accuracy is achieved in the measurement of the FIR wavelengths. The frequency offset between the CO2 pump center and the absorption line centers are measured using the transferred Lamb dip technique. Owing to a recent spectroscopic study of the CF2 35Cl2 molecule three lines may be assigned with great confidence as rotational transitions in thev 6 vibrational band 923 cm−1 of this main isotope.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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