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  • 1
    Electronic Resource
    Electronic Resource
    New possibilities for frequency stabilization of far infrared lasers (1996)
    Springer
    International journal of infrared and millimeter waves 17 (1996), S. 1181-1192 
    Details
    ISSN: 1572-9559
    Keywords: far infrared laser ; submillimeter wave ; frequency stabilization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: abstract All spectrometers based on the use of a far infrared laser present the drawback of the laser frequency uncertainty. Even if the knowledge of the laser frequency is very precise, a shift of the laser cavity length is always present, limiting the spectrometer frequency accuracy to 500 kHz. The goal of this paper is to give a solution to this drawback in demonstrating the feasibility of a frequency stabilization of the far infrared laser.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02088903
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Compact Tunable Radiation Source at 180–1500 GHz Frequency Range (1999)
    Springer
    International journal of infrared and millimeter waves 20 (1999), S. 1443-1451 
    Details
    ISSN: 1572-9559
    Keywords: BWO ; submillimeterwave ; frequency ; multiplier
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This paper is concerned with development of compact continuously tunable over all the submillimeterwave band (180 – 1500GHz) general purpose radiation source. The source consists of Backward Wave Oscillator (BWO) of the range 180 – 260 GHz or 250 – 375 GHz fixed in a small permanent magnet, followed by specially developed broadband frequency multiplier producing second, third, fourth, fifth and sixth harmonics of BWO fundamental frequency. The conversion losses for all the harmonics are measured. The estimations of output power of the source depending on frequency band are given. The examples of applications are presented in phase lock-in scanning BWO regime.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1021748301525
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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