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  • 1
    Electronic Resource
    Electronic Resource
    A 28 μm water-vapor laser interferometer for plasma diagnostics (1983)
    Springer
    International journal of infrared and millimeter waves 4 (1983), S. 549-559 
    Details
    ISSN: 1572-9559
    Keywords: interferometer ; polarimeter ; water-vapor laser ; far-infrared ; plasma diagnostics ; compact toroid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A high-power CW 27.972 μm water-vapor laser has been developed for interferometric and polarimetric measurements of plasmas. The maximum output power and the power density in the cavity of the laser with 2.0 cm bore and 220 cm length reach 85 mW and 109 μW/cm3, respectively. An interferometer using this laser is constructed and its performance is examined as a study on polarimetric method of magnetic field measurement. Preliminary interferometric experiments are also carried out on a compact toroidal plasma with field-reversal configuration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01009394
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A heterodyne interferometric polarimeter with 28μm H2O laser for Faraday rotation measurement (1984)
    Springer
    International journal of infrared and millimeter waves 5 (1984), S. 1039-1052 
    Details
    ISSN: 1572-9559
    Keywords: H2O laser ; Faraday rotation ; polarimetry ; far-infrared ; plasma diagnostics ; compact toroid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A fast response frequency-modulated interferometric polarimeter was designed and constructed with a single 28 μm H2O laser for high density plasma diagnostics. This newly developed modulation system employs an electro-magnetically driven movable mirror to achieve the modulation frequency beyound 1 MHz for about 100 μs duration. The movable mirror performance is studied experimentally in detail. The determination of the Faraday rotation angle is based on the zero-crossing method for the observed beat signals produced by two kinds of rotating plane-polarized waves. The feasibility of the polarimeter constructed was verified in experiments of a field-reversed thetapinch plasma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01009592
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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