A microwave two-wave interferometer for plasma diagnostics |
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Authors: | D A Nagornyi A G Nagornyi |
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Affiliation: | 1.Institute of Applied Physics,National Academy of Sciences of Ukraine,Sumy,Ukraine |
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Abstract: | The scheme and the main elements of an interferometer simultaneously operating at frequencies of the 8-and 4-mm ranges are
presented. To combin e two radiations in a common waveguide section and separate them by sending to the corresponding receivers,
a special separation filter has been developed. A homo-dyne technique for transferring phase measurements to an intermediate
frequency is employed in the interferometer. The range of unambiguously measured phase shifts is 1.5°—360°, and the phase-shift
measurement error is within 5%. |
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