Frequency measurement of sub-millimetre wavelength laser lines using Josephson junctions

M. C. Wicks

doi:10.1117/12.2298571

30 August 1993 Frequency measurement of sub-millimetre wavelength laser lines using Josephson junctions

M. C. Wicks

Proceedings Volume 2104, 18th International Conference on Infrared and Millimeter Waves; 21043V (1993) https://doi.org/10.1117/12.2298571
Event: 18th International Conference on Infrared and Millimeter Waves, 1993, Colchester, United Kingdom

Abstract

Thin film Josephson junctions have been used as harmonic mixers to measure the frequency ofsubmillimetre wavelength laser lines. The highest frequency measured so far is 3.1THz. The need tomeasure frequencies in this spectral region arises from the measurement standards requirement to relateoptical and near optical frequency standards, used for frequency and length measurement, tomicrowave primary frequency standards. Information on submillimetre wave frequencies is alsoimportant to spectroscopists and other workers in what is likely to be an increasingly exploited partof the electromagnetic spectrum.

Citation Download Citation

M. C. Wicks "Frequency measurement of sub-millimetre wavelength laser lines using Josephson junctions", Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 21043V (30 August 1993); https://doi.org/10.1117/12.2298571

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