Abstract
RECENT work has shown that a microwave gas discharge is an efficient harmonic generator1–3. These results are of interest since they show promise of producing a reasonable quantity of power in the 1-mm. wave-length region. This would be extremely useful for spectroscopy, especially if the radiation were narrow-band and coherent. Two experiments have been performed to see whether this is so.
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References
Uenohara, M., et al., Proc. Inst. Rad. Eng., 45, 1419 (1957).
Baird, J. R., and Coleman, P. D., Symposium on Millimetre Waves, Brooklyn Polytechnic (April 1959).
Bierrum, N. R., and Walsh, D., J. Electronics and Control (to be published).
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BIERRUM, N., WALSH, D. & VOKES, J. Coherence and Band-width of a Gas Discharge Harmonic Generator. Nature 186, 626 (1960). https://doi.org/10.1038/186626a0
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DOI: https://doi.org/10.1038/186626a0
