Near-Millimeter Wave Propagation Instrumentation

J. J. Sitterle; R. M. Manning; P. C. Claspy; F. L. Merat

doi:10.1117/12.948279

24 October 1985 Near-Millimeter Wave Propagation Instrumentation

J. J. Sitterle, R. M. Manning, P. C. Claspy, F. L. Merat

Proceedings Volume 0544, Millimeter Wave Technology III; (1985) https://doi.org/10.1117/12.948279
Event: 1985 Technical Symposium East, 1985, Arlington, United States

Abstract

Instrumentation for studying the propagation of near-millimeter waves has been designed and is currently being implemented at a one mile long test site in Sandusky, Ohio. An optically pumped near-millimeter wave (NMM) laser, used as a source of radiation for frequencies near 300GHz, is located at one end of this site. The beamwidth of the laser, at the other end of the propagation path, is controlled by a two-lens optical system placed at the laser's output. The receiver, which is controlled by a 68000 microprocessor,consists of a parabolic reflector, focal plane scanner, and a fast liquid helium cooled InSb detector. Measurement of the characteristics of the received beam is based upon a quasi-optical method. Simultaneously with the propagation measurements, the temperature/humidity atmospheric stru-cture parameters and characteristics of hydrometeors in the path are obtained. These two measurements will then be correlated to provide a meteorologically well-verified propagation model for near-millimeter wavelengths.

Citation Download Citation

J. J. Sitterle, R. M. Manning, P. C. Claspy, and F. L. Merat "Near-Millimeter Wave Propagation Instrumentation", Proc. SPIE 0544, Millimeter Wave Technology III, (24 October 1985); https://doi.org/10.1117/12.948279

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