Spectrum of unwanted spurious modes generated by flat and phase correcting mirrors in highly oversized He11 and Te01 elbow bends

D. Wagner

doi:10.1117/12.2301545

1 December 1990 Spectrum of unwanted spurious modes generated by flat and phase correcting mirrors in highly oversized HE₁₁ and TE₀₁ elbow bends

D. Wagner

Author Affiliations +

Proceedings Volume 1514, 15th International Conference on Infrared and Millimeter Waves; 15143R (1990) https://doi.org/10.1117/12.2301545
Event: 15th International Conference on Infrared and Millimeter Waves, 1990, Orlando, FL, United States

Abstract

The spectra of forward an backward travelling parasitic modes generated by plane and curved, phase correcting mirrors in highly overmoded HE₁₁ and TE₀₁ corner bends (90°) have been measured using a wavenumber spectrometer (f = 70 GHz, I.D. = 27.79 mm, ka = 20.39). The experimental spectral distributions and the measured power levels in transmitted and reflected undesired spurious modes are in good agreement with theoretical predictions.

Citation Download Citation

D. Wagner "Spectrum of unwanted spurious modes generated by flat and phase correcting mirrors in highly oversized HE₁₁ and TE₀₁ elbow bends", Proc. SPIE 1514, 15th International Conference on Infrared and Millimeter Waves, 15143R (1 December 1990); https://doi.org/10.1117/12.2301545

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