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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 24 — Aug. 20, 1992
  • pp: 5086–5091

Effect of field regeneration on the TEM00 transmission characteristics of a circular-section waveguide

Richard M. Jenkins and Robert W. J. Devereux  »View Author Affiliations


Applied Optics, Vol. 31, Issue 24, pp. 5086-5091 (1992)
http://dx.doi.org/10.1364/AO.31.005086


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Abstract

The transmission of a 10.6-μm TEM00 beam through a hollow circular-cross-section waveguide is modeled in terms of the excitation and propagation of the two lowest-order circularly symmetric EH1n modes. At points along the guide axis where the modes are in phase the TEM00 input field is shown to be regenerated, but midway between these points, transverse-mode profiles that have a doughnut shape are produced. It is proposed that these dramatic field variations should cause variations in the effective attenuation coefficient along the length of the waveguide. The first direct experimental measurements to our knowledge of the guide-length-dependent attenuation characteristics of a 1.0-mm-bore hollow silica waveguide support this hypothesis by revealing a strong periodic component in addition to the anticipated exponential decay.

© 1992 Optical Society of America

History
Original Manuscript: August 6, 1991
Published: August 20, 1992

Citation
Richard M. Jenkins and Robert W. J. Devereux, "Effect of field regeneration on the TEM00 transmission characteristics of a circular-section waveguide," Appl. Opt. 31, 5086-5091 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-24-5086

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