Whispering-Mode Waveguide

N. A. Kurnit

doi:10.1117/12.932035

30 December 1981 Whispering-Mode Waveguide

N. A. Kurnit

Proceedings Volume 0288, Los Alamos Conf on Optics '81; (1981) https://doi.org/10.1117/12.932035
Event: Los Alamos Conference on Optics, 1981, Los Alamos, United States

Abstract

Properties of a relatively new type of waveguide structure of potential use for confining infrared radiation to a small mode volume over long path lengths are reviewed. A single guiding surface with curvature radius p and bend radius R allows propagation of a near-grazing incidence "whispering mode" of transverse width ≈ (λρR/π)1/2 and radial width ≈ 1/2 (λ2R)1/3. For sufficiently large p, the loss per revolution for TE-mode propagation is π AN, where AN is the normal-incidence reflection loss. Results on a number of prototype structures in general agreement with these considerations are described.

Citation Download Citation

N. A. Kurnit "Whispering-Mode Waveguide", Proc. SPIE 0288, Los Alamos Conf on Optics '81, (30 December 1981); https://doi.org/10.1117/12.932035

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