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Optics Letters

Optics Letters


  • Vol. 26, Iss. 22 — Nov. 15, 2001
  • pp: 1764–1766

Multiple beam interference in a quadrupolar glass fiber

Martina Hentschel and Matthias Vojta  »View Author Affiliations

Optics Letters, Vol. 26, Issue 22, pp. 1764-1766 (2001)

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Motivated by the recent observation of periodic filter characteristics of an oval-shaped microcavity, we study the possible interference of multiple beams in the far field of a laser-illuminated quadrupolar glass fiber. From numerical ray-tracing simulations we obtain the interference-relevant length-difference spectrum and compare it with data extracted from the experimental filter results. Our analysis reveals that different polygonal cavity modes that are refractively output coupled in the high-curvature region of the fiber contribute to the observed far-field interference.

© 2001 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(350.2460) Other areas of optics : Filters, interference

Martina Hentschel and Matthias Vojta, "Multiple beam interference in a quadrupolar glass fiber," Opt. Lett. 26, 1764-1766 (2001)

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