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Optics Letters

Optics Letters


  • Vol. 28, Iss. 2 — Jan. 15, 2003
  • pp: 75–77

Measurement of modal dispersion in optical fiber by means of acousto-optic coupling

Qun Li, Pedram Zare Dashti, I.V. Tomov, and H. P. Lee  »View Author Affiliations

Optics Letters, Vol. 28, Issue 2, pp. 75-77 (2003)

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We show that frequency-wavelength tuning characteristics of acousto-optic coupling can be used for measuring the difference of effective index, group index, and chromatic dispersion between core and cladding modes in single-mode fibers. Chromatic dispersion measurements of a 30-cm-long conventional single-mode fiber, a nonzero dispersion-shifted fiber, and a dispersion-compensating fiber with this new method are presented for the wavelength range 1500–1600 nm. Qualitative agreement with independently measured data is obtained.

© 2003 Optical Society of America

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2400) Fiber optics and optical communications : Fiber properties

Qun Li, Pedram Zare Dashti, I.V. Tomov, and H. P. Lee, "Measurement of modal dispersion in optical fiber by means of acousto-optic coupling," Opt. Lett. 28, 75-77 (2003)

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