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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 15 — Aug. 1, 1985
  • pp: 2351–2354

Measuring cutoff wavelength of HE21, TE01, and TM01 modes: a novel method using single-polarization launching

Yasuyuki Kato and Mitsuru Miyauchi  »View Author Affiliations


Applied Optics, Vol. 24, Issue 15, pp. 2351-2354 (1985)
http://dx.doi.org/10.1364/AO.24.002351


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Abstract

A new method for measuring the cutoff wavelength of HE21, TE01, and TM01 modes in single-mode fibers is reported. The method is based on the difference in polarization between the HE11 and second-order modes launched in the offset condition. A single-polarization fiber several meters in length is used as a launching fiber to eliminate cladding mode disturbance and realize linear polarization launching into a test fiber. Good agreement between theoretical and measured cutoff wavelengths for fibers with various refractive-index profiles confirms the high accuracy of the method. A resolution of ±0.005 μm is attained with the method.

© 1985 Optical Society of America

History
Original Manuscript: December 22, 1984
Published: August 1, 1985

Citation
Yasuyuki Kato and Mitsuru Miyauchi, "Measuring cutoff wavelength of HE21, TE01, and TM01 modes: a novel method using single-polarization launching," Appl. Opt. 24, 2351-2354 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-15-2351

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