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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 9, Iss. 2 — Jun. 25, 2005
  • pp: 54–58

Mode Analysis and Modal Delay Measurement of a Few-Mode Fiber by Using Optical Frequency Domain Reflectometry

Tae-Jung Ahn, Sucbei Moon, Youngchun Youk, Yongmin Jung, Kyunghwan Oh, and Dug Young Kim  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 9, Issue 2, pp. 54-58 (2005)

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A novel mode analysis method and differential mode delay measurement technique for a multimode optical fiber based on optical frequency domain reflectometry has been proposed for the first time. We have used a conventional OFDR with a tunable external cavity laser and a Michelson interferometer. A few-mode optical multimode fiber was prepared to test our proposed measurement technique. The differential mode delay (DMD) of the sample fiber was measured to be 16.58 ps/m with a resolution of 1.5 ps/m. We have also compared the OFDR measurement results with those obtained using a traditional time-domain measurement method.

© 2005 Optical Society of Korea

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(120.3180) Instrumentation, measurement, and metrology : Interferometry

Original Manuscript: March 15, 2005
Revised Manuscript: May 9, 2005
Published: June 1, 2005

Tae-Jung Ahn, Sucbei Moon, Youngchun Youk, Yongmin Jung, Kyunghwan Oh, and Dug Young Kim, "Mode Analysis and Modal Delay Measurement of a Few-Mode Fiber by Using Optical Frequency Domain Reflectometry," J. Opt. Soc. Korea 9, 54-58 (2005)

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