Journal of the Optical Society of Korea

  • 제9권2호
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  • Pages.54-58
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  • 2005
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  • 1226-4776(pISSN)
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  • 2093-6885(eISSN)
한국광학회 (Optical Society of Korea)
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Mode Analysis and Modal Delay Measurement of a Few-Mode Fiber by Using Optical Frequency Domain Reflectometry

  • Ahn Tae-Jung (Department of Information and Communications, Gwangju Institute of Science and Technology) ;
  • Moon Sucbei (Department of Information and Communications, Gwangju Institute of Science and Technology) ;
  • Youk Youngchun (Department of Information and Communications, Gwangju Institute of Science and Technology) ;
  • Jung Yongmin (Department of Information and Communications, Gwangju Institute of Science and Technology) ;
  • Oh Kyunghwan (Department of Information and Communications, Gwangju Institute of Science and Technology) ;
  • Kim Dug Young (Department of Information and Communications, Gwangju Institute of Science and Technology)
  • 투고 : 2005.03.15
  • 발행 : 2005.06.01
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초록

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.

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참고문헌

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피인용 문헌

  1. Frequency-domain intermodal interferometer for the bandwidth measurement of a multimode fiber vol.45, pp.32, 2006, https://doi.org/10.1364/AO.45.008238
  2. Measurement of Multimode Fiber Bandwidth by the Fourth-Order Spectra of Amplified Spontaneous Emission vol.18, pp.1, 2014, https://doi.org/10.3807/JOSK.2014.18.1.015