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Optics Letters


  • Vol. 36, Iss. 11 — Jun. 1, 2011
  • pp: 2074–2076

Broadband micro-Michelson interferometer with multi-optical-path beating using a sphered-end hollow fiber

Nan-Kuang Chen, Kuan-Yi Lu, Jow-Tsong Shy, and Chinlon Lin  »View Author Affiliations

Optics Letters, Vol. 36, Issue 11, pp. 2074-2076 (2011)

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We demonstrate a high-sensitivity broadband ( 1250 1650 nm ) fiber micro-Michelson interferometer using a single-mode fiber end-spliced with a sphered-end hollow-core fiber. The hollow core is slightly smaller than the solid core of a single-mode fiber, so the fractional power of the core mode is converted into cladding modes. The excited cladding modes propagate at distinct optical paths along the hollow-core fiber and have individual foci outside the spherical lens. The reflected core mode, generated at the solid core–air interface, and the reflected cladding modes, generated at external material, interfere with each other to produce beating in the interference signals.

© 2011 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(260.3160) Physical optics : Interference
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: February 28, 2011
Revised Manuscript: April 14, 2011
Manuscript Accepted: April 27, 2011
Published: June 1, 2011

Nan-Kuang Chen, Kuan-Yi Lu, Jow-Tsong Shy, and Chinlon Lin, "Broadband micro-Michelson interferometer with multi-optical-path beating using a sphered-end hollow fiber," Opt. Lett. 36, 2074-2076 (2011)

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