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In-fiber quasi-Michelson interferometer with a core–cladding-mode fiber end-face mirror |
Applied Optics, Vol. 52, Issue 7, pp. 1441-1447 (2013)
http://dx.doi.org/10.1364/AO.52.001441
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Abstract
An in-fiber quasi-Michelson interferometer working on reflection is proposed and experimentally demonstrated. The device consists of a short section of multimode fiber (MMF) followed by a single-mode fiber (SMF) whose end face is terminated by a thick silver film. The MMF excites cladding modes into downstream SMF via the mismatched-core splicing interface. The core–cladding modes are reflected back by the silver film and recoupled to the core of lead-in SMF through the MMF. A well-defined interference pattern is obtained as the result of core–cladding mode interference. A configuration with a 40 mm pigtail SMF at a wavelength of 1528 nm exhibits a water level sensitivity of
© 2013 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
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: November 21, 2012
Revised Manuscript: January 27, 2013
Manuscript Accepted: January 29, 2013
Published: February 26, 2013
Citation
Qiangzhou Rong, Xueguang Qiao, Yanying Du, Dingyi Feng, Ruohui Wang, Yue Ma, Hao Sun, Manli Hu, and Zhongyao Feng, "In-fiber quasi-Michelson interferometer with a core–cladding-mode fiber end-face mirror," Appl. Opt. 52, 1441-1447 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-7-1441
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