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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 7 — Jul. 1, 2012
  • pp: 070609–070609

Modal interferometer based on tapering single-mode-multimode-single-mode f iber structure by hydrogen flame

Ying Zhang, Weiwen Zou, Xinwan Li, Jingwei Mao, Wenning Jiang, and Jianping Chen  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 7, pp. 070609-070609 (2012)


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Abstract

A modal interferometer is experimentally demonstrated based on tapering a single-mode-multimode-single-mode (SMS) fiber structure heated by hydrogen flame. The interference fringe begins to form when tapering length is 19.8 mm, and becomes regular and clear when the tapering length is longer and the tapered waist diameter is smaller. Annealing process is undertaken to achieve a high extension ratio of approximately 17 dB with free spectral range of 1.5 nm when the tapering length is 33 mm and the tapered waist diameter is approximately 5 μm. The temperature and axial strain dependences of the tapered SMS structure are characterized, and the measured temperature and strain coefficients are +7 pm/°C and -9.536 pm/με, respectively.

© 2012 Chinese Optics Letters

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(230.4000) Optical devices : Microstructure fabrication
(130.3990) Integrated optics : Micro-optical devices

ToC Category:
Fiber Optics and Optical Communications

Citation
Ying Zhang, Weiwen Zou, Xinwan Li, Jingwei Mao, Wenning Jiang, and Jianping Chen, "Modal interferometer based on tapering single-mode-multimode-single-mode f iber structure by hydrogen flame," Chin. Opt. Lett. 10, 070609-070609 (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-7-070609

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