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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 8 — Apr. 15, 2014
  • pp: 2358–2361

All-in-fiber optofluidic sensor fabricated by femtosecond laser assisted chemical etching

Lei Yuan, Jie Huang, Xinwei Lan, Hanzheng Wang, Lan Jiang, and Hai Xiao  »View Author Affiliations

Optics Letters, Vol. 39, Issue 8, pp. 2358-2361 (2014)

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An all-in-fiber prototype optofluidic device was fabricated by femtosecond laser irradiation and subsequent selective chemical wet etching. Horizontal and vertical microchannels can be flexibly created into an optical fiber to form a fluidic cavity with inlets/outlets. The fluidic cavity also functions as an optical Fabry–Perot cavity in which the filled liquid can be probed. The assembly-free microdevice exhibited a fringe visibility of 20 dB and was demonstrated for measurement of the refractive index of the filling liquids. The proposed all-in-fiber optofluidic micro device is attractive for chemical and biomedical sensing because it is flexible in design, simple to fabricate, mechanically robust, and miniaturized in size.

© 2014 Optical Society of America

OCIS Codes
(050.2230) Diffraction and gratings : Fabry-Perot
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: February 13, 2014
Revised Manuscript: March 17, 2014
Manuscript Accepted: March 18, 2014
Published: April 9, 2014

Virtual Issues
Vol. 9, Iss. 6 Virtual Journal for Biomedical Optics

Lei Yuan, Jie Huang, Xinwei Lan, Hanzheng Wang, Lan Jiang, and Hai Xiao, "All-in-fiber optofluidic sensor fabricated by femtosecond laser assisted chemical etching," Opt. Lett. 39, 2358-2361 (2014)

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