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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 17 — Sep. 1, 2013
  • pp: 3433–3436

In-fiber integrated chemiluminiscence online optical fiber sensor

Xinghua Yang, Tingting Yuan, Jun Yang, Biao Dong, Yanxin Liu, Yao Zheng, and Libo Yuan  »View Author Affiliations


Optics Letters, Vol. 38, Issue 17, pp. 3433-3436 (2013)
http://dx.doi.org/10.1364/OL.38.003433


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Abstract

We report an in-fiber integrated chemiluminiscence (CL) sensor based on a kind of hollow optical fiber with a suspended inner core. The path of microfluid is realized by etching microholes for inlets and outlets on the surface of the optical fiber without damaging the inner core and then constructing a melted point beside the microhole of the outlet. When samples are injected into the fiber, the liquids can be fully mixed and form steady microflows. Simultaneously, the photon emitted from the CL reaction is efficiently coupled into the core and can be detected at the end of the optical fiber. In this Letter, the concentration of H2O2 samples is analyzed through the emission intensity of the CL reaction among H2O2, luminol, K3Fe(CN)6, and NaOH in the optical fiber. The linear sensing range of 0.14.0mmol/L of H2O2 concentration is obtained. The emission intensity can be determined within 400 ms at a total flow rate of 150μL/min. Significantly, this work presents the information of developing in-fiber integrated online analyzing devices based on optical methods.

© 2013 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(160.2290) Materials : Fiber materials

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 2, 2013
Revised Manuscript: July 31, 2013
Manuscript Accepted: August 1, 2013
Published: August 29, 2013

Citation
Xinghua Yang, Tingting Yuan, Jun Yang, Biao Dong, Yanxin Liu, Yao Zheng, and Libo Yuan, "In-fiber integrated chemiluminiscence online optical fiber sensor," Opt. Lett. 38, 3433-3436 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-17-3433


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