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Gas Raman sensing with multi-opened-up suspended core fiber |
Applied Optics, Vol. 50, Issue 31, pp. 6026-6032 (2011)
http://dx.doi.org/10.1364/AO.50.006026
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Abstract
Gas sensing and fluid-guiding response properties of a suspended core fiber Raman analyzer with side-opened and strut microfluid-guiding array are explored. A Raman sensing model is introduced for effective mode area optimization and normalized intensity overlap enhancement between Raman sensing light and analyte. Calculations predict that there is a trade-off between the overlap and the effective mode area, while the optimal trade-off depends on the refractive index of the background material, core diameter, and strut’s thickness. Furthermore, the multi-opened-up structure ensures a fast gases diffusing into/out of each hole for real-time Raman sensing. Simulation results confirm a limited gas sensing response time of less than
© 2011 Optical Society of America
OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4005) Fiber optics and optical communications : Microstructured fibers
(280.4788) Remote sensing and sensors : Optical sensing and sensors
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: May 31, 2011
Manuscript Accepted: June 24, 2011
Published: October 31, 2011
Citation
Guanjun Wang, Jiansheng Liu, Yi Yang, Zheng Zheng, Jing Xiao, and Ruichao Li, "Gas Raman sensing with multi-opened-up suspended core fiber," Appl. Opt. 50, 6026-6032 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-31-6026
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