Volume 3 Number 5 (Oct. 2011)
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IJCEE 2011 Vol.3(5): 711-713 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2011.V3.408

Experimental Characterization of Optical Fiber Long Period Grating with Reduced Temperature Sensitivity

Tarun Sharma, Himanshu Monga, Vipul Sharma, and Sandip Vijay

Abstract—In this paper we show the experimental characterization of optical fiber long period grating for the reduced temperature sensitivity by optimizing the refractiveindex profile of the host fiber. In Long Period Fiber grating the fundamental guided mode light couple with the into co-propagating cladding modes at various wavelengths. The two layer Geometry later on the three layer geometry which is useful for refractive index sensing sensing application. The sensitivity of LPFGs to environmental parameters is influenced by the period of the LPFG by the order of the cladding mode to which coupling takes place and by the composition of the optical fiber. A novel method to compensate the temperature sensitivity using a boron co-doped germanosilicate core fiber is used as a host fiber. The Theoretical Characteristic Results matches with the experimental results which demonstrate that such gratings with reduced temperature coefficient retain their capability to detect strain and ambient index variations.

Index Terms—LPFG, FBG, refractive index, temperature sensitivity, cladding Mode, OSA.

Tarun Sharma is with the Shoolini University, Solan (H.P). ( emailSharma.tarun23@gmail.com.)
Himanshu Monga is with the shoolini university, solan. (H.P).
Vipul Sharma is with the GKV, Haridwar. (U.K)
Dr. Sandip Vijay is with DIT Dehradun. (U.K)

Cite: Tarun Sharma, Himanshu Monga, Vipul Sharma, and Sandip Vijay, "Experimental Characterization of Optical Fiber Long Period Grating with Reduced Temperature Sensitivity," International Journal of Computer and Electrical Engineering vol. 3, no. 5, pp. 711-713, 2011.

General Information

ISSN: 1793-8163
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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