Investigation on the photosensitivity, temperature sustainability and fluorescence characteristics of several Er-doped photosensitive fibers

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Shen, Yonghang, Pal, Suchandan, Mandal, Jharna, Sun, Tong, Grattan, Kenneth, Wade, Scott A, Collins, Stephen F, Baxter, Gregory W, Dussardier, Bernard and Monom, Gerard (2004) Investigation on the photosensitivity, temperature sustainability and fluorescence characteristics of several Er-doped photosensitive fibers. Optics Communications, 237 (4-6). pp. 301-308. ISSN 00304018

Abstract

Three different types of Er doped photosensitive fibers, germanium/erbium (Ge/Er) fiber, tin/germanium/erbium fiber (Sn/Er) and antimony/germanium/erbium fiber (Sb/Er) have been manufactured and studied for use in optical sensor systems. Their characteristics of photosensitivity, the temperature sustainability of fiber Bragg gratings (FBGs) written into these fibers and the fluorescence emission from the Er dopant were investigated and compared. It has been shown in this work that these fibers all show a satisfactory degree of photosensitivity to enable the fabrication of FBGs and a significant level of fluorescence emission within the 1550 nm band for sensor use. The high temperature sustainability of the FBGs written into these fibers was investigated and seen to be quite significant at temperatures as high as 850 °C, in particular for the Sn/Er and Sb/Er fibers. A fiber laser using the Sb/Er fiber as the gain medium was demonstrated, giving evidence of the strong fluorescence emission from the Er dopant. These fibers are all suitable for use in a variety of sensing applications for the simultaneous measurement of temperature and strain by means of monitoring both the fluorescence characteristics and the peak wavelength shift of the FBGs formed in fiber laser sensor application

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Item type Article
URI https://vuir.vu.edu.au/id/eprint/2112
DOI https://doi.org/10.1016/j.optcom.2004.04.004
Official URL http://dx.doi.org/10.1016/j.optcom.2004.04.004
Subjects Historical > FOR Classification > 0906 Electrical and Electronic Engineering
Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Keywords ResPubID: 7448, optical fiber, photosensitive fiber, fiber Bragg grating, fluorescence
Citations in Scopus 11 - View on Scopus
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