Femtosecond Laser Machining of a Multi-D-Shape Optical Fiber for Refractive Index Sensing

in International Symposium (oral presentation paper), 國際研討會(全文口頭發表)
標題Femtosecond Laser Machining of a Multi-D-Shape Optical Fiber for Refractive Index Sensing
出版類型國際研討會(全文口頭發表)
出版年度2010
AuthorsChien-Hsing Chen, 陳建興, Tzu-Chien Tsao 曹子謙, Jaw-Luen Tang 湯兆崙, & Wei Te Wu(Benny) 吳瑋特
出版日期Feb 3 2010 12:0
會議地點Howard Beach Resort, Kenting, Taiwan
其他編號0000
中文摘要

Femtosecond laser micromachining of a novel multi-D-shape optical fiber is presented. The depth of the D-shape zone were 100 μm measured from the surface of the
polymer jacket layer, and the total length was 5 mm. After thermal annealing treatment, the mean roughness of the surface was 231.7 nm determined by AFM. The tensile test of the multi-D-shape fibers after manufacturing was performed and the force constant was determined to be 1870 N/m. The multi-D-shape optical fiber as a high sensitive refractive-index sensor to detect changes in the surrounding refractive index was studied. The refractive index resolution (sensor resolution = 3σ/m, σ = standard deviation of signal in measuring the blank, m = slope) is 3.13×10-4 RIU for refractive indices in the range of 1.333 to 1.403.

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