Review of Femtosecond Laser Fabricated Fiber Bragg Gratings for High Temperature Sensing

C. R. LIAO; D. N. WANG

doi:10.1007/s13320-012-0060-9

Photonic Sensors, Volume. 3, Issue 2, 97(2013)

Review of Femtosecond Laser Fabricated Fiber Bragg Gratings for High Temperature Sensing

C. R. LIAO and D. N. WANG^*

Author Affiliations

Department of Electrical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China

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This paper reviews high temperature sensing applications based on fiber Bragg gratings fabricated by use of femtosecond laser. Type II fiber Bragg gratings fabricated in the silica fiber can sustain up to 1200 ℃ while that fabricated in the sapphire fiber have the good thermal stability up to 1745 ℃.

Keywords

femtosecond laser Fiber Bragg grating high temperature sensing microstructured fiber sapphire fiber silica fiber

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C. R. LIAO, D. N. WANG. Review of Femtosecond Laser Fabricated Fiber Bragg Gratings for High Temperature Sensing[J]. Photonic Sensors, 2013, 3(2): 97

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