Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19663
Title: Fiber Bragg grating with micro-holes for simultaneous and independent refractive index and temperature sensing
Authors: Yang, M
Wang, DN 
Liao, CR
Keywords: Fiber Bragg gratings
laser ablation
optical fiber sensors
ultrafast optics
Issue Date: 2011
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE photonics technology letters, 2011, v. 23, no. 20, 5975203, p. 1511-1513 How to cite?
Journal: IEEE photonics technology letters 
Abstract: A compact optical fiber sensor based on a fiber Bragg grating with multiple micro-holes is effectively used for simultaneous and independent refractive index and temperature sensing. The micro-holes are drilled by use of femtosecond laser micromachining. The measurement is implemented by simple detection of the grating resonant wavelength shift and its intensity variation, respectively. The refractive index sensitivity of ∼ 29.50 dB/RIU (refractive index unit) is obtained in the refractive index range between 1.30 and 1.45, with a good linearity. The system operation is simple, convenient and reliable.
URI: http://hdl.handle.net/10397/19663
ISSN: 1041-1135
EISSN: 1941-0174
DOI: 10.1109/LPT.2011.2163624
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