Paper
1 July 2015 Feature regulation and applications of M-FBG by laser ablation
Xian Zhou, Yutang Dai, Bin Liu, Joseph Muna Karanja, Xiaoyan Wen, Jun Huang
Author Affiliations +
Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 965509 (2015) https://doi.org/10.1117/12.2184243
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of
Abstract
Fabricating microstructures into the cladding of fiber Bragg grating, the FBG sensors will have wider applications in magnetic field measurement or gas sensing. In present paper, we regulate the physical feature of FBG by ablating single or cross spiral micro-trench with femtosecond laser. The influences of different processing parameters on M-FBG (microstructured FBG) have been investigated. The waveform variations and its controlling method have been discussed. It is shown that, the central wavelength shift enlarged with increasing of the laser energy, or decreasing of scanning speed. Finally, a cross spiral type M-FBG magnetic field probe and a temperature probe are also demonstrated.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xian Zhou, Yutang Dai, Bin Liu, Joseph Muna Karanja, Xiaoyan Wen, and Jun Huang "Feature regulation and applications of M-FBG by laser ablation", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 965509 (1 July 2015); https://doi.org/10.1117/12.2184243
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KEYWORDS
Fiber Bragg gratings

Magnetism

Magnetic sensors

Laser energy

Sensors

Copper

Femtosecond phenomena

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