Title :
Strain-insensitive and high-temperature long-period gratings inscribed in photonic crystal fiber
Author :
Zhu, Yinian ; Shum, Ping ; Bay, Hui-Wen ; Yan, Min ; Yu, Xia ; Hu, JuanJuan ; Hao, Jianzhon ; Lu, Chao
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore
Abstract :
We demonstrate the strain-insensitive and high-temperature long-period gratings in photonic crystal fiber. Thermal dependency of resonance wavelength is 10.9 pm/°C at range from 24°C to 992°C, whereas coefficient of strain sensitivity is -0.192 pm/με up to 2.74%ε.
Keywords :
diffraction gratings; fibre optic sensors; optical fibres; photonic crystals; resonance; sensitivity; strain sensors; 24 to 992 degC; high-temperature long-period grating; photonic crystal fiber; resonance wavelength; strain sensitivity coefficient; strain-insensitive grating; thermal dependency; Capacitive sensors; Fiber gratings; Optical devices; Optical fiber couplers; Optical fiber devices; Optical fiber polarization; Optical fiber sensors; Optical sensors; Photonic crystal fibers; Silicon compounds;
Conference_Titel :
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN :
1-55752-783-0
DOI :
10.1109/OFC.2005.192510
