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Title: Highly sensitive long-period fiber-grating strain sensor with low temperature sensitivity
Authors: Wang, YP
Xiao, L
Wang, DN 
Jin, W 
Keywords: Gratings
Fiber optics components
Fiber optics sensors
Issue Date: 2006
Publisher: Optical Society of America
Source: Optics letters, 2006, v. 31, no. 23, p. 3414-3416 How to cite?
Journal: Optics letters 
Abstract: A long-period fiber-grating sensor with a high strain sensitivity of −7.6pm∕με and a low temperature sensitivity of 3.91pm∕°C is fabricated by use of focused CO2 laser beam to carve periodic grooves on a large- mode-area photonic crystal fiber. Such a strain sensor can effectively reduce the cross-sensitivity between strain and temperature, and the temperature-induced strain error obtained is only 0.5με∕°C without using temperature compensation.
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