Title :
Novel temperature insensitive long-period grating by using the refractive index of the outer cladding
Author :
Joo-Nyung Jang ; Se Yoon Kim ; Sun-Wook Kim ; Min-Sung Kim
Author_Institution :
Appl. Opt. Res. Group, Samsung Electron. Co., Kyungki, South Korea
Abstract :
We show the temperature sensitivity of long period gratings (LPGs) in fibre can be completely eliminated by using the outer cladding index. Blue shift of LPG combined with a red shift caused by the recoating led to a temperature sensitivity of 0.07 nm/100/spl deg/C.
Keywords :
Diffraction gratings; Optical fiber cladding; Optical fiber fabrication; Optical fiber losses; Refractive index; Sensitivity; Spectral line shift; blue shift; long period fibre gratings; optical fibre filters; outer fibre cladding; recoating; red shift; refractive index; temperature insensitive long-period grating; temperature sensitivity; Capacitive sensors; Fiber gratings; Optical filters; Optical refraction; Optical sensors; Refractive index; Resonance; Temperature dependence; Temperature sensors; Wavelength measurement;
Conference_Titel :
Optical Fiber Communication Conference, 2000
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-630-3
DOI :
10.1109/OFC.2000.868362
