High-temperature sensitivity of long-period gratings in B-Ge codoped fiber

2001 ◽  
Vol 13 (8) ◽  
pp. 818-820 ◽  
Author(s):  
Xuewen Shu ◽  
T. Allsop ◽  
B. Gwandu ◽  
Lin Zhang ◽  
I. Bennion
Keyword(s):  
High Temperature ◽  
Temperature Sensitivity ◽  
Long Period ◽  
Long Period Gratings ◽  
High Temperature Sensitivity

High temperature-sensitivity sensor based on long period fiber grating inscribed with femtosecond laser transversal-scanning method

2017 ◽  
Vol 15 (9) ◽  
pp. 090602 ◽  
Author(s):  
Xinran Dong Xinran Dong ◽  
Zheng Xie Zheng Xie ◽  
Yuxin Song Yuxin Song ◽  
Kai Yin Kai Yin ◽  
Dongkai Chu Dongkai Chu ◽  
...  
Keyword(s):  
High Temperature ◽  
Femtosecond Laser ◽  
Temperature Sensitivity ◽  
Fiber Grating ◽  
Scanning Method ◽  
Long Period Fiber Grating ◽  
Long Period ◽  
Period Fiber Grating ◽  
High Temperature Sensitivity

High-Temperature Sensitivity of a Depletion-Mode AlGaN/GaN MIS-HEMT

2021 ◽  
pp. 1-6
Author(s):  
Z. Mutsafi ◽  
K. Shimanovich ◽  
V. Kairys ◽  
R. Shima-Edelstein ◽  
Y. Roizin ◽  
...  
Keyword(s):  
High Temperature ◽  
Temperature Sensitivity ◽  
High Temperature Sensitivity

scholarly journals Concentration-dependent spectroscopic properties and temperature sensing of YNbO4:Er3+ phosphors

RSC Advances ◽  
2017 ◽  
Vol 7 (38) ◽  
pp. 23751-23758 ◽  
Author(s):  
Xin Wang ◽  
Xiangping Li ◽  
Lihong Cheng ◽  
Sai Xu ◽  
Jiashi Sun ◽  
...  
Keyword(s):  
High Temperature ◽  
Temperature Sensitivity ◽  
Spectroscopic Properties ◽  
Temperature Sensing ◽  
Low Concentration ◽  
High Temperature Sensitivity

Er3+ concentration had significant influences on temperature sensitivity. The sample with a low concentration of Er3+ had high temperature sensitivity.

scholarly journals Sensitivity Characterization of Cascaded Long-Period Gratings Operating near the Phase-Matching Turning Point

Sensors ◽  
2020 ◽  
Vol 20 (21) ◽  
pp. 5978
Author(s):  
Wei Zhou ◽  
Yanli Ran ◽  
Zhijun Yan ◽  
Qizhen Sun ◽  
Chen Liu ◽  
...  
Keyword(s):  
Refractive Index ◽  
Temperature Sensitivity ◽  
Turning Point ◽  
Phase Matching ◽  
Long Period ◽  
Long Period Gratings ◽  
High Measurement ◽  
Surrounding Refractive Index ◽  
Wavelength Resolution ◽  
Quality Factor Q

We characterized a cascaded long-period gratings (LPGs)-based sensor that was operating at the phase-matching turning point (PMTP). The cascaded LPGs constructed an in-fiber Mach–Zehnder interferometer (MZI), which exhibited a series of high-quality-factor (Q) narrow-bandwidth resonance peaks. As the LPG operated at the PMTP, the proposed sensor showed an ultrahigh refractive index (RI) and temperature sensitivity, and high measurement precision. In this study, we took an in-depth look at the effects of grating separation on Q-factor and sensitivity. The results showed that the sensitivity to the surrounding refractive index (SRI) reached 4741.5 nm/RIU at 1.4255 and 2138 nm/RIU, over the range of 1.335–1.373. In addition, the temperature sensitivity was around 4.84 nm/°C. With a 0.02 nm wavelength resolution, the RI and temperature sensing limits were 9.3 × 10−6 RIU and 5.5 × 10−3 °C.

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