Shift of the oscillation wavelength of fiber Bragg grating semiconductor lasers from the Bragg reflection wavelength of fiber grating

2002 ◽  
Author(s):  
Guangqiong Xia ◽  
Zhengmao Wu
Keyword(s):  
Fiber Bragg Grating ◽  
Semiconductor Lasers ◽  
Bragg Reflection ◽  
Bragg Grating ◽  
Fiber Grating

scholarly journals Errata: Method to athermalize a long-period fiber grating for interrogation of fiber Bragg grating–based sensors

2014 ◽  
Vol 53 (10) ◽  
pp. 109801 ◽  
Author(s):  
Venkata Reddy Mamidi ◽  
Srimannarayana Kamineni ◽  
L. N. Sai Prasad Ravinuthala ◽  
Venkatapparao Thumu ◽  
Vengal Rao Pachava
Keyword(s):  
Fiber Bragg Grating ◽  
Bragg Grating ◽  
Fiber Grating ◽  
Long Period Fiber Grating ◽  
Long Period ◽  
Period Fiber Grating

Oscillation wavelength of fiber Bragg grating semiconductor lasers

Optik ◽  
2002 ◽  
Vol 113 (8) ◽  
pp. 348-350 ◽  
Author(s):  
Zhengmao Wu ◽  
Guangqiong Xia
Keyword(s):  
Fiber Bragg Grating ◽  
Semiconductor Lasers ◽  
Bragg Grating

Fiber Bragg Grating Force Sensing System with Temperature Compensation Scheme

2013 ◽  
Vol 711 ◽  
pp. 486-490 ◽  
Author(s):  
Min Yuan Hsieh ◽  
Chia Chin Chiang ◽  
Jian Cin Chao
Keyword(s):  
Fiber Bragg Grating ◽  
Temperature Compensation ◽  
Force Sensing ◽  
Bragg Grating ◽  
Modulation Scheme ◽  
Fiber Grating ◽  
Average Temperature ◽  
Long Period ◽  
Sensing System ◽  
Period Fiber Grating

Current study presented a simple, temperature-insensitive fiber Bragg grating (FBG) force sensing system. It is based on an optical intensity modulation scheme with a corrugated long-period fiber grating (CLPFG) filter. The temperature effect of signal variation is about 6%. Through FBG temperature compensating scheme the average temperature sensitivity is improved obviously (0.06 mV/°C).

Applications of Fiber Bragg Grating in Strain Measurement of Concrete Bridge

2011 ◽  
Vol 368-373 ◽  
pp. 2286-2290
Author(s):  
Xian Xi Tang ◽  
Xian Zhou Tang ◽  
Yue Xu ◽  
Wei Guo
Keyword(s):  
Fiber Bragg Grating ◽  
Strain Gauge ◽  
Strain Measurement ◽  
Fatigue Loading ◽  
Good Effect ◽  
Bragg Grating ◽  
Fiber Grating ◽  
Concrete Bridge ◽  
Experimental Researches

In order to verify the role of fiber bragg grating strain gauge in strain measurement of concrete bridge, and the influence of concrete and steel strain properties by fatigue loading, the relevant experimental researches were carried out. The results indicated that the Fiber Bragg grating strain gauge could reflect the strain regularity of concrete and steel well; for the fiber grating strain rosettes inside the concrete, the pasting equipments of fiber gratings had a certain impact of the measurement effect. The fatigue loading had a certain impact of the properties of concrete and steel, in conditions of the same number of fatigue, the greater the stress amplitude the more obvious the effects. The results analysis shown that, fiber grating strain measurement innovated the means and methods of strain measurement in detailed structure of the concrete bridge, for the strain measurements of concrete bridge under fatigue loading, the FBG could still play very good effect.

Method to athermalize a long-period fiber grating for interrogation of fiber Bragg grating–based sensors

2014 ◽  
Vol 53 (9) ◽  
pp. 096111 ◽  
Author(s):  
Venkata Reddy Mamidi ◽  
Srimannarayana Kamineni ◽  
L. N. Sai Prasad Ravinuthala ◽  
Venkatapparao Thumu ◽  
Vengal Rao Pachava
Keyword(s):  
Fiber Bragg Grating ◽  
Bragg Grating ◽  
Fiber Grating ◽  
Long Period Fiber Grating ◽  
Long Period ◽  
Period Fiber Grating
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