Simultaneous measurement of multiple parameters using a single fiber Bragg grating

被引：0
|
作者：
Kondiparthi, Mahesh [1 ]
机构：
[1] Indian Inst Sci, Dept Instrumentat & Appl Phys, Bangalore 560012, Karnataka, India
来源：
INFRARED REMOTE SENSING AND INSTRUMENTATION XVIII | 2010年 / 7808卷
关键词：
simultaneous measurement; fiber Bragg grating; optical spectrum analyzer; reflectivity at central wavelength; TEMPERATURE; SENSOR;
D O I：
10.1117/12.872088
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A novel approach for simultaneous measurement of chirp (any parameter that can induce strain gradient on FBG) and temperature using a single FBG is proposed. Change in reflectivity at central wavelength of FBG reflection & Bragg wavelength shifts induced due to temperature were used for chirp & temperature measurements respectively. Theoretical resolution limit for chirp and temperature using an Optical Spectrum Analyzer (OSA) with 1pm wavelength resolution and >58dB dynamic range are 12.8fm and 1/13 degrees C respectively.
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页数：6
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