Infrared and Laser Engineering, Volume. 53, Issue 6, 20240080(2024)
Sensing characteristics of low-loss metallized fiber Bragg grating by ultrasonic welding
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Fig. 2. Diagram of surface mount metallized FBG sensor packaging system
Fig. 4. Transmission and reflection spectra of FBG before and after packaging
Fig. 6. Comparison of reflection spectra before and after temperature sensing experiment
Fig. 8. Change of reflection spectrum FWHM during strain sensing experiment. (a) Tensile strain; (b) Compressive strain
Table 1. Temperature sensing experiment measurement error
View tableView in ArticleTable 1. Temperature sensing experiment measurement error
Temperature/℃ Measuring error/℃ −75 0.0194 −30 0.0430 15 0.0258 60 0.0487 105 0.0363 150 0.0347
Table 2. Strain sensing experiment measurement error
View tableView in ArticleTable 2. Strain sensing experiment measurement error
Strain/με Measuring error/με −560 6.45 −490 0.35 −420 2.25 −350 8.15 −280 −9.95 −210 −4.05 −140 9.85 −70 −8.25 0 −6.35 70 −6.45 140 5.45 210 −6.65 280 −6.75 350 7.15 420 9.05 490 −1.05 560 4.85
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Jing TIAN, Lianqing ZHU, Jifeng YAO, Yanming SONG, Yumin ZHANG. Sensing characteristics of low-loss metallized fiber Bragg grating by ultrasonic welding[J]. Infrared and Laser Engineering, 2024, 53(6): 20240080
Paper Information
Category: Optical communication and sensing
Received: Feb. 28, 2024
Accepted: Apr. 18, 2024
Published Online: Jul. 31, 2024
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