Influence of Refractive Index on Spectral Characteristics of Tilted Fiber Gratings

Jianhui Zhong; Yan Feng; Hua Zhang; Jiaming Xiao

doi:10.3788/LOP202158.1105003

Laser & Optoelectronics Progress, Volume. 58, Issue 11, 1105003(2021)

Influence of Refractive Index on Spectral Characteristics of Tilted Fiber Gratings

Jianhui Zhong¹, Yan Feng^1,2、*, Hua Zhang^2、**, and Jiaming Xiao¹

¹Jiangxi Key Laboratory of Robot and Welding Automation, School of Mechanical and Electrical Engineering, Nanchang University, Nanchang , Jiangxi 330031, China

²Institute of Robotics, School of Mechanical and Automotive Engineering, Shanghai University of Engineering and Technology, Shanghai 201620, China

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Fig. 1. Structural diagram of TFBG

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$Transmission spectra of TFBG with different refractive indexes. (a) Refractive index of 1.333; (b) refractive index of 1.362; (c) refractive index of 1.449; (d) refractive index of 1.450；(e) refractive index of 1.466；(f) refractive index of 1.471; (g) refractive index of 1.472$

Fig. 2. Transmission spectra of TFBG with different refractive indexes. (a) Refractive index of 1.333; (b) refractive index of 1.362; (c) refractive index of 1.449; (d) refractive index of 1.450；(e) refractive index of 1.466；(f) refractive index of 1.471; (g) refractive index of 1.472

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Fig. 3. Experimental setup of solution measurement by TFBG

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Fig. 4. Transmission spectra of TFBG in different solutions. (a) Distilled water; (b) absolute ethanol; (c) safflower oil; (d) peanut oil; (e) soybean oil

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Table 1. Refractive index of each solution
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Table 1. Refractive index of each solution
Experimental solution Distilled water Anhydrous ethanol Safflower oil Peanut oil Soybean oil
Refractive index 1.333 1.362 1.466 1.471 1.472

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Jianhui Zhong, Yan Feng, Hua Zhang, Jiaming Xiao. Influence of Refractive Index on Spectral Characteristics of Tilted Fiber Gratings[J]. Laser & Optoelectronics Progress, 2021, 58(11): 1105003

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