Researching | Preparation of high-refractive-index film coated polymer waveguide fiber sensor

Optical Instruments, Volume. 44, Issue 1, 87(2022)

Preparation of high-refractive-index film coated polymer waveguide fiber sensor

Bing TAN and Bin CAI^*

Author Affiliations

School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

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References (24)

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Fig. 1. The set-up for polymer waveguide fabrication

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Fig. 2. SEM image of fiber-waveguide-fiber

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Fig. 3. Cross section of polymer waveguide

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Fig. 4. Electric field intensity distribution of waveguide

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Fig. 5. Relative intensity as a function of Ta₂O₅ thickness

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Fig. 6. The sensor set-up for absorption measurement

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Fig. 7. Absorption spectra at 1×10⁻⁶ g/mL concentration

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Table 1. Parameters of optical waveguide

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Table 1. Parameters of optical waveguide

序号	名称	表达式	描述
1	λ₀/nm	532	入射波长
2	λ/nm	λ₀/n₁	材料中波长
3	f₀	c_const/λ₀	入射频率
4	n₂	1.33	包层（水）折射率
5	n₁	1.48	聚合物波导折射率
6	r₁/nm	10000	波导半径
7	r₂/nm	15000	包层半径
8	n₃	2.00	Ta₂O₅折射率
9	r₃/nm	r₁+δ	镀膜层半径

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Bing TAN, Bin CAI. Preparation of high-refractive-index film coated polymer waveguide fiber sensor[J]. Optical Instruments, 2022, 44(1): 87

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Paper Information

Category: FILM

Received: Mar. 23, 2021

Accepted: --

Published Online: Mar. 22, 2022

The Author Email: CAI Bin (bullcai@gmail.com)

DOI:10.3969/j.issn.1005-5630.2022.01.013

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology