基于PDMS敏化的u型MZI光纤温度传感器

IF 2.6 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical Fiber Technology Pub Date : 2025-04-29 DOI:10.1016/j.yofte.2025.104252

Yaxun Zhang , Pingbang Huang , Wenmi Li , Zhiliang Huang , Xiaoyun Tang , Zhihai Liu , Yu Zhang , Libo Yuan

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引用次数: 0

摘要

我们提出并演示了一种基于聚二甲基硅氧烷（PDMS）涂层的u型单模光纤（SMF）温度传感器。通过芯偏移将一段SMF熔接在两个SMF之间并弯曲成u形，形成Mach-Zehnder干涉仪结构。在SMF包层外涂覆PDMS以提高光纤温度传感的灵敏度。该传感器在25°C - 95°C温度范围内的最大温度灵敏度为1.2824 nm/°C。当去除SMF包层外的PDMS涂层时，其温度灵敏度降低了一个数量级，为0.1393 nm/°C。基于PDMS敏化的光纤传感器具有温度传感灵敏度高、结构坚固紧凑、制作简单、成本低、重复性好、长期稳定等优点。

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U-shaped MZI optical fiber temperature sensor based on PDMS sensitization

We propose and demonstrate a U-shaped single mode fiber (SMF) temperature sensor based on polydimethylsiloxane (PDMS) coating. A section of SMF is fused between two SMFs by core-offset and bent into a U-shaped to form a Mach-Zehnder interferometer structure. PDMS is coated on the outside of SMF cladding to improve the sensitivity of fiber temperature sensing. The maximum temperature sensitivity of the proposed sensor is 1.2824 nm/°C in the temperature range of 25 °C–95 °C. When the PDMS coating outside the cladding of the SMF is removed, its temperature sensitivity is reduced by an order of magnitude to 0.1393 nm/°C. The optical fiber sensor based on PDMS sensitization has the advantages of high temperature sensing sensitivity, rugged and compact structure, simple fabrication, low cost, good repeatability and long-term stability.

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来源期刊

Optical Fiber Technology 工程技术-电信学

CiteScore

4.80

自引率

11.10%

发文量

327

审稿时长

63 days

期刊介绍： Innovations in optical fiber technology are revolutionizing world communications. Newly developed fiber amplifiers allow for direct transmission of high-speed signals over transcontinental distances without the need for electronic regeneration. Optical fibers find new applications in data processing. The impact of fiber materials, devices, and systems on communications in the coming decades will create an abundance of primary literature and the need for up-to-date reviews. Optical Fiber Technology: Materials, Devices, and Systems is a new cutting-edge journal designed to fill a need in this rapidly evolving field for speedy publication of regular length papers. Both theoretical and experimental papers on fiber materials, devices, and system performance evaluation and measurements are eligible, with emphasis on practical applications.