基于复合薄膜结构和有损模式共振的高灵敏度光纤温度传感器

IF 4.6 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2024-10-23 DOI:10.1016/j.optlastec.2024.111998

Yuxiao Xue , Jing Yang , Peng Ye , Binbing Li , Shan Gao , Yan Liu , Jinhui Shi , Jun Yang , Libo Yuan , Chunying Guan

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引用次数: 0

摘要

在这项工作中，我们提出并演示了一种基于有损模式共振（LMR）的高灵敏度光纤温度传感器。该传感器由一根 D 型光纤和一层复合薄膜组成。复合薄膜由二氧化锡（SnO2）和聚二甲基硅氧烷（PDMS）组成。PDMS 作为中间层插入 D 型光纤和二氧化锡层之间，实现了 TM 和 TE 极化的分离，从而减少了极化串扰，同时还可作为温度敏感层。通过调节复合膜的厚度，可以自由控制激发的 LMR 的极化状态。这种传感器的温度灵敏度高达 -1.1883 nm/°C，测量范围为 10-90 °C。同时，由于采用了超薄的 PDMS 中间膜，传感器的快速响应时间为 ∼ 109 ms。

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High-sensitivity fiber temperature sensor based on composite film structure and lossy mode resonance

In this work, we proposed and demonstrated a high-sensitivity optical fiber temperature sensor based on lossy mode resonance (LMR). The sensor is composed of a D-shaped fiber and a thin composite film. The composite film consists of tin dioxide (SnO₂) and polydimethylsiloxane (PDMS). PDMS is inserted as an intermediate layer between D-shaped fiber and SnO₂ layer, realizing the separation of TM and TE polarization to reduce polarization crosstalk, while also serving as a temperature sensitive layer. The polarization state of the excited LMR can be freely controlled by adjusting the thickness of the composite film. The proposed sensor exhibits a high temperature sensitivity of −1.1883 nm/°C with a measurement range of 10–90 °C. Meanwhile, a fast response time of ∼ 109 ms was observed due to the ultra-thin PDMS interlayer.

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems