An angle sensor based on polymer optical fibers with cladding doped by rhodamine B

IF 2.7 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical Fiber Technology Pub Date : 2026-07-01 Epub Date: 2026-02-07 DOI:10.1016/j.yofte.2026.104584

Yinhua Ma, Wenfei Dong, Zhi Feng Zhang

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引用次数: 0

Abstract

The present study proposes to utilize rhodamine B (RhB) doped polymer optical fibers (POFs) for angle sensing. POFs are doped by immersing the fiber in the aqueous solution dissolved with RhB at elevated temperatures so that RhB molecules diffuse into the fiber. It is found that most RhB molecules are in the cladding. That is, only the fiber cladding is doped by RhB. The doping process involves no physical modification to POFs, thus the sensor fabrication process is facile and mechanical properties of POFs are not impacted. Two major factors that influence the angle sensing performance of the sensor are investigated, namely, the bending radius and the fiber diameter. Along with experimental study, ray-tracing simulation is also conducted to investigate their influence. Bending radius of 1, 2, 3 mm and two POFs in diameter of 250 and 500 μm are tested. In addition, POFs with different doping concentrations are fabricated and tested to examine its influence on the sensitivity. Among all fabricated sensors and various sensing conditions, the highest angle sensitivity of 0.0519 dB/° is achieved by the doped POF in diameter of 500 μm for the bending radius of 1 mm. It isn’t the highest among similar technologies, but easy fabrication process and embedding would make it attractive for practical angle sensing applications.

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基于罗丹明B掺杂包层聚合物光纤的角度传感器

本研究提出利用罗丹明B （RhB）掺杂聚合物光纤（POFs）进行角度传感。通过在高温下将光纤浸入与RhB溶解的水溶液中，使RhB分子扩散到光纤中来掺杂POFs。发现大部分RhB分子都在包层中。也就是说，只有光纤包层被RhB掺杂。掺杂过程不涉及对POFs的物理修饰，因此传感器制造过程简单，并且不影响POFs的机械性能。研究了影响传感器角度传感性能的两个主要因素，即弯曲半径和光纤直径。在实验研究的基础上，进行了射线追踪模拟，探讨了它们的影响。测试了弯曲半径为1、2、3 mm，直径为250 μm和500 μm的两个POFs。此外，制备了不同掺杂浓度的POFs，并测试了其对灵敏度的影响。在各种传感条件下，当弯曲半径为1 mm时，掺杂直径为500 μm的POF的角度灵敏度最高，为0.0519 dB/°。在同类技术中，它不是最高的，但简单的制造工艺和嵌入将使其具有实际角度传感应用的吸引力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.