用于紫外线传感的新型弹性螺吡喃掺杂聚二甲基硅氧烷光波导。

IF 4.1 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Frontiers of Optoelectronics Pub Date : 2024-07-15 DOI:10.1007/s12200-024-00124-4
Camila Aparecida Zimmermann, Koffi Novignon Amouzou, Dipankar Sengupta, Aashutosh Kumar, Nicole Raymonde Demarquette, Bora Ung
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引用次数: 0

摘要

研究人员对掺杂了两种不同螺吡喃衍生物(SP)的新型聚(二甲基硅氧烷)(PDMS)进行了研究,将其作为制备具有紫外线光学特性的弹性波导的潜在候选材料。首先,制备了独立薄膜,并评估了它们对紫外线照射的光致变色响应。评估了掺杂 SP 的 PDMS 样品的动力学、可逆性、光疲劳和折射率。其次,通过监测可见激光(633 nm)透射光功率的变化,制作并测试了掺杂 SP 的 PDMS 波导作为紫外线传感器。通过在 PDMS 中掺入一种螺吡喃衍生物,成功证明了紫外线传感功能,在 633 纳米波长处测得其传播损耗为 1.04 dB/cm,灵敏度估计为每单位紫外线剂量变化时透射光功率变化的 115%。在平均紫外线饱和剂量为 0.4 J/cm2 的情况下,测得衰减和恢复时间常数分别为 42 秒和 107 秒。所制备的波导即使在弯曲情况下也能表现出可逆和一致的响应。传感器参数可通过改变波导长度(最长 21 厘米)来定制,并受白光和最高 70 ℃ 温度的影响。这项工作与弹性光学、智能光学材料和聚合物光波导传感器有关。
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Novel elastomeric spiropyran-doped poly(dimethylsiloxane) optical waveguide for UV sensing.

Novel poly(dimethylsiloxane) (PDMS) doped with two different spiropyran derivatives (SP) were investigated as potential candidates for the preparation of elastomeric waveguides with UV-dependent optical properties. First, free-standing films were prepared and evaluated with respect to their photochromic response to UV irradiation. Kinetics, reversibility as well as photofatigue and refractive index of the SP-doped PDMS samples were assessed. Second, SP-doped PDMS waveguides were fabricated and tested as UV sensors by monitoring changes in the transmitted optical power of a visible laser (633 nm). UV sensing was successfully demonstrated by doping PDMS using one spiropyran derivative whose propagation loss was measured as 1.04 dB/cm at 633 nm, and sensitivity estimated at 115% change in transmitted optical power per unit change in UV dose. The decay and recovery time constants were measured at 42 and 107 s, respectively, with an average UV saturation dose of 0.4 J/cm2. The prepared waveguides exhibited a reversible and consistent response even under bending. The sensor parameters can be tailored by varying the waveguide length up to 21 cm, and are affected by white light and temperatures up to 70 ℃. This work is relevant to elastomeric optics, smart optical materials, and polymer optical waveguide sensors.

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来源期刊
Frontiers of Optoelectronics
Frontiers of Optoelectronics ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
7.80
自引率
0.00%
发文量
583
期刊介绍: Frontiers of Optoelectronics seeks to provide a multidisciplinary forum for a broad mix of peer-reviewed academic papers in order to promote rapid communication and exchange between researchers in China and abroad. It introduces and reflects significant achievements being made in the field of photonics or optoelectronics. The topics include, but are not limited to, semiconductor optoelectronics, nano-photonics, information photonics, energy photonics, ultrafast photonics, biomedical photonics, nonlinear photonics, fiber optics, laser and terahertz technology and intelligent photonics. The journal publishes reviews, research articles, letters, comments, special issues and so on. Frontiers of Optoelectronics especially encourages papers from new emerging and multidisciplinary areas, papers reflecting the international trends of research and development, and on special topics reporting progress made in the field of optoelectronics. All published papers will reflect the original thoughts of researchers and practitioners on basic theories, design and new technology in optoelectronics. Frontiers of Optoelectronics is strictly peer-reviewed and only accepts original submissions in English. It is a fully OA journal and the APCs are covered by Higher Education Press and Huazhong University of Science and Technology. ● Presents the latest developments in optoelectronics and optics ● Emphasizes the latest developments of new optoelectronic materials, devices, systems and applications ● Covers industrial photonics, information photonics, biomedical photonics, energy photonics, laser and terahertz technology, and more
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