软玻璃光纤在生物传感领域应用的研究进展

Application of Soft-Glass Optical Fibers in Biosensing

相比于传统石英光纤,软玻璃光纤具有高折射率、高非线性和宽带传输等优势,被广泛应用于光纤激光器、超连续谱产生和生物传感器等领域。近年来,随着研究的不断深入,软玻璃光纤在生物传感领域的应用越来越丰富,特别是它们在中红外波段呈现出来的高灵敏度和多用途等特性,使其在传感领域的应用被广泛关注。综述了软玻璃光纤的基本特性、制备方法及其在生物传感领域的应用,主要从温度传感、浓度传感、气体传感、疾病监测4个方面展开介绍,并对其应用前景进行了展望。

Compared with silica fibers, soft-glass fibers have advantages of high refractive index, high nonlinearity,and wide band transmission. Therefore, soft-glass fibers have a wide applications in fiber lasers, super continuous spectrum generation, and biosensors. In recent years, with the development of researches, soft-glass fibers exhibit excellent sensing performance in biosensing fields;specially, they exhibit high sensitivity and multipurpose sensing capability in near-infrared and mid-infrared bands. Therefore, they have various applications in the sensing field. In this study, basic characteristics, preparation methods, and applications in biosensing fields of soft-glass fibers are reviewed from the perspectives of temperature sensing, concentration sensing, gas sensing, and disease detection,and the future application prospect of soft-glass fibers is forecasted.