Ruijiao Miao , Xin Zhang , Jinping Zhang , Shuqin Li , Pu Wang , Xiu-Hong Wang
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Hollow-core anti-resonant optical fibers for chemical and biomedical sensing
Hollow-core anti-resonant optical fiber (HC-ARF) provides solutions for breaking the bottlenecks in areas of high-power transmission and high-efficiency optical waveguide. Other than transporting light wave, HC-ARFs can synergistically combine microfluidics and optics in a single fiber with unprecedented light path length not readily achievable by planar optofluidic configurations. The unique features of strict light confinement, wide transmission band and low transmission loss of HC-ARFs enable high sensing performance with low sample consumption, outcompeting conventional optical assays. In this review, we provide a comprehensive overview of HC-ARFs for label-free molecular sensing. We deliver information on the light propagation mechanism and state-of-the-art structures of HC-ARFs, as well as recent progress in chemical and biomedical sensing mainly covering gas, liquid, DNA and protein sensors along with exosome-based liquid biopsy and cancer cell detection. At the end, challenges and prospects of HC-ARF for sensing applications are discussed.
期刊介绍:
Sensing and Bio-Sensing Research is an open access journal dedicated to the research, design, development, and application of bio-sensing and sensing technologies. The editors will accept research papers, reviews, field trials, and validation studies that are of significant relevance. These submissions should describe new concepts, enhance understanding of the field, or offer insights into the practical application, manufacturing, and commercialization of bio-sensing and sensing technologies.
The journal covers a wide range of topics, including sensing principles and mechanisms, new materials development for transducers and recognition components, fabrication technology, and various types of sensors such as optical, electrochemical, mass-sensitive, gas, biosensors, and more. It also includes environmental, process control, and biomedical applications, signal processing, chemometrics, optoelectronic, mechanical, thermal, and magnetic sensors, as well as interface electronics. Additionally, it covers sensor systems and applications, µTAS (Micro Total Analysis Systems), development of solid-state devices for transducing physical signals, and analytical devices incorporating biological materials.