How can excessively tilted fiber gratings (ExTFGs) revolutionize biochemical sensing? This review explores the development and applications of ExTFGs, a unique type of optical fiber grating device, in the realm of biochemical sensing. The article delves into their mode coupling behavior, spectral characteristics, and sensitivity enhancement, highlighting their suitability for detecting a variety of bio-chemical substances. Due to their unique structure, ExTFGs exhibit high refractive index sensitivity and low thermal crosstalk, making them highly effective for sensing various parameters. The review examines the use of ExTFGs in detecting pondus hydrogenii (pH), heavy metal ions, humidity, glucose, animal viruses and biomarkers. It also summarizes several composite sensing structures based on ExTFGs, showcasing their versatility. This comprehensive review provides valuable insights into the potential of ExTFGs for diverse bio-chemical sensing applications. By summarizing recent advancements in ExTFGs technology, the article paves the way for future research and development in the area of bio-sensing, potentially leading to innovative diagnostic tools and environmental monitoring systems.
Published in Photonic Sensors, this review aligns perfectly with the journal’s focus on optical sensing technologies and their applications. By providing a comprehensive overview of ExTFGs, the paper contributes significantly to the journal's goal of disseminating cutting-edge research in the field of photonic sensors, particularly in the context of bio-chemical analysis.
| Category | Category Repetition |
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| Science: Physics | 9 |
| Technology: Chemical technology | 7 |
| Science: Chemistry: Analytical chemistry | 6 |
| Science: Chemistry | 6 |
| Science: Biology (General) | 6 |