In-Fiber Interferometric-Based Sensors: Overview and Recent Advances

Featured Application This article is an extensive overview of the different types of in-fiber interferometric-based sensors and their technology. In-fiber interferometric-based sensors are a rapidly growing field, as these sensors exhibit many desirable characteristics compared to their regular fiber-optic counterparts and are being implemented in many promising devices. These sensors have the capability to make extremely accurate measurements on a variety of physical or chemical quantities such as refractive index, temperature, pressure, curvature, concentration, etc. This article is a comprehensive overview of the different types of in-fiber interferometric sensors that presents and discusses recent developments in the field. Basic configurations, a brief approach of the operating principle and recent applications are introduced for each interferometric architecture, making it easy to compare them and select the most appropriate one for the application at hand.

Automated summary

This article provides an extensive overview of various types of in-fiber interferometric-based sensors and their technologies, showcasing their capability to make highly accurate measurements on various physical or chemical quantities. The comparison and selection of the most suitable sensor for a specific application is made easier through the introduction of basic configurations, brief operating principles, and recent applications for each interferometric architecture.