Waveguide-Based Sensors

Dear Colleagues,

Sensors utilizing the evanescent field of light propagating in waveguides have been widely developed around the world. Light propagating in an optical fiber is used in a system that observes vibration and temperature from a distance. Waveguide technology has been developed mainly in optical communications, and thanks to that, high-performance light sources and detectors are available. In addition, it is easy to integrate and can be constructed with stable materials. For these reasons, waveguide-based sensors have been widely applied as biological, chemical, and physical sensors. Recently, there are also new developments such as silicon photonics being used as a light source of LIDAR. This Special Issue of Sensors is dedicated to discussing the emerging technologies of waveguide-based sensors and their applications, and aims to provide an opportunity for researchers to publish their latest achievements related to waveguide-based sensors. Full papers, communications, and reviews are welcome.

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