Basic structure of optical microcavities: Fabry-Perot microcavities and whispering gallery mode microcavities (IMAGE)

Advanced Devices & Instrumentation

Basic structure of optical microcavities: Fabry-Perot microcavities and whispering gallery mode microcavities

Caption

Optical microcavities with compact structures can trap resonant photons within microscale confines for extended resonant durations, significantly bolster light-matter interactions and have become crucial tools for optical biochemical sensing. The exploration of numerous profound biochemical sensing mechanisms in microcavities, including mode shift/splitting/broadening, surface plasmon resonance, fluorescence resonance energy transfer, optical frequency comb spectroscopy, lasing and gain enhancements, and exceptional points, has been extensive.

Credit

ADVANCED DEVICES & INSTRUMENTATION

Usage Restrictions

News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only.

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.