Whispering gallery effect

Left: The green fluorescence shows light trapped around the circular cavity, displaying the whispering gallery effect. Right: Laser light collected from the microlaser shows only a single color or wavelength.
Left: The green fluorescence shows light trapped around the circular cavity, displaying the whispering gallery effect. Right: Laser light collected from the microlaser shows only a single color or wavelength.
Date:
07 March 2016
Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).