Results 171 to 180 of about 6,680 (218)

Ultra-high-Q tunable whispering-gallery-mode microresonator

open access: green, 2009
Michael Pöllinger   +3 more
openalex   +1 more source

Miniaturized Optical Microwave Source Using a Dual-Wavelength Whispering Gallery Mode Laser

open access: green, 2010
Lei Xiao   +5 more
openalex   +2 more sources

Non-Hermitian topological whispering gallery [PDF]

open access: possibleNature, 2021
In 1878, Lord Rayleigh observed the highly celebrated phenomenon of sound waves that creep around the curved gallery of St Paul's Cathedral in London1,2. These whispering-gallery waves scatter efficiently with little diffraction around an enclosure and have since found applications in ultrasonic fatigue and crack testing, and in the optical sensing of ...
Bolun Hu   +2 more
exaly   +3 more sources

Whispering gallery mode sensors [PDF]

open access: yesAdvances in Optics and Photonics, 2015
We present a comprehensive overview of sensor technology exploiting optical whispering gallery mode (WGM) resonances. After a short introduction we begin by detailing the fundamental principles and theory of WGMs in optical microcavities and the transduction mechanisms frequently employed for sensing purposes.
Matthew R Foreman, Frank Vollmer
exaly   +4 more sources

Gallery of whispers [PDF]

open access: possiblePhysics World, 2012
A little-known effect that is ubiquitous throughout physics appears in fields as diverse as astronomy, optics and acoustics. But it all started with a whisper.
openaire   +1 more source

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