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5 March 2021 Computer modelling of WGM microresonators with a zinc oxide nanolayer using COMSOL multiphysics software
K. Draguns, I. Brice, A. Atvars, J. Alnis
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Proceedings Volume 11672, Laser Resonators, Microresonators, and Beam Control XXIII; 1167216 (2021) https://doi.org/10.1117/12.2578210
Event: SPIE LASE, 2021, Online Only
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Abstract
Whispering gallery mode resonators (WGMRs) are small axial symmetrical structures from transparent material, that can exceptionally well confine light within, thus making them ideal for studying light-matter interactions and using them as sensors. Various WGMR designs can be simulated using COMSOL Multiphysics. Sometimes an extra layer is coated on the surface of the resonator for achieving desirable effects. The extra layer changes quality factor of the resonator and ads extra modes for some frequencies. Different methods and studies are used for the exploration of this topic such as changing the thickness of the coating and using random functions to describe the roughness of the surface, which in micro and nanoscale makes a difference.
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K. Draguns, I. Brice, A. Atvars, and J. Alnis "Computer modelling of WGM microresonators with a zinc oxide nanolayer using COMSOL multiphysics software", Proc. SPIE 11672, Laser Resonators, Microresonators, and Beam Control XXIII, 1167216 (5 March 2021); https://doi.org/10.1117/12.2578210
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KEYWORDS
Microresonators
Zinc oxide
Computer simulations
Modeling
Refractive index
Resonators
Sensors
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