Morphology-dependent resonances in cylindrical microparticles are investigated and the properties of particle matter considered. The spatial structures of resonance modes inside microparticles are studied. It is shown that the resonant mode with a lesser quality factor can have a higher value of internal field intensity inside microparticles. Considering a small amount of absorption of particle matter permits more-or-less exact prediction of the value of the internal field intensity, which may increase or decrease, depending on the properties of the particle matter.
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