Using generalized Lorenz-Mie theory, we investigated TE and TM polarized 0° transmission and 90° elastic scattering spectra from a silica microsphere with a radius of 200 μm in the Terahertz region from 110 μm to 130 μm. The numerically observed mode spacing of 7 μm agrees well with the theoretically estimated value for both TE and TM polarized WGMs. The observed WGM quality factors are on the order of 104. With these numerically observed spectral responses, silica microspheres can be used in novel THz region applications.

© 2018 The Author(s)

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