RESONATOR WITH REDUCED LOSSES
    6.
    发明授权

    公开(公告)号:EP2766756B1

    公开(公告)日:2018-08-08

    申请号:EP12769137.6

    申请日:2012-10-09

    Abstract: A device for detecting electromagnetic radiation comprises a waveguide and at least one resonator on a substrate, and a low-refractive index region between each resonator and the substrate. The low-refractive index region has a lower refractive index than a material of the resonator. The low-refractive index region may be annular, and may have a width corresponding to a width of a region in which electromagnetic radiation is concentrated in a whispering-gallery resonant mode. The low-refractive index region may be an air gap between the substrate and the resonator. The device may be a spectrometer for detecting a plurality of predetermined wavelengths of electromagnetic radiation.

Patent Agency Ranking