High effiency small-size planar hyperbolical lenses

P.C.A. Hamnes, Gijsbertus J.M. Krijnen, A. Driessen

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    Abstract

    Planar hyperbolical lenses with an average efficiency of 85% for coupling a 40 μm wide beam into a 4 μm wide waveguide are realised. The total length required for the beam compression is 600 μm, with a lateral index contrast of 0.01. Good agreement is found between the BPM predicted and the measured lens efficiencies.
    Original languageUndefined
    Article number10.1049/el:19900689
    Pages (from-to)1064-1066
    Number of pages3
    JournalElectronics letters
    Volume26
    Issue number14
    DOIs
    Publication statusPublished - 5 Jul 1990

    Keywords

    • EWI-14220
    • IR-65139

    Cite this

    Hamnes, P. C. A., Krijnen, G. J. M., & Driessen, A. (1990). High effiency small-size planar hyperbolical lenses. Electronics letters, 26(14), 1064-1066. [10.1049/el:19900689]. https://doi.org/10.1049/el:19900689