Design and fabrication of nano-structured gradient index microlenses

F. Hudelist, R. Buczynski, A. J. Waddie, M. R. Taghizadeh

Research output: Contribution to journalArticlepeer-review

68 Citations (Scopus)


We present a novel fabrication technology for nano-structured graded index micro-optical components, based on the stack-and-draw method used for photonic crystal fibres. These discrete structures can be described with an effective refractive index distribution. Furthermore we present spherical nano-structured microlenses with a flat facet fabricated with this method and designed using an algorithm based on the MaxwellGarnett mixing formula. Finally we show theoretical verification by using FDTD simulations for a nano-structured lens as well as experimental data obtained in the microwave regime. © 2009 Optical Society of America.

Original languageEnglish
Pages (from-to)3255-3263
Number of pages9
JournalOptics Express
Issue number5
Publication statusPublished - 2 Mar 2009


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