Planar, high numerical-aperture lens using sub-wavelength high contrast grating

Planar lenses using sub-wavelength high contrast grating are investigated. By designing the phase of the grating, high numerical aperture lenses can be achieved, with small spherical aberration and low insertion loss.

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Bibliographic Details
Main Authors: Fanglu Lu, Sedgwick, Forrest, Chang-Hasnain, Connie J
Format: Conference Proceeding
Language:English
Subjects:
(220.3630) Lenses
Gratings
Lenses
Online Access:Request full text
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Description
Summary:Planar lenses using sub-wavelength high contrast grating are investigated. By designing the phase of the grating, high numerical aperture lenses can be achieved, with small spherical aberration and low insertion loss.
DOI:10.1364/cleo.2010.ctuw5