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Optical Engineering

Fresnel lenses fabricated by femtosecond laser micromachining on polymer one-dimensional photonic crystal
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Paper Abstract

We report the fabrication of micro-Fresnel lenses by femtosecond laser surface ablation on one-dimensional (1-D) polymer photonic crystals. This device is designed to focus the transmitted wavelength (520 nm) of the photonic crystal and filter the wavelengths corresponding to the photonic band-gap region (centered at 630 nm, ranging from 530 to 700 nm). Integration of such devices in a wavelength selective light harvesting and filtering microchip is envisaged.

Paper Details

Date Published: 27 January 2014
PDF: 6 pages
Opt. Eng. 53(7) 071813 doi: 10.1117/1.OE.53.7.071813
Published in: Optical Engineering Volume 53, Issue 7
Show Author Affiliations
Surya S. Guduru, Istituto Italiano di Tecnologia (Italy)
Francesco Scotognella, Istituto Italiano di Tecnologia (Italy)
Luigino Criante, Istituto Italiano di Tecnologia (Italy)
Rebeca Martinez Vazquez, Istituto di Fotonica e Nanotecnologie (Italy)
Roberta Ramponi, Politecnico di Milano (Italy)
Krishna C. Vishnubhatla, Istituto Italiano di Tecnologia (Italy)

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