MATEC Web of Conferences
Volume 8, 2013Progress in Ultrafast Laser Modifications of Materials
|Number of page(s)
|Photonics and optical components
|18 November 2013
Fresnel Lenses fabricated by femtosecond laser micromachining on Polymer 1D Photonic Crystal
1 Center for Nano Science and Technology@PoliMi, Istituto Italiano di Tecnologia, Via Giovanni Pascoli, 70/3, 20133, Milan, Italy
2 Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133, Milan, Italy
3 Istituto di Fotonica e Nanotecnologie - CNR, Piazza Leonardo da Vinci 32, 20133, Milan, Italy
* Corresponding Author: Krishna.Vishunubhatla@iit.i
We report the fabrication of micro Fresnel lenses by femtosecond laser surface ablation on polymer 1D photonic crystals. This device is designed to focus the transmitted wavelength of the photonic crystal and filter the wavelengths corresponding to the photonic band gap region. Integration of such devices in a wavelength selective light harvesting and filtering microchip can be achieved.
© Owned by the authors, published by EDP Sciences, 2013
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