Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/9935
Title: Photonic crystal spatial filters fabricated by physical vapour deposition
Authors: Gailevi?ius, D.
Grinevi?i?t?, L.
Babayigit, C.
Bor, E.
Turduev, M.
Purlys, V.
Staliunas, K.
Keywords: Crystal filters
Crystal structure
Diffraction
Light
Photonic crystals
Physical vapor deposition
Angular filtering
Diffraction orders
Photonic crystal (PhCs)
Photonic structure
Physical vapour deposition
Spatial filtering techniques
Spatial filters
Transmitted beams
Beamforming
Issue Date: 2019
Publisher: OSA - The Optical Society
Abstract: The idea of the angular, or equivalently - spatial, filtering by photonic crystals (PhCs) is based on a selective diffraction of the light propagating through the double-periodic photonic structure. The angular components of the incident light at a resonance with the transverse and longitudinal periodicities of the structure diffract efficiently and are removed from the zero-diffraction order of the transmitted beam. On the other hand, the propagation of the angular components that are out of the resonances is unaffected. Therefore, the angular/spatial filtering can be obtained by a suitable geometry of the PhCs. This idea already proven itself as a useful alternative to conventional spatial filtering techniques, and is being implemented in several applications, for instance for intracavity angular filtering in microlasers [1]. © 2019 IEEE
Description: The European Conference on Lasers and Electro-Optics, CLEO_Europe_2019 -- 23 June 2019 through 27 June 2019 -- 142098
URI: https://hdl.handle.net/20.500.11851/9935
ISBN: 9.78E+12
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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