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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
Photonic crystals
Physical vapor deposition
Angular filtering
Diffraction orders
Photonic crystal (PhCs)
Photonic structure
Physical vapour deposition
Spatial filtering techniques
Spatial filters
Transmitted beams
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
ISBN: 9.78E+12
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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