Angular filtering by Bragg photonic microstructures fabricated by physical vapour deposition

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We propose and experimentally demonstrate spatial filtering by photonic crystals in a Bragg configuration. Compared to the Laue configuration, where spatial filtering was already demonstrated before, the Bragg configuration is more technologically challenging, as the longitudinal periods of such structures must be shorter than the operational wavelength. The proposed configuration is designed and analyzed by FDTD simulations and the multilayer structure is fabricated by physical vapour deposition on the microstructured substrate. The measurements of the angle/wavelength transmission of the fabricated structure show the signatures of the angular filtering.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2019-07
Language
English
Article Type
Article; Proceedings Paper
Citation

APPLIED SURFACE SCIENCE, v.481, pp.353 - 359

ISSN
0169-4332
DOI
10.1016/j.apsusc.2019.03.082
URI
http://hdl.handle.net/10203/282580
Appears in Collection
EE-Journal Papers(저널논문)
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