Porous silicon-based rugate filters
作者： Eduardo Lorenzo , Claudio J Oton , Néstor E Capuj , Mher Ghulinyan , Daniel Navarro-Urrios
DOI: 10.1364/AO.44.005415
关键词:
摘要: We report an experimental study of porous silicon-based rugate filters. performed filter apodization, following a half-apodization approach, which successfully attenuated the sidelobes at both sides photonic stop band. achieved successful reduction interference ripples through insertion index-matching layers on first and last interfaces. An apodized dielectric mirror are compared: Appreciable differences in harmonic presence stop-band performance were observed commented on. Bandwidth control when index contrast is modified also demonstrated. Finally, possibility combining different designs to attain more complex responses demonstrated by achievement multi-stop-band filter. Numerical calculations for design optimization comparison with data reported too.
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