Guided-mode resonance filter with high-index substrate

Guided-mode resonance filter with high-index substrate

We report that a narrow guided-mode resonance (GMR) filter with high-index substrate can be achieved by introducing an added layer on the substrate. For this type of GMR filter, the refractive index and thickness of the added layer are the critical parameters for the GMR effect to occur. We demonstr...

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Veröffentlicht in:Optics letters 2012-11, Vol.37 (22), p.4648-4650
Hauptverfasser: Liu, Wenxing, Chen, Hong, Lai, Zhenquan
Format: Artikel
Sprache:eng
Schlagworte:
Refractive index
Refractivity
Tolerances
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Zusammenfassung:We report that a narrow guided-mode resonance (GMR) filter with high-index substrate can be achieved by introducing an added layer on the substrate. For this type of GMR filter, the refractive index and thickness of the added layer are the critical parameters for the GMR effect to occur. We demonstrate that this filter has good fabrication tolerances for the grating thickness and fill factor. Our design may promote the application of GMR filters in practice.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.37.004648