Efficient, low-cost optical coupling mechanism for TiO2-SiO2 sol-gel derived slab waveguide surface grating coupler sensors

Andrzej Kazmierczak, Mateusz Slowikowski, Krystian Pavlov , Maciej Filipiak, Michael Vervaeke, Cuma Tyszkiewicz, Prof. Dr. Ir. Heidi Ottevaere, R. Piramidowicz, Pawel Karasinski

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1 Citaat (Scopus)

Samenvatting

We present an optical signal coupling scheme for slab waveguide surface grating coupler sensors. The proposed solution is based on the use of polymer microlenses. In this work we analyze two types of compact polymer lenses: the aspheric plano-convex lenses and Fresnel lenses. The feasibility of the proposed scheme is demonstrated by the experimental investigation into the optical signal coupling to the test structure of TiO2-SiO2 slab waveguide surface grating coupler using both types of lenses.
Originele taal-2English
Pagina's (van-tot)539-549
Aantal pagina's11
TijdschriftOptica Applicata
Volume50
Nummer van het tijdschrift4
DOI's
StatusPublished - 1 jan 2021

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