Photonic-crystal waveguide biosensor

Nina Skivesen*, Amélie Têtu, Martin Kristensen, Jørgen Kjems, Lars H. Frandsen, Peter I. Borel

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

301 Citations (Scopus)

Abstract

A photonic-crystal waveguide sensor is presented for biosensing. The sensor is applied for refractive index measurements and detection of protein-concentrations. Concentrations around 10 μg/ml (0.15μMolar) are measured with excellent signal to noise ratio, and a broad, dynamic refractive index sensing range extending from air to high viscous fluids is presented.

Original languageEnglish
JournalOptics Express
Volume15
Issue number6
Pages (from-to)3169-3176
ISSN1094-4087
DOIs
Publication statusPublished - 2007

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