High performance all-polymeric optofluidic Fabry Perot microcavity for sensing applications

Genni Testa; Gianluca Persichetti; Romeo Bernini

doi:10.1117/12.3022215

20 June 2024 High performance all-polymeric optofluidic Fabry Perot microcavity for sensing applications

Genni Testa, Gianluca Persichetti, Romeo Bernini

Proceedings Volume PC13008, Biophotonics in Point-of-Care III; PC130080A (2024) https://doi.org/10.1117/12.3022215
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

In this work we propose a high quality optofluidic Fabry- Perot (FP) microcavity, entirely fabricated by using low-cost polymeric materials. The cavity, the mirrors and the substrates, including the microfluidic layer, are assembled by a simple and low-cost lamination process. The cavity length is L=50 µm. By exploring the different polymeric mirrors, resonators with quality factor up Q=1.8 ×105 and finesse of F=486 have been obtained. Refractometric sensing capability of about 300 nm/RIU has been measured. The straightforward fabrication, high quality factor (Q), and small modal volume, makes the proposed optofluidic FPs very promising in sensing applications of liquid sample, including biomedical and environmental monitoring.

Conference Presentation

Citation Download Citation

Genni Testa, Gianluca Persichetti, and Romeo Bernini "High performance all-polymeric optofluidic Fabry Perot microcavity for sensing applications", Proc. SPIE PC13008, Biophotonics in Point-of-Care III, PC130080A (20 June 2024); https://doi.org/10.1117/12.3022215

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