Inorganic based optical transducers have demonstrated their suitability for labelled and label-free sensing of biomolecules but suffer from their relatively high cost. Photonic structures fabricated in polymer by molding techniques could drastically reduce the cost per test and pave the way for label-free screening in point-of care environment where the cost per test is an essential concern. In this paper we present the advances in the fabrication of waveguides with cyclo olefin copolymer (COC) cladding and TiO2 core with mass-production compatible injection molding and evaporation. We demonstrate the optical propagation in a slab waveguide supporting both transverse electric and magnetic modes and monitor the response of the phase difference between the two modes when a droplet of water is deposited on the chip.
|Title of host publication||International Conference on Transparent Optical Networks|
|Publisher||IEEE Computer Society Press|
|Publication status||Published - 2014|
|Event||16th International Conference on Transparent Optical Networks, ICTON 2014 - Graz, Austria|
Duration: 6 Jul 2014 → 10 Jul 2014
|Conference||16th International Conference on Transparent Optical Networks, ICTON 2014|
|Period||6/07/14 → 10/07/14|
- Injection molding
- Photonic sensor
- Polymeric-inorganic composite
- Slab waveguide
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Technological Platform Synthesis, Irradiation and Analysis of Materials
Facility/equipment: Technological Platform