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High-index contrast waveguides for microparticle guidance

High-index contrast waveguides for microparticle guidance
High-index contrast waveguides for microparticle guidance
Design, fabrication and optimization of high refractive-index contrast Tantalum Pentoxide (Ta2O5) nanoscale waveguides are reported. The strong evanescent field in such nanoscale (150nm-250nm thick) and high-refractive index contrast (Delta.n ~ 0.65) waveguides provide an ideal integrated platform for cell/micro-particle guiding, sorting and diagnosis applications. Optical guiding velocity of 50µm/sec was obtained for 8µm microparticle with guided power of only 20mW.
Ahluwalia, B.S.
5043e256-bb87-4d14-a4cf-6ca73c111c98
Hellesø, O.G.
79e9b15b-e42c-4a15-8465-d1838152a090
Subramanian, A.Z.
051aee73-cf97-4738-8784-fbaff72bd6b9
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Ahluwalia, B.S.
5043e256-bb87-4d14-a4cf-6ca73c111c98
Hellesø, O.G.
79e9b15b-e42c-4a15-8465-d1838152a090
Subramanian, A.Z.
051aee73-cf97-4738-8784-fbaff72bd6b9
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca

Ahluwalia, B.S., Hellesø, O.G., Subramanian, A.Z. and Wilkinson, J.S. (2008) High-index contrast waveguides for microparticle guidance. Photonics 2008, , New Delhi, India. 13 - 17 Dec 2008.

Record type: Conference or Workshop Item (Paper)

Abstract

Design, fabrication and optimization of high refractive-index contrast Tantalum Pentoxide (Ta2O5) nanoscale waveguides are reported. The strong evanescent field in such nanoscale (150nm-250nm thick) and high-refractive index contrast (Delta.n ~ 0.65) waveguides provide an ideal integrated platform for cell/micro-particle guiding, sorting and diagnosis applications. Optical guiding velocity of 50µm/sec was obtained for 8µm microparticle with guided power of only 20mW.

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More information

Published date: 2008
Venue - Dates: Photonics 2008, , New Delhi, India, 2008-12-13 - 2008-12-17
Organisations: Optoelectronics Research Centre
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 268066
URI: http://eprints.soton.ac.uk/id/eprint/268066
PURE UUID: 8c66544b-050c-448e-928c-42c9072eff8a
ORCID for J.S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697

Catalogue record

Date deposited: 19 Oct 2009 14:32
Last modified: 15 Mar 2024 02:34

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Contributors

Author: B.S. Ahluwalia
Author: O.G. Hellesø
Author: A.Z. Subramanian
Author: J.S. Wilkinson ORCID iD

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