Oligofluorene truxene laser sensor: towards bacteria growth detection

Eilidh Johnston, Anne-Marie Haughey, Mark Scullion, Alexander L. Kanibolotsky, Peter J Skabara, Nicolas Laurand

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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Abstract

Work toward the utilisation of an organic laser as a bacterial growth detector is presented here. The sensor used is an optically excited 2nd order DFB (distributed feedback laser) made of oligofluorene truxene. In the drive towards a practical bacterial growth detector, temperature stability and the optimum growth conditions of bacteria are challenges to be overcome. The resultant DFB laser exhibits a sensitivity of 9 nm/RIU.
Original languageEnglish
Title of host publication2019 IEEE 2nd British and Irish Conference on Optics and Photonics (BICOP)
Place of PublicationPiscataway, N.J.
PublisherIEEE
Number of pages4
ISBN (Electronic)978-1-7281-4948-6
DOIs
Publication statusPublished - 9 Apr 2020
Event2nd IEEE British and Irish Conference on Optics and Photonics - IET Savoy London, London, United Kingdom
Duration: 11 Dec 201913 Dec 2019
https://ieeebicop.com/

Conference

Conference2nd IEEE British and Irish Conference on Optics and Photonics
Abbreviated titleBICOP 2019
Country/TerritoryUnited Kingdom
CityLondon
Period11/12/1913/12/19
Internet address

Keywords

  • laser excitation
  • microorganisms
  • gratings
  • surface emitting lasers
  • pump lasers
  • optical sensors

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