Journal article 1104 views
Retroemission by a glass bead monolayer for high-sensitivity, long-range imaging of upconverting phosphors
Optics Letters, Volume: 36, Issue: 15, Pages: 3009 - 3011
Swansea University Author:
Bjornar Sandnes
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DOI (Published version): 10.1364/ol.36.003009
Abstract
Retroemission by a glass bead monolayer for high-sensitivity, long-range imaging of upconverting phosphors
Published in: | Optics Letters |
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ISSN: | 0146-9592 1539-4794 |
Published: |
2011
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Online Access: |
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URI: | https://cronfa.swan.ac.uk/Record/cronfa13099 |
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Item Description: |
The paper introduced a new concept, Retroemission, and demonstrated a prototype with novel features including the ability to collect and confine luminescent emission, enabling long range sensing with low light loss. Using non-linear optical materials, a signal enhancement of over 3 orders of magnitude was demonstrated experimentally. The paper also presents analytical theory and simulations that reproduced the results and indicate that further contrast enhancement can be achieved through optimisation. A patent was lodged, and applications of this new technique are envisaged in remote sensing, security tagging, and biophotonics devices. |
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College: |
Faculty of Science and Engineering |
Issue: |
15 |
Start Page: |
3009 |
End Page: |
3011 |