Direct UV writing at the University of Southampton - substrates, structures and sensors
Direct UV writing at the University of Southampton - substrates, structures and sensors
We present our recent developments on direct-UV-written planar lightwave circuits (PLCs) based on applications in telecommunications, material characterisation and optical sensing. Interfering two focussed UV spots provides us with an unique capability to simultaneously define channel waveguides and Bragg gratings [1] in a multifunctional silica-on-silicon PLC chip (Figure 1a). This opens new device and application opportunities for laser-based processing. In particular, we have created a range of refractive index sensors and modulators by accessing the evanescent field of our planar Bragg gratings, incorporating functionalised surface chemistry to demonstrate chemical [2] and biological sensing capabilities [3], or liquid crystals to provide electrical wavelength tuning and selectivity [4].
Gates, J.C
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Kundys, D.O.
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Holmes, C
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Snow, B.D.
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Parker, R.M
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Major, H.E
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Gawith, C.B.E
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Smith, P.G.R
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2009
Gates, J.C
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Kundys, D.O.
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Holmes, C
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Snow, B.D.
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Parker, R.M
26653534-3159-4ea0-9991-d4540645a5b7
Major, H.E
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Gawith, C.B.E
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Smith, P.G.R
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Gates, J.C, Kundys, D.O., Holmes, C, Snow, B.D., Parker, R.M, Major, H.E, Gawith, C.B.E and Smith, P.G.R
(2009)
Direct UV writing at the University of Southampton - substrates, structures and sensors.
5th International Congress on Laser Advanced Materials Processing (LAMP 2009), Kobe, Japan, Kobe, Japan.
28 Jun - 01 Jul 2009.
Record type:
Conference or Workshop Item
(Paper)
Abstract
We present our recent developments on direct-UV-written planar lightwave circuits (PLCs) based on applications in telecommunications, material characterisation and optical sensing. Interfering two focussed UV spots provides us with an unique capability to simultaneously define channel waveguides and Bragg gratings [1] in a multifunctional silica-on-silicon PLC chip (Figure 1a). This opens new device and application opportunities for laser-based processing. In particular, we have created a range of refractive index sensors and modulators by accessing the evanescent field of our planar Bragg gratings, incorporating functionalised surface chemistry to demonstrate chemical [2] and biological sensing capabilities [3], or liquid crystals to provide electrical wavelength tuning and selectivity [4].
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Published date: 2009
Venue - Dates:
5th International Congress on Laser Advanced Materials Processing (LAMP 2009), Kobe, Japan, Kobe, Japan, 2009-06-28 - 2009-07-01
Identifiers
Local EPrints ID: 79008
URI: http://eprints.soton.ac.uk/id/eprint/79008
PURE UUID: ba925a57-467f-42e7-bb33-f5bed6f57cb1
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Date deposited: 16 Mar 2010
Last modified: 11 Dec 2021 04:11
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Contributors
Author:
J.C Gates
Author:
D.O. Kundys
Author:
B.D. Snow
Author:
R.M Parker
Author:
H.E Major
Author:
C.B.E Gawith
Author:
P.G.R Smith
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