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Fabricating fiber Bragg gratings using phase modulated direct UV writing

Fabricating fiber Bragg gratings using phase modulated direct UV writing
Fabricating fiber Bragg gratings using phase modulated direct UV writing
The authors present a direct UV writing approach to fabricate fiber Bragg gratings (FBGs) and gratings in photolithographic waveguides. The technique uses two coherent UV beams, which are focused to a small spot (~7µm diameter) at the point at which they overlap. The resulting interference pattern at the foci consists of fringes which are used to define several grating planes per exposure, giving greater design flexibility and a significantly larger accessible spectral range compared to traditional approaches. The typical index contrast during grating fabrication is observed to be 4.7x10-3, at writing speeds of 8 mm/min.
Holmes, C.
16306bb8-8a46-4fd7-bb19-a146758e5263
Sima, C.
f756f89a-ef24-4164-911e-793aac6bf949
Mennea, P.L.
d994ba05-bcc1-4be3-8ba1-439fb1535a3f
Carpenter, Lewis
0daa548e-0d42-4b06-b914-45bfbec41759
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Holmes, C.
16306bb8-8a46-4fd7-bb19-a146758e5263
Sima, C.
f756f89a-ef24-4164-911e-793aac6bf949
Mennea, P.L.
d994ba05-bcc1-4be3-8ba1-439fb1535a3f
Carpenter, Lewis
0daa548e-0d42-4b06-b914-45bfbec41759
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6

Holmes, C., Sima, C., Mennea, P.L., Carpenter, Lewis, Gates, J.C. and Smith, P.G.R. (2014) Fabricating fiber Bragg gratings using phase modulated direct UV writing. SPIE Photonics West 2014, San Francisco, United States. 01 - 06 Feb 2014. (doi:10.1117/12.2040578).

Record type: Conference or Workshop Item (Paper)

Abstract

The authors present a direct UV writing approach to fabricate fiber Bragg gratings (FBGs) and gratings in photolithographic waveguides. The technique uses two coherent UV beams, which are focused to a small spot (~7µm diameter) at the point at which they overlap. The resulting interference pattern at the foci consists of fringes which are used to define several grating planes per exposure, giving greater design flexibility and a significantly larger accessible spectral range compared to traditional approaches. The typical index contrast during grating fabrication is observed to be 4.7x10-3, at writing speeds of 8 mm/min.

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More information

Published date: 2014
Venue - Dates: SPIE Photonics West 2014, San Francisco, United States, 2014-02-01 - 2014-02-06
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 363038
URI: https://eprints.soton.ac.uk/id/eprint/363038
PURE UUID: 0ff4490a-43ba-4441-94d1-1f64899f6e8f
ORCID for C. Holmes: ORCID iD orcid.org/0000-0001-9021-3760
ORCID for J.C. Gates: ORCID iD orcid.org/0000-0001-8671-5987
ORCID for P.G.R. Smith: ORCID iD orcid.org/0000-0003-0319-718X

Catalogue record

Date deposited: 20 Mar 2014 11:56
Last modified: 17 Oct 2019 00:38

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