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Integrated optical Bragg-grating-based chemical sensor on a curved input edge waveguide structure.

Abstract:
A novel integrated optical chemical sensor based on a surface-relief Bragg grating in a waveguide with a curved input edge, and coated with a chemically sensitive polysiloxane cladding, is described. The curved edge provides a mechanism within the device fabrication that allows for alignment of the input beam to the grating to achieve Bragg scattering. As proof of principle, a low-parts-in-10(6) toluene-vapor sensor with a fast response time is demonstrated.
Publication status:
Published

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Publisher copy:
10.1364/ol.24.000525

Authors


Butler, TM More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Blackie, N More by this author
Journal:
Optics letters
Volume:
24
Issue:
8
Pages:
525-527
Publication date:
1999-04-05
DOI:
EISSN:
1539-4794
ISSN:
0146-9592
URN:
uuid:7deb40f5-dd32-4b36-b816-7d3ba7430794
Source identifiers:
64535
Local pid:
pubs:64535
Language:
English

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