In-line gas sensor based on a photonic bandgap fiber with laser-drilled lateral microchannels
Lehmann, H., Bartelt, H., Willsch, R., Amezcua-Correa, R. and Knight, J. C., 2011. In-line gas sensor based on a photonic bandgap fiber with laser-drilled lateral microchannels. IEEE Sensors Journal, 11 (11), pp. 2926-2931.
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The fabrication, characterization, and gas sensor application of a hollow core photonic bandgap fiber (HC-PBGF) with laser drilled lateral microchannels will be described. The HC-PBGF was tailor-made for gas sensing applications in the near infrared region from 1.5 to 1.7 m wavelengths, covering the first harmonic absorptions of quite a number of natural gas components. Laser-drilled, lateral microchannels makes access to the light guiding core of the HC-PBGF and offers the ability to realize fast-responding, distributed gas sensor cells with large optical path lengths. The application of those cells in a distributed sensor arrangement using white light spectroscopy combined with chemometrical methods as interrogation method will be demonstrated.
|Creators||Lehmann, H., Bartelt, H., Willsch, R., Amezcua-Correa, R. and Knight, J. C.|
|Departments||Faculty of Science > Physics|
|Research Centres||Centre for Photonics and Photonic Materials|
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