Distributed gas sensor based on a photonic bandgap fiber cell with laser-drilled, lateral microchannels

Hartmut Lehmann; Hartmut Bartelt; Reinhardt Willsch; Rodrigo Amezcua-Correa; Jonathan C. Knight

doi:10.1117/12.866440

8 September 2010 Distributed gas sensor based on a photonic bandgap fiber cell with laser-drilled, lateral microchannels

Hartmut Lehmann, Hartmut Bartelt, Reinhardt Willsch, Rodrigo Amezcua-Correa, Jonathan C. Knight

Author Affiliations +

Proceedings Volume 7653, Fourth European Workshop on Optical Fibre Sensors; 76532W (2010) https://doi.org/10.1117/12.866440
Event: (EWOFS'10) Fourth European Workshop on Optical Fibre Sensors, 2010, Porto, Portugal

Abstract

The fabrication, characterization, and use of a laser-drilled hollow core photonic band gap fiber (HC-PBGF) as a gas sensor in the near infrared region, from 1.5 μm to 1.7 μm wavelengths, are discussed. HC- PBGFs with laser-drilled, lateral micro channels have the ability to realize fast-responding, distributed gas sensor cells with large optical path lengths. By using white light spectroscopy as a sensor interrogation method, together with chemometric methods, not only the detection of individual gases but also the quantification of composed gas mixtures is possible.

Citation Download Citation

Hartmut Lehmann, Hartmut Bartelt, Reinhardt Willsch, Rodrigo Amezcua-Correa, and Jonathan C. Knight "Distributed gas sensor based on a photonic bandgap fiber cell with laser-drilled, lateral microchannels", Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 76532W (8 September 2010); https://doi.org/10.1117/12.866440

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