Low-Loss Hollow Waveguide Fibers for Mid-Infrared Quantum Cascade Laser Sensing Applications

We report on single mode optical transmission of hollow core glass waveguides (HWG) coupled with an external cavity mid-IR quantum cascade lasers (QCLs). The QCL mode results perfectly matched to the hybrid HE(11) waveguide mode and the higher losses TE-like modes have efficiently suppressed by the...

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Detalles Bibliográficos
Autores principales: Patimisco, Pietro, Spagnolo, Vincenzo, Vitiello, Miriam S., Scamarcio, Gaetano, Bledt, Carlos M., Harrington, James A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2013
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3574738/
https://www.ncbi.nlm.nih.gov/pubmed/23337336
http://dx.doi.org/10.3390/s130101329
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author Patimisco, Pietro
Spagnolo, Vincenzo
Vitiello, Miriam S.
Scamarcio, Gaetano
Bledt, Carlos M.
Harrington, James A.
author_facet Patimisco, Pietro
Spagnolo, Vincenzo
Vitiello, Miriam S.
Scamarcio, Gaetano
Bledt, Carlos M.
Harrington, James A.
author_sort Patimisco, Pietro
collection PubMed
description We report on single mode optical transmission of hollow core glass waveguides (HWG) coupled with an external cavity mid-IR quantum cascade lasers (QCLs). The QCL mode results perfectly matched to the hybrid HE(11) waveguide mode and the higher losses TE-like modes have efficiently suppressed by the deposited inner dielectric coating. Optical losses down to 0.44 dB/m and output beam divergence of ∼5 mrad were measured. Using a HGW fiber with internal core size of 300 μm we obtained single mode laser transmission at 10.54 μm and successful employed it in a quartz enhanced photoacoustic gas sensor setup.
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spelling pubmed-35747382013-02-25 Low-Loss Hollow Waveguide Fibers for Mid-Infrared Quantum Cascade Laser Sensing Applications Patimisco, Pietro Spagnolo, Vincenzo Vitiello, Miriam S. Scamarcio, Gaetano Bledt, Carlos M. Harrington, James A. Sensors (Basel) Article We report on single mode optical transmission of hollow core glass waveguides (HWG) coupled with an external cavity mid-IR quantum cascade lasers (QCLs). The QCL mode results perfectly matched to the hybrid HE(11) waveguide mode and the higher losses TE-like modes have efficiently suppressed by the deposited inner dielectric coating. Optical losses down to 0.44 dB/m and output beam divergence of ∼5 mrad were measured. Using a HGW fiber with internal core size of 300 μm we obtained single mode laser transmission at 10.54 μm and successful employed it in a quartz enhanced photoacoustic gas sensor setup. MDPI 2013-01-21 /pmc/articles/PMC3574738/ /pubmed/23337336 http://dx.doi.org/10.3390/s130101329 Text en © 2013 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Patimisco, Pietro
Spagnolo, Vincenzo
Vitiello, Miriam S.
Scamarcio, Gaetano
Bledt, Carlos M.
Harrington, James A.
Low-Loss Hollow Waveguide Fibers for Mid-Infrared Quantum Cascade Laser Sensing Applications
title Low-Loss Hollow Waveguide Fibers for Mid-Infrared Quantum Cascade Laser Sensing Applications
title_full Low-Loss Hollow Waveguide Fibers for Mid-Infrared Quantum Cascade Laser Sensing Applications
title_fullStr Low-Loss Hollow Waveguide Fibers for Mid-Infrared Quantum Cascade Laser Sensing Applications
title_full_unstemmed Low-Loss Hollow Waveguide Fibers for Mid-Infrared Quantum Cascade Laser Sensing Applications
title_short Low-Loss Hollow Waveguide Fibers for Mid-Infrared Quantum Cascade Laser Sensing Applications
title_sort low-loss hollow waveguide fibers for mid-infrared quantum cascade laser sensing applications
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3574738/
https://www.ncbi.nlm.nih.gov/pubmed/23337336
http://dx.doi.org/10.3390/s130101329
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