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Quantum Cascade Laser-Based Photoacoustic Sensor for Trace Detection of Formaldehyde Gas

We report on the development of a photoacoustic sensor for the detection of formaldehyde (CH(2)O) using a thermoelectrically cooled distributed-feedback quantum cascade laser operating in pulsed mode at 5.6 μm. A resonant photoacoustic cell, equipped with four electret microphones, is excited in its...

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Detalhes bibliográficos
Main Authors: Elia, Angela, Di Franco, Cinzia, Spagnolo, Vincenzo, Lugarà, Pietro Mario, Scamarcio, Gaetano
Formato: Artigo
Idioma:Inglês
Publicado em: Molecular Diversity Preservation International (MDPI) 2009
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC3348822/
https://ncbi.nlm.nih.gov/pubmed/22574040
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3390/s90402697
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