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3.5-mu m high-resolution gas sensing employing a LiNbO3 QPM-DFG waveguide module

Abstract:

Diode laser technology coupled with a wavelength-conversion unit to produce mid-infrared narrow bandwidth laser light applicable to trace-gas detection and with the potential for high-resolution spectroscopy is described. Quasi-phase-matched difference-frequency generation (QPM-DFG) in a compact and fibre-coupled periodically poled lithium niobate (PPLN) waveguide module mixing 1063 and 1525-nm radiations has been adopted for generating 34 μW of 3.5-μm wavelength laser light. Optical detectio...

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Publication status:
Published

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Publisher copy:
10.1007/s00340-008-3291-0

Authors


Ciaffoni, L More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Orr-Ewing, AJ More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
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Journal:
APPLIED PHYSICS B-LASERS AND OPTICS
Volume:
94
Issue:
3
Pages:
517-525
Publication date:
2009-03-05
DOI:
EISSN:
1432-0649
ISSN:
0946-2171
URN:
uuid:4514585c-ac83-4839-9cca-c6366adeff4f
Source identifiers:
41068
Local pid:
pubs:41068
Language:
English

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