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Difference frequency generation in periodically poled lithium niobate and its use in the detection of atmospheric methane

Abstract:

Continuous wave mid-infrared radiation at 3.36 μm (power ≈ 18 μW) has been produced by difference frequency generation of the fundamental of a YAG laser at 1064 nm (220 mW) with a fibre pigtailed DFB diode laser operating at 1560 nm (50 mW) in periodically poled lithium niobate. The idler radiation has been used to make real-time measurements of ambient methane present in our laboratory using wavelength modulation spectroscopy via the P(4) multiplet transitions within the ν ...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
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Journal:
CHEMICAL PHYSICS LETTERS
Volume:
399
Issue:
1-3
Pages:
102-108
Publication date:
2004-11-21
DOI:
ISSN:
0009-2614
URN:
uuid:6cf56abf-1a7b-4ab8-a677-7508dec19304
Source identifiers:
39318
Local pid:
pubs:39318
Language:
English

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