- 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 ...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1016/j.cplett.2004.09.146
-
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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
- Copyright date:
- 2004
Journal article
Difference frequency generation in periodically poled lithium niobate and its use in the detection of atmospheric methane
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