Detection of formaldehyde using mid-infrared difference-frequency generation |
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| Authors: | Y. Mine N. Melander D. Richter D.G. Lancaster K.P. Petrov R.F. Curl F.K. Tittel |
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| Affiliation: | (1) Rice Quantum Institute, Rice University, 6100 Main St., Houston, TX 77005, USA, US;(2) Danish Institute of Fundamental Metrology, Lyngby, Denmark, DK;(3) Fachhochschule Ostfriesland, Dept. of Natural Science Technology, Constantiaplatz 4, 26723 Emden, Germany, DE |
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| Abstract: | 3 (PPLN) is reported. Minimum detectable concentration of 30 ppb was achieved with a compact, portable room-temperature gas sensor configured for formaldehyde (H2CO) detection. This sensitivity, coupled with high selectivity and long term stability, is sufficient for various environmental applications. Received: 29 September 1997 |
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| Keywords: | PACS: 7:65 33:00 42.60 42.65 42.80 |
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