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Detection of formaldehyde using mid-infrared difference-frequency generation

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(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.

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Authors and Affiliations

  1. Rice Quantum Institute, Rice University, 6100 Main St., Houston, TX 77005, USA, , , , , , US

    Y. Mine, D.G. Lancaster, K.P. Petrov, R.F. Curl & F.K. Tittel

  2. Danish Institute of Fundamental Metrology, Lyngby, Denmark, , , , , , DK

    N. Melander

  3. Fachhochschule Ostfriesland, Dept. of Natural Science Technology, Constantiaplatz 4, 26723 Emden, Germany, , , , , , DE

    D. Richter

Authors
  1. Y. Mine
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  2. N. Melander
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  3. D. Richter
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  4. D.G. Lancaster
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  5. K.P. Petrov
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  6. R.F. Curl
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  7. F.K. Tittel
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Received: 29 September 1997

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Mine, Y., Melander, N., Richter, D. et al. Detection of formaldehyde using mid-infrared difference-frequency generation . Appl Phys B 65, 771–774 (1997). https://doi.org/10.1007/s003400050344

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  • DOI: https://doi.org/10.1007/s003400050344

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