Abstract

An inexpensive and portable ammonia monitoring system based on near-infrared GaAs-type diode lasers is described. The minimum detectable ammonia concentration is 2 parts in 106 at 100 Torr (with 1-s response time and 1-m absorption path length).

© 1993 Optical Society of America

Full Article  |  PDF Article

References

  • View by:
  • |
  • |
  • |

  1. R. Grisar, H. Preier, G. Schmidtke, G. Restelli, eds. (Reidel, Dordrecht, The Netherlands, Monitoring of Gaseous Pollutants by Tunable Diode Lasers, 1987).
    [CrossRef]
  2. R. Grisar, G. Schmidtke, M. Tacke, G. Restelli, eds., Monitoring of Gaseous Pollutants by Tunable Diode Lasers, (Kluwer, Dordrecht, The Netherlands, 1989).
    [CrossRef]
  3. Miran 1BX ambient air analyzer (Foxboro Company, Foxboro, Mass., 1991).
  4. W. Meienburg, H. Neckel, J. Wolfrum, “In situ measurements of ammonia with a 13CO2-waveguide laser system,” Appl. Phys. B 51, 94–98 (1990).
    [CrossRef]
  5. Lisa in situ ammonia monitor, Mütek, Herrsching, Germany.
  6. M. Ohtsu, H. Kotani, H. Tagawa, “Spectral measurements of NH3 and H2O for pollutant gas monitoring by 1.5 μm InGaAsP/InP lasers,” Jpn. J. Appl. Phys. 22, 1553–1557 (1983).
    [CrossRef]
  7. G. Guelechvili, Laboratoire de Physique Moléculaire et Applications, Université de Paris Sud, Orsay, France (personal communication, 1992).

1990 (1)

W. Meienburg, H. Neckel, J. Wolfrum, “In situ measurements of ammonia with a 13CO2-waveguide laser system,” Appl. Phys. B 51, 94–98 (1990).
[CrossRef]

1983 (1)

M. Ohtsu, H. Kotani, H. Tagawa, “Spectral measurements of NH3 and H2O for pollutant gas monitoring by 1.5 μm InGaAsP/InP lasers,” Jpn. J. Appl. Phys. 22, 1553–1557 (1983).
[CrossRef]

Guelechvili, G.

G. Guelechvili, Laboratoire de Physique Moléculaire et Applications, Université de Paris Sud, Orsay, France (personal communication, 1992).

Kotani, H.

M. Ohtsu, H. Kotani, H. Tagawa, “Spectral measurements of NH3 and H2O for pollutant gas monitoring by 1.5 μm InGaAsP/InP lasers,” Jpn. J. Appl. Phys. 22, 1553–1557 (1983).
[CrossRef]

Meienburg, W.

W. Meienburg, H. Neckel, J. Wolfrum, “In situ measurements of ammonia with a 13CO2-waveguide laser system,” Appl. Phys. B 51, 94–98 (1990).
[CrossRef]

Neckel, H.

W. Meienburg, H. Neckel, J. Wolfrum, “In situ measurements of ammonia with a 13CO2-waveguide laser system,” Appl. Phys. B 51, 94–98 (1990).
[CrossRef]

Ohtsu, M.

M. Ohtsu, H. Kotani, H. Tagawa, “Spectral measurements of NH3 and H2O for pollutant gas monitoring by 1.5 μm InGaAsP/InP lasers,” Jpn. J. Appl. Phys. 22, 1553–1557 (1983).
[CrossRef]

Tagawa, H.

M. Ohtsu, H. Kotani, H. Tagawa, “Spectral measurements of NH3 and H2O for pollutant gas monitoring by 1.5 μm InGaAsP/InP lasers,” Jpn. J. Appl. Phys. 22, 1553–1557 (1983).
[CrossRef]

Wolfrum, J.

W. Meienburg, H. Neckel, J. Wolfrum, “In situ measurements of ammonia with a 13CO2-waveguide laser system,” Appl. Phys. B 51, 94–98 (1990).
[CrossRef]

Appl. Phys. B (1)

W. Meienburg, H. Neckel, J. Wolfrum, “In situ measurements of ammonia with a 13CO2-waveguide laser system,” Appl. Phys. B 51, 94–98 (1990).
[CrossRef]

Jpn. J. Appl. Phys. (1)

M. Ohtsu, H. Kotani, H. Tagawa, “Spectral measurements of NH3 and H2O for pollutant gas monitoring by 1.5 μm InGaAsP/InP lasers,” Jpn. J. Appl. Phys. 22, 1553–1557 (1983).
[CrossRef]

Other (5)

G. Guelechvili, Laboratoire de Physique Moléculaire et Applications, Université de Paris Sud, Orsay, France (personal communication, 1992).

Lisa in situ ammonia monitor, Mütek, Herrsching, Germany.

R. Grisar, H. Preier, G. Schmidtke, G. Restelli, eds. (Reidel, Dordrecht, The Netherlands, Monitoring of Gaseous Pollutants by Tunable Diode Lasers, 1987).
[CrossRef]

R. Grisar, G. Schmidtke, M. Tacke, G. Restelli, eds., Monitoring of Gaseous Pollutants by Tunable Diode Lasers, (Kluwer, Dordrecht, The Netherlands, 1989).
[CrossRef]

Miran 1BX ambient air analyzer (Foxboro Company, Foxboro, Mass., 1991).

Cited By

OSA participates in CrossRef's Cited-By Linking service. Citing articles from OSA journals and other participating publishers are listed here.

Alert me when this article is cited.


Figures (1)

Fig. 1
Fig. 1

Experimental arrangement for the near-infrared ammonia monitoring system. PD’s, photodiodes.

Metrics