Abstract

H2S absorption in the 3.6–4-μm wavelength region is studied with a tunable diode laser spectrometer. Wavelengths, line strengths, and pressure broadening coefficients of the strongest lines and of the lines adjacent to deuterium fluoride (DF) lines are determined. With these data the absorption cross sections of H2S at 1P DF wavelengths are calculated for atmospheric conditions and compared with the absorption cross sections measured directly with a DF laser.

© 1983 Optical Society of America

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References

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Allario, F.

Allen, H. C.

H. C. Allen, E. K. Plyler, J. Chem. Phys. 25, 1132 (1956).
[CrossRef]

Altmann, J.

Bair, C. H.

Barker, E. F.

H. H. Nielsen, E. F. Barker, Phys. Rev. 37, 727 (1931).
[CrossRef]

Baumgart, R.

Bruce, C. W.

Deaton, T. F.

T. F. Deaton, D. A. Depatie, T. W. Walker, Appl. Phys. Lett. 26, 300 (1975).
[CrossRef]

Denault, G. C.

Depatie, D. A.

T. F. Deaton, D. A. Depatie, T. W. Walker, Appl. Phys. Lett. 26, 300 (1975).
[CrossRef]

Derzko, Z.

Gurs, K.

K. Gurs, G. Schweizer, “Determination of Hydrocarbon Emissions of Refinery Flares Using the Method of Comparative Absorption Measurements by Means of Laser” (DGMK, Hamburg, 1978).

Heath, W.

W. Heath, Dissertation, Ohio State U., Columbus (1976).

Heinrich, H. J.

C. Weitkamp, H. J. Heinrich, W. Herrmann, Laser + Elektro-Opt. 12, Nr. 3, 23 (1980).

Herriott, D. R.

Herrmann, W.

C. Weitkamp, H. J. Heinrich, W. Herrmann, Laser + Elektro-Opt. 12, Nr. 3, 23 (1980).

Hurd, B. G.

Kogelnik, H.

Kompfner, R.

Krueger, G.

Lahmann, W.

Mills, F. S.

F. S. Mills, Dissertation, Ohio State U., Columbus (1975).

Nielsen, H. H.

H. H. Nielsen, E. F. Barker, Phys. Rev. 37, 727 (1931).
[CrossRef]

Plyler, E. K.

H. C. Allen, E. K. Plyler, J. Chem. Phys. 25, 1132 (1956).
[CrossRef]

Pokrowsky, P.

Schweizer, G.

K. Gurs, G. Schweizer, “Determination of Hydrocarbon Emissions of Refinery Flares Using the Method of Comparative Absorption Measurements by Means of Laser” (DGMK, Hamburg, 1978).

Sojka, B. Z.

Spencer, D. J.

Stephens, E. R.

Takimoto, H. H.

Walker, T. W.

T. F. Deaton, D. A. Depatie, T. W. Walker, Appl. Phys. Lett. 26, 300 (1975).
[CrossRef]

Watkins, W. R.

Weitkamp, C.

White, J. U.

White, K. O.

Appl. Opt. (10)

Appl. Phys. Lett. (1)

T. F. Deaton, D. A. Depatie, T. W. Walker, Appl. Phys. Lett. 26, 300 (1975).
[CrossRef]

Appl. Spectrosc. (1)

J. Chem. Phys. (1)

H. C. Allen, E. K. Plyler, J. Chem. Phys. 25, 1132 (1956).
[CrossRef]

J. Opt. Soc. Am. (1)

Laser + Elektro-Opt. (1)

C. Weitkamp, H. J. Heinrich, W. Herrmann, Laser + Elektro-Opt. 12, Nr. 3, 23 (1980).

Phys. Rev. (1)

H. H. Nielsen, E. F. Barker, Phys. Rev. 37, 727 (1931).
[CrossRef]

Other (3)

K. Gurs, G. Schweizer, “Determination of Hydrocarbon Emissions of Refinery Flares Using the Method of Comparative Absorption Measurements by Means of Laser” (DGMK, Hamburg, 1978).

F. S. Mills, Dissertation, Ohio State U., Columbus (1975).

W. Heath, Dissertation, Ohio State U., Columbus (1976).

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Figures (2)

Fig. 1
Fig. 1

Experimental arrangement for absorption measurements using a cw DF laser.

Fig. 2
Fig. 2

Experimental arrangement for absorption measurements using a tunable diode laser.

Tables (3)

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Table I Specific Absorption of H2S in N2 at DF Laser Wavelengths, ptotal 1 bar, pH2S 98 mbar, Gas Temperature 20°C, Accuracy ± 0.03 cm−1 atm−1

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Table II Most Intense Absorption Lines of H2S in the 3.6–3.8-μm Range.

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Table III Comparison of H2S Absorption Coefficients Measured with a Tunable Diode and a cw DF Lasera

Equations (1)

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σ = S 0 π γ / 2 ( γ / 2 ) 2 + ( Δ ν ) 2 ,

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