Abstract

Propane decomposition by IR laser radiation at 10.6 μm was studied with a pulsed multimode TEA CO2 laser and also with a cw CO2 laser. Propane molecules do not undergo appreciable photochemical decomposition via multiphoton absorption processes for laser fluences up to 40 J/cm2 (400 MW/cm2). At higher fluences plasmas are formed which cause extensive dissociation. If the radiation is incident on an aluminum surface in contact with propane, the molecules dissociate at an energy fluence as low as 2 J/cm2 (20 MW/cm2). This is considered to be due to plasma formation in the propane near the surface.

© 1983 Optical Society of America

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References

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  1. Sci. Am. 240, No. 5, 114 (1979); Phys. Today 33, No. 11, 27 (1980).
  2. G. L. Denman, R. E. Brocklehurst, Report AFML/LPJTM-78-2 (1978).
  3. J. A. McMordie, G. W. Sentance, J. Phys. D 10, 106 (1977).
    [CrossRef]
  4. R. W. MacPherson, R-701/73, Defence Research Establishment, Valcartier, Canada (1973).
  5. P. A. Schultz, Aa. S. Sudbo, D. J. Krajnovich, H. S. Kwok, Y. R. Shen, Y. T. Lee, Ann. Rev. Phys. Chem. 30, 379 (1979).
    [CrossRef]
  6. Y. T. Lee, Y. R. Shen, Phys. Today 33, No. 11, 52 (1980).
    [CrossRef]
  7. A. Lifshitz, M. Frenklach, J. Phys. Chem. 79, 686 (1975).
    [CrossRef]
  8. J. A. McKay, J. T. Schriempf, IEEE J. Quantum Electron QE-17, 2008 (1981).
    [CrossRef]
  9. C. T. Walters, R. H. Barnes, R. E. Beverly, J. Appi. Phys. 49, 2937 (1978); J. A. McKay, J. T. Schriempf, T. L. Cronburg, J. E. Eninger, J. A. Woodroffe, Appl. Phys. Lett. 36, 125 (1980).
    [CrossRef]
  10. S. Marcus, J. E. Lowder, D. L. Mooney, J. Appl. Phys. 47, 2966 (1976).
    [CrossRef]
  11. H. Pazendah, C. Marsal, F. Lempereur, J. T. Maleissye, Int. J. Chem. Kinet. 11, 595 (1979); J. T. Maleissye, F. Lempereur, C. Marsal, in Lasers in Chemistry, M. A. West, Ed. (Elsevier, Amsterdam, 1977), p. 271.
    [CrossRef]
  12. P. Avouris, I. Y. Chan, M. M. T. Loy, J. Chem. Phys. 72, 3522 (1980).
    [CrossRef]
  13. Y. R. Shen, Rev. Mod. Phys. 48, 1 (1976).
    [CrossRef]

1981 (1)

J. A. McKay, J. T. Schriempf, IEEE J. Quantum Electron QE-17, 2008 (1981).
[CrossRef]

1980 (2)

Y. T. Lee, Y. R. Shen, Phys. Today 33, No. 11, 52 (1980).
[CrossRef]

P. Avouris, I. Y. Chan, M. M. T. Loy, J. Chem. Phys. 72, 3522 (1980).
[CrossRef]

1979 (3)

Sci. Am. 240, No. 5, 114 (1979); Phys. Today 33, No. 11, 27 (1980).

P. A. Schultz, Aa. S. Sudbo, D. J. Krajnovich, H. S. Kwok, Y. R. Shen, Y. T. Lee, Ann. Rev. Phys. Chem. 30, 379 (1979).
[CrossRef]

H. Pazendah, C. Marsal, F. Lempereur, J. T. Maleissye, Int. J. Chem. Kinet. 11, 595 (1979); J. T. Maleissye, F. Lempereur, C. Marsal, in Lasers in Chemistry, M. A. West, Ed. (Elsevier, Amsterdam, 1977), p. 271.
[CrossRef]

1978 (1)

C. T. Walters, R. H. Barnes, R. E. Beverly, J. Appi. Phys. 49, 2937 (1978); J. A. McKay, J. T. Schriempf, T. L. Cronburg, J. E. Eninger, J. A. Woodroffe, Appl. Phys. Lett. 36, 125 (1980).
[CrossRef]

1977 (1)

J. A. McMordie, G. W. Sentance, J. Phys. D 10, 106 (1977).
[CrossRef]

1976 (2)

S. Marcus, J. E. Lowder, D. L. Mooney, J. Appl. Phys. 47, 2966 (1976).
[CrossRef]

Y. R. Shen, Rev. Mod. Phys. 48, 1 (1976).
[CrossRef]

1975 (1)

A. Lifshitz, M. Frenklach, J. Phys. Chem. 79, 686 (1975).
[CrossRef]

Avouris, P.

P. Avouris, I. Y. Chan, M. M. T. Loy, J. Chem. Phys. 72, 3522 (1980).
[CrossRef]

Barnes, R. H.

C. T. Walters, R. H. Barnes, R. E. Beverly, J. Appi. Phys. 49, 2937 (1978); J. A. McKay, J. T. Schriempf, T. L. Cronburg, J. E. Eninger, J. A. Woodroffe, Appl. Phys. Lett. 36, 125 (1980).
[CrossRef]

Beverly, R. E.

C. T. Walters, R. H. Barnes, R. E. Beverly, J. Appi. Phys. 49, 2937 (1978); J. A. McKay, J. T. Schriempf, T. L. Cronburg, J. E. Eninger, J. A. Woodroffe, Appl. Phys. Lett. 36, 125 (1980).
[CrossRef]

Brocklehurst, R. E.

G. L. Denman, R. E. Brocklehurst, Report AFML/LPJTM-78-2 (1978).

Chan, I. Y.

P. Avouris, I. Y. Chan, M. M. T. Loy, J. Chem. Phys. 72, 3522 (1980).
[CrossRef]

Denman, G. L.

G. L. Denman, R. E. Brocklehurst, Report AFML/LPJTM-78-2 (1978).

Frenklach, M.

A. Lifshitz, M. Frenklach, J. Phys. Chem. 79, 686 (1975).
[CrossRef]

Krajnovich, D. J.

P. A. Schultz, Aa. S. Sudbo, D. J. Krajnovich, H. S. Kwok, Y. R. Shen, Y. T. Lee, Ann. Rev. Phys. Chem. 30, 379 (1979).
[CrossRef]

Kwok, H. S.

P. A. Schultz, Aa. S. Sudbo, D. J. Krajnovich, H. S. Kwok, Y. R. Shen, Y. T. Lee, Ann. Rev. Phys. Chem. 30, 379 (1979).
[CrossRef]

Lee, Y. T.

Y. T. Lee, Y. R. Shen, Phys. Today 33, No. 11, 52 (1980).
[CrossRef]

P. A. Schultz, Aa. S. Sudbo, D. J. Krajnovich, H. S. Kwok, Y. R. Shen, Y. T. Lee, Ann. Rev. Phys. Chem. 30, 379 (1979).
[CrossRef]

Lempereur, F.

H. Pazendah, C. Marsal, F. Lempereur, J. T. Maleissye, Int. J. Chem. Kinet. 11, 595 (1979); J. T. Maleissye, F. Lempereur, C. Marsal, in Lasers in Chemistry, M. A. West, Ed. (Elsevier, Amsterdam, 1977), p. 271.
[CrossRef]

Lifshitz, A.

A. Lifshitz, M. Frenklach, J. Phys. Chem. 79, 686 (1975).
[CrossRef]

Lowder, J. E.

S. Marcus, J. E. Lowder, D. L. Mooney, J. Appl. Phys. 47, 2966 (1976).
[CrossRef]

Loy, M. M. T.

P. Avouris, I. Y. Chan, M. M. T. Loy, J. Chem. Phys. 72, 3522 (1980).
[CrossRef]

MacPherson, R. W.

R. W. MacPherson, R-701/73, Defence Research Establishment, Valcartier, Canada (1973).

Maleissye, J. T.

H. Pazendah, C. Marsal, F. Lempereur, J. T. Maleissye, Int. J. Chem. Kinet. 11, 595 (1979); J. T. Maleissye, F. Lempereur, C. Marsal, in Lasers in Chemistry, M. A. West, Ed. (Elsevier, Amsterdam, 1977), p. 271.
[CrossRef]

Marcus, S.

S. Marcus, J. E. Lowder, D. L. Mooney, J. Appl. Phys. 47, 2966 (1976).
[CrossRef]

Marsal, C.

H. Pazendah, C. Marsal, F. Lempereur, J. T. Maleissye, Int. J. Chem. Kinet. 11, 595 (1979); J. T. Maleissye, F. Lempereur, C. Marsal, in Lasers in Chemistry, M. A. West, Ed. (Elsevier, Amsterdam, 1977), p. 271.
[CrossRef]

McKay, J. A.

J. A. McKay, J. T. Schriempf, IEEE J. Quantum Electron QE-17, 2008 (1981).
[CrossRef]

McMordie, J. A.

J. A. McMordie, G. W. Sentance, J. Phys. D 10, 106 (1977).
[CrossRef]

Mooney, D. L.

S. Marcus, J. E. Lowder, D. L. Mooney, J. Appl. Phys. 47, 2966 (1976).
[CrossRef]

Pazendah, H.

H. Pazendah, C. Marsal, F. Lempereur, J. T. Maleissye, Int. J. Chem. Kinet. 11, 595 (1979); J. T. Maleissye, F. Lempereur, C. Marsal, in Lasers in Chemistry, M. A. West, Ed. (Elsevier, Amsterdam, 1977), p. 271.
[CrossRef]

Schriempf, J. T.

J. A. McKay, J. T. Schriempf, IEEE J. Quantum Electron QE-17, 2008 (1981).
[CrossRef]

Schultz, P. A.

P. A. Schultz, Aa. S. Sudbo, D. J. Krajnovich, H. S. Kwok, Y. R. Shen, Y. T. Lee, Ann. Rev. Phys. Chem. 30, 379 (1979).
[CrossRef]

Sentance, G. W.

J. A. McMordie, G. W. Sentance, J. Phys. D 10, 106 (1977).
[CrossRef]

Shen, Y. R.

Y. T. Lee, Y. R. Shen, Phys. Today 33, No. 11, 52 (1980).
[CrossRef]

P. A. Schultz, Aa. S. Sudbo, D. J. Krajnovich, H. S. Kwok, Y. R. Shen, Y. T. Lee, Ann. Rev. Phys. Chem. 30, 379 (1979).
[CrossRef]

Y. R. Shen, Rev. Mod. Phys. 48, 1 (1976).
[CrossRef]

Sudbo, Aa. S.

P. A. Schultz, Aa. S. Sudbo, D. J. Krajnovich, H. S. Kwok, Y. R. Shen, Y. T. Lee, Ann. Rev. Phys. Chem. 30, 379 (1979).
[CrossRef]

Walters, C. T.

C. T. Walters, R. H. Barnes, R. E. Beverly, J. Appi. Phys. 49, 2937 (1978); J. A. McKay, J. T. Schriempf, T. L. Cronburg, J. E. Eninger, J. A. Woodroffe, Appl. Phys. Lett. 36, 125 (1980).
[CrossRef]

Ann. Rev. Phys. Chem. (1)

P. A. Schultz, Aa. S. Sudbo, D. J. Krajnovich, H. S. Kwok, Y. R. Shen, Y. T. Lee, Ann. Rev. Phys. Chem. 30, 379 (1979).
[CrossRef]

IEEE J. Quantum Electron (1)

J. A. McKay, J. T. Schriempf, IEEE J. Quantum Electron QE-17, 2008 (1981).
[CrossRef]

Int. J. Chem. Kinet. (1)

H. Pazendah, C. Marsal, F. Lempereur, J. T. Maleissye, Int. J. Chem. Kinet. 11, 595 (1979); J. T. Maleissye, F. Lempereur, C. Marsal, in Lasers in Chemistry, M. A. West, Ed. (Elsevier, Amsterdam, 1977), p. 271.
[CrossRef]

J. Appi. Phys. (1)

C. T. Walters, R. H. Barnes, R. E. Beverly, J. Appi. Phys. 49, 2937 (1978); J. A. McKay, J. T. Schriempf, T. L. Cronburg, J. E. Eninger, J. A. Woodroffe, Appl. Phys. Lett. 36, 125 (1980).
[CrossRef]

J. Appl. Phys. (1)

S. Marcus, J. E. Lowder, D. L. Mooney, J. Appl. Phys. 47, 2966 (1976).
[CrossRef]

J. Chem. Phys. (1)

P. Avouris, I. Y. Chan, M. M. T. Loy, J. Chem. Phys. 72, 3522 (1980).
[CrossRef]

J. Phys. Chem. (1)

A. Lifshitz, M. Frenklach, J. Phys. Chem. 79, 686 (1975).
[CrossRef]

J. Phys. D (1)

J. A. McMordie, G. W. Sentance, J. Phys. D 10, 106 (1977).
[CrossRef]

Phys. Today (1)

Y. T. Lee, Y. R. Shen, Phys. Today 33, No. 11, 52 (1980).
[CrossRef]

Rev. Mod. Phys. (1)

Y. R. Shen, Rev. Mod. Phys. 48, 1 (1976).
[CrossRef]

Sci. Am. (1)

Sci. Am. 240, No. 5, 114 (1979); Phys. Today 33, No. 11, 27 (1980).

Other (2)

G. L. Denman, R. E. Brocklehurst, Report AFML/LPJTM-78-2 (1978).

R. W. MacPherson, R-701/73, Defence Research Establishment, Valcartier, Canada (1973).

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Figures (3)

Fig. 1
Fig. 1

Experimental arrangements for laser irradiation of gases.

Fig. 2
Fig. 2

Percent of propane remaining after single laser pulses in experimental arrangement (b) at two different fluences plotted as function of percent propane in Ar in the original mixture.

Fig. 3
Fig. 3

Product distribution in single-pulse experiments in arrangement (b) for pulse energy of 11.7 J/cm2, plotted as a function of percent propane in Ar in the original mixture.

Tables (1)

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Table I Ethane Decomposition Data, Initial Pressure 60 Torr

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