Abstract

An absorption technique is described which utilizes a stabilized frequency-doubled tunable dye laser and a long-path White cell with high mirror reflectivities both in the red and UV. In laboratory conditions we have been able to obtain routinely a detection sensitivity of 3 parts in 106 over absorption paths <1 m in length and a detection sensitivity of ~6 parts in 105 over an absorption path of the order of 1 km. The latter number corresponds to 3 × 106 OH molecules/cm3, and therefore the technique should be particularly useful for calibration of our fluorescence instrument for OH measurements. However, the presence of atmospheric fluctuations coupled with intensity variation accompanying frequency scanning appears to degrade the detection sensitivity in outdoor ambient conditions, thus making it unlikely that this technique can be employed for direct OH monitoring.

© 1982 Optical Society of America

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  1. J. A. Logan, M. J. Prather, S. C. Wofsy, M. B. McElroy, J. Geophys. Res. 86, 7210 (1981).
    [CrossRef]
  2. W. L. Chameides, Geophys. Res. Lett. 5, 17 (1978).
    [CrossRef]
  3. B. Weinstock, H. Niki, Science 176, 290 (1972).
    [CrossRef] [PubMed]
  4. S. C. Liu, Geophys. Res. Lett. 4, 325 (1977).
    [CrossRef]
  5. S. Hameed, J. P. Pinto, R. W. Stewart, J. Geophys. Res. 84, 763 (1979).
    [CrossRef]
  6. M. J. Campbell, J. C. Sheppard, B. F. Au, Geophys. Res. Lett. 6, 175 (1979).
    [CrossRef]
  7. D. Perner, D. H. Ehhalt, H. W. Patz, U. Platt, E. P. Roth, A. Volz, Geophys. Res. Lett. 3, 466 (1976).
    [CrossRef]
  8. C. C. Wang, L. I. Davis, P. M. Selzer, R. Munoz, J. Geophys. Res. 86, 1181 (1981).
    [CrossRef]
  9. D. K. Killinger, C. C. Wang, Chem. Phys. Lett. 52, 374 (1977).
    [CrossRef]
  10. D. Horn, G. C. Pimentel, Appl. Opt. 10, 1892 (1971).
    [CrossRef] [PubMed]
  11. J. U. White, J. Opt. Soc. Am. 66, 411 (1976).
    [CrossRef]
  12. D. J. Lovell, Integrating Sphere Performance (Labsphere, P.O. Box 70, North Road, North Sutton, N.H. 03260, 1981). This technical report is available from Labsphere.
  13. C. C. Wang, C. M. Huang, Phys. Rev. A 21, 1235 (1980).
    [CrossRef]
  14. G. H. Dieke, H. M. Crosswhite, J. Quant. Spectrosc. Radiat. Transfer 2, 97 (1962).
    [CrossRef]
  15. E. E. Whiting, J. Quant. Spectrosc. Radiat. Transfer 8, 1379 (1968).
    [CrossRef]
  16. C. C. Wang, D. K. Killinger, C. M. Huang, Phys. Rev. A 22, 188 (1980).
    [CrossRef]
  17. R. Engleman, J. Quant. Spectrosc. Radiat. Transfer 9, 391 (1969).
    [CrossRef]
  18. W. L. Wolfe, Ed., Handbook of Military Infrared Technology (Office of Naval Research, Washington, D.C., 1965), p. 207.
  19. E. I. Moses, C. L. Tang, Opt. Lett. 1, 115 (1977).
    [CrossRef] [PubMed]

1981 (2)

J. A. Logan, M. J. Prather, S. C. Wofsy, M. B. McElroy, J. Geophys. Res. 86, 7210 (1981).
[CrossRef]

C. C. Wang, L. I. Davis, P. M. Selzer, R. Munoz, J. Geophys. Res. 86, 1181 (1981).
[CrossRef]

1980 (2)

C. C. Wang, C. M. Huang, Phys. Rev. A 21, 1235 (1980).
[CrossRef]

C. C. Wang, D. K. Killinger, C. M. Huang, Phys. Rev. A 22, 188 (1980).
[CrossRef]

1979 (2)

S. Hameed, J. P. Pinto, R. W. Stewart, J. Geophys. Res. 84, 763 (1979).
[CrossRef]

M. J. Campbell, J. C. Sheppard, B. F. Au, Geophys. Res. Lett. 6, 175 (1979).
[CrossRef]

1978 (1)

W. L. Chameides, Geophys. Res. Lett. 5, 17 (1978).
[CrossRef]

1977 (3)

D. K. Killinger, C. C. Wang, Chem. Phys. Lett. 52, 374 (1977).
[CrossRef]

S. C. Liu, Geophys. Res. Lett. 4, 325 (1977).
[CrossRef]

E. I. Moses, C. L. Tang, Opt. Lett. 1, 115 (1977).
[CrossRef] [PubMed]

1976 (2)

J. U. White, J. Opt. Soc. Am. 66, 411 (1976).
[CrossRef]

D. Perner, D. H. Ehhalt, H. W. Patz, U. Platt, E. P. Roth, A. Volz, Geophys. Res. Lett. 3, 466 (1976).
[CrossRef]

1972 (1)

B. Weinstock, H. Niki, Science 176, 290 (1972).
[CrossRef] [PubMed]

1971 (1)

1969 (1)

R. Engleman, J. Quant. Spectrosc. Radiat. Transfer 9, 391 (1969).
[CrossRef]

1968 (1)

E. E. Whiting, J. Quant. Spectrosc. Radiat. Transfer 8, 1379 (1968).
[CrossRef]

1962 (1)

G. H. Dieke, H. M. Crosswhite, J. Quant. Spectrosc. Radiat. Transfer 2, 97 (1962).
[CrossRef]

Au, B. F.

M. J. Campbell, J. C. Sheppard, B. F. Au, Geophys. Res. Lett. 6, 175 (1979).
[CrossRef]

Campbell, M. J.

M. J. Campbell, J. C. Sheppard, B. F. Au, Geophys. Res. Lett. 6, 175 (1979).
[CrossRef]

Chameides, W. L.

W. L. Chameides, Geophys. Res. Lett. 5, 17 (1978).
[CrossRef]

Crosswhite, H. M.

G. H. Dieke, H. M. Crosswhite, J. Quant. Spectrosc. Radiat. Transfer 2, 97 (1962).
[CrossRef]

Davis, L. I.

C. C. Wang, L. I. Davis, P. M. Selzer, R. Munoz, J. Geophys. Res. 86, 1181 (1981).
[CrossRef]

Dieke, G. H.

G. H. Dieke, H. M. Crosswhite, J. Quant. Spectrosc. Radiat. Transfer 2, 97 (1962).
[CrossRef]

Ehhalt, D. H.

D. Perner, D. H. Ehhalt, H. W. Patz, U. Platt, E. P. Roth, A. Volz, Geophys. Res. Lett. 3, 466 (1976).
[CrossRef]

Engleman, R.

R. Engleman, J. Quant. Spectrosc. Radiat. Transfer 9, 391 (1969).
[CrossRef]

Hameed, S.

S. Hameed, J. P. Pinto, R. W. Stewart, J. Geophys. Res. 84, 763 (1979).
[CrossRef]

Horn, D.

Huang, C. M.

C. C. Wang, D. K. Killinger, C. M. Huang, Phys. Rev. A 22, 188 (1980).
[CrossRef]

C. C. Wang, C. M. Huang, Phys. Rev. A 21, 1235 (1980).
[CrossRef]

Killinger, D. K.

C. C. Wang, D. K. Killinger, C. M. Huang, Phys. Rev. A 22, 188 (1980).
[CrossRef]

D. K. Killinger, C. C. Wang, Chem. Phys. Lett. 52, 374 (1977).
[CrossRef]

Liu, S. C.

S. C. Liu, Geophys. Res. Lett. 4, 325 (1977).
[CrossRef]

Logan, J. A.

J. A. Logan, M. J. Prather, S. C. Wofsy, M. B. McElroy, J. Geophys. Res. 86, 7210 (1981).
[CrossRef]

Lovell, D. J.

D. J. Lovell, Integrating Sphere Performance (Labsphere, P.O. Box 70, North Road, North Sutton, N.H. 03260, 1981). This technical report is available from Labsphere.

McElroy, M. B.

J. A. Logan, M. J. Prather, S. C. Wofsy, M. B. McElroy, J. Geophys. Res. 86, 7210 (1981).
[CrossRef]

Moses, E. I.

Munoz, R.

C. C. Wang, L. I. Davis, P. M. Selzer, R. Munoz, J. Geophys. Res. 86, 1181 (1981).
[CrossRef]

Niki, H.

B. Weinstock, H. Niki, Science 176, 290 (1972).
[CrossRef] [PubMed]

Patz, H. W.

D. Perner, D. H. Ehhalt, H. W. Patz, U. Platt, E. P. Roth, A. Volz, Geophys. Res. Lett. 3, 466 (1976).
[CrossRef]

Perner, D.

D. Perner, D. H. Ehhalt, H. W. Patz, U. Platt, E. P. Roth, A. Volz, Geophys. Res. Lett. 3, 466 (1976).
[CrossRef]

Pimentel, G. C.

Pinto, J. P.

S. Hameed, J. P. Pinto, R. W. Stewart, J. Geophys. Res. 84, 763 (1979).
[CrossRef]

Platt, U.

D. Perner, D. H. Ehhalt, H. W. Patz, U. Platt, E. P. Roth, A. Volz, Geophys. Res. Lett. 3, 466 (1976).
[CrossRef]

Prather, M. J.

J. A. Logan, M. J. Prather, S. C. Wofsy, M. B. McElroy, J. Geophys. Res. 86, 7210 (1981).
[CrossRef]

Roth, E. P.

D. Perner, D. H. Ehhalt, H. W. Patz, U. Platt, E. P. Roth, A. Volz, Geophys. Res. Lett. 3, 466 (1976).
[CrossRef]

Selzer, P. M.

C. C. Wang, L. I. Davis, P. M. Selzer, R. Munoz, J. Geophys. Res. 86, 1181 (1981).
[CrossRef]

Sheppard, J. C.

M. J. Campbell, J. C. Sheppard, B. F. Au, Geophys. Res. Lett. 6, 175 (1979).
[CrossRef]

Stewart, R. W.

S. Hameed, J. P. Pinto, R. W. Stewart, J. Geophys. Res. 84, 763 (1979).
[CrossRef]

Tang, C. L.

Volz, A.

D. Perner, D. H. Ehhalt, H. W. Patz, U. Platt, E. P. Roth, A. Volz, Geophys. Res. Lett. 3, 466 (1976).
[CrossRef]

Wang, C. C.

C. C. Wang, L. I. Davis, P. M. Selzer, R. Munoz, J. Geophys. Res. 86, 1181 (1981).
[CrossRef]

C. C. Wang, C. M. Huang, Phys. Rev. A 21, 1235 (1980).
[CrossRef]

C. C. Wang, D. K. Killinger, C. M. Huang, Phys. Rev. A 22, 188 (1980).
[CrossRef]

D. K. Killinger, C. C. Wang, Chem. Phys. Lett. 52, 374 (1977).
[CrossRef]

Weinstock, B.

B. Weinstock, H. Niki, Science 176, 290 (1972).
[CrossRef] [PubMed]

White, J. U.

Whiting, E. E.

E. E. Whiting, J. Quant. Spectrosc. Radiat. Transfer 8, 1379 (1968).
[CrossRef]

Wofsy, S. C.

J. A. Logan, M. J. Prather, S. C. Wofsy, M. B. McElroy, J. Geophys. Res. 86, 7210 (1981).
[CrossRef]

Appl. Opt. (1)

Chem. Phys. Lett. (1)

D. K. Killinger, C. C. Wang, Chem. Phys. Lett. 52, 374 (1977).
[CrossRef]

Geophys. Res. Lett. (4)

M. J. Campbell, J. C. Sheppard, B. F. Au, Geophys. Res. Lett. 6, 175 (1979).
[CrossRef]

D. Perner, D. H. Ehhalt, H. W. Patz, U. Platt, E. P. Roth, A. Volz, Geophys. Res. Lett. 3, 466 (1976).
[CrossRef]

W. L. Chameides, Geophys. Res. Lett. 5, 17 (1978).
[CrossRef]

S. C. Liu, Geophys. Res. Lett. 4, 325 (1977).
[CrossRef]

J. Geophys. Res. (3)

S. Hameed, J. P. Pinto, R. W. Stewart, J. Geophys. Res. 84, 763 (1979).
[CrossRef]

C. C. Wang, L. I. Davis, P. M. Selzer, R. Munoz, J. Geophys. Res. 86, 1181 (1981).
[CrossRef]

J. A. Logan, M. J. Prather, S. C. Wofsy, M. B. McElroy, J. Geophys. Res. 86, 7210 (1981).
[CrossRef]

J. Opt. Soc. Am. (1)

J. Quant. Spectrosc. Radiat. Transfer (3)

R. Engleman, J. Quant. Spectrosc. Radiat. Transfer 9, 391 (1969).
[CrossRef]

G. H. Dieke, H. M. Crosswhite, J. Quant. Spectrosc. Radiat. Transfer 2, 97 (1962).
[CrossRef]

E. E. Whiting, J. Quant. Spectrosc. Radiat. Transfer 8, 1379 (1968).
[CrossRef]

Opt. Lett. (1)

Phys. Rev. A (2)

C. C. Wang, D. K. Killinger, C. M. Huang, Phys. Rev. A 22, 188 (1980).
[CrossRef]

C. C. Wang, C. M. Huang, Phys. Rev. A 21, 1235 (1980).
[CrossRef]

Science (1)

B. Weinstock, H. Niki, Science 176, 290 (1972).
[CrossRef] [PubMed]

Other (2)

D. J. Lovell, Integrating Sphere Performance (Labsphere, P.O. Box 70, North Road, North Sutton, N.H. 03260, 1981). This technical report is available from Labsphere.

W. L. Wolfe, Ed., Handbook of Military Infrared Technology (Office of Naval Research, Washington, D.C., 1965), p. 207.

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Figures (2)

Fig. 1
Fig. 1

Schematic block diagram of the absorption experiment using a white cell: PD, vacuum photodiode; IS, integrating sphere.

Fig. 2
Fig. 2

Temporal variations of the absorption of OH in a discharge cell. The solid line is a least-squares fit of the data to a straight line.

Equations (7)

Equations on this page are rendered with MathJax. Learn more.

I ( ν ) = I 0 exp ( - l / l 0 ) R l / d exp [ - n ( Δ n n ) σ ( ν ) l ] I 0 exp [ - n ( Δ n n ) σ ( ν ) l ] ,
I ( ν ) = I 0 - Δ I ( ν ) ,
Δ I ( ν ) = I 0 n ( Δ n n ) σ ( ν ) l .
n = Δ I ( ν ) g ( ν ) corr I 0 ( Δ n n ) l σ 0 g ( ν ) g ( ν ) corr .
SNR = Δ I N 1 2 + N 2 2 + N 3 2 + N 4 2 ,
l opt = 2 l 0 1 - ( l 0 / d ) ln R .
l opt = l 0 1 - ( l 0 / d ) ln R .

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