On the Rayleigh scattering in air

Selter, K. P.; Kunze, H.‐J.

doi:10.1016/0375-9601(78)90756-9

Cited by 8 publications

(3 citation statements)

References 4 publications

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“…In their discussion of other Rayleigh cross section measurements using lasers, Skowronek and Alayli point out that there are four experiments whose results could possibly be interpreted as being consistent with theirs. They also mention two experiments (Kilkenny andWhite 1975, Selter andKunze 1978) done specifically to investigate the pulse duration effect. No pulse duration effects were found in these two experiments in the range predicted by equation (1) and their measured Rayleigh cross sections agreed with classical Rayleigh theory to within the measurement accuracy of at least 20% in each case.…”

Section: Introductionmentioning

confidence: 99%

Measurements of Rayleigh scattering cross sections

Lang¹,

Hardcastle²,

Spurrett³

1987

J. Phys. D: Appl. Phys.

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The authors report the results of a measurement of the Rayleigh scattering cross section of methane, nitrogen and carbon dioxide using a pulsed laser beam. In a similar study Skowronek and Alayli (1979) reported a variation in the cross section with the duration of the laser pulse. In this work the authors have been unable to reproduce Skowronek and Alayli's result and conclude that there is no effect due to the pulse duration. Their measurements agree with the classical cross section within the experimental error (+or-10% to 15%).

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Section: Introductionmentioning

confidence: 99%

Measurements of Rayleigh scattering cross sections

Lang¹,

Hardcastle²,

Spurrett³

1987

J. Phys. D: Appl. Phys.

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“…[7] 14.0(2) 12.3(5)' 29.5 (7) 13.2(3) 14.0 (2) 21.3(4) 29.3(4) 45.7 (16) 60.9 (20) 72.5 (20) 118 (4) 'Reference [25]. bReference [26].…”

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confidence: 99%

Theoretical lifetimes of the Al2S,2
Theodosiou
¹

1992
Phys. Rev. A
14
1
4
0
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The natural lifetimes of the aluminum 3s nl, n =3-12, 1=0-3, have been calculated using wave functions that were obtained by direct numerical integration of the Schrodinger equation with a central potential to describe the ionic core and experimental term energies as input. The strong perturbation of the 3s nd D series by the yet to be experimentally identified 3s3p D perturber has been explicitly treated semiempirically by using experimental mixing coefficients. Inclusion of at least this perturbation is essential for good agreement with experiment. The effects of blackbody radiation are also explicitly included and have a dramatic effect on the lifetimes of the np states. Core-polarization effects are also included in the transition matrix elements.PACS number(s): 32.70.Fw, 31.50.+wThe excited states of Al, and especially the members of

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“…It is known that the absolute measurement of Rayleigh scattering intensity is difficult [18], and the data for a few molecular gases are found in literature at a limited wavelength [18][19][20][21]. If the molecule is randomly oriented, the total scattering cross section a(v) is given [22,23] by…”

Section: Rayleigh Scattering Cross Sectionmentioning

confidence: 99%

The CI calculation of the frequency-dependent polarizability and some optical properties for N₂and O₂

1985

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The frequency-dependent polarizability tensor of N 2 and 0 2 was calculated as a function of internuclear distance using the recently-developed frequency-dependent moment method. The method enables us to calculate the polarizability tensor directly from the large CI hamiltonian matrix, without the explicit knowledge of the eigenvectors of the matrix. The frequency-dependent moment was divided into the 'discrete' and ' continuum' part. The ' discrete ' part of the frequency-dependent polarizability was evaluated from the eigenvalues and eigenvectors of the low-lying excited states, while the ' continuum' part was calculated by solving a simultaneous linear equation. In this way, the frequency-dependent polarizability tensor could be evaluated even near the resonances. The optical properties such as the refractive index, Raman and Rayleigh scattering cross sections were calculated from the obtained polarizability and its derivative with respect to the bond length, and the results were compared with the experimental data. The potential energy curves for the optically-allowed 1 and 2 x]E+ and 1 and 2 lFIu states of N 2 were also studied.

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On the Rayleigh scattering in air

Cited by 8 publications

References 4 publications

Measurements of Rayleigh scattering cross sections

Measurements of Rayleigh scattering cross sections

Theoretical lifetimes of the Al2S,2
Theodosiou
¹

1992
Phys. Rev. A
14
1
4
0
View full text Add to dashboard Cite

The CI calculation of the frequency-dependent polarizability and some optical properties for N₂and O₂

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On the Rayleigh scattering in air

Cited by 8 publications

References 4 publications

Measurements of Rayleigh scattering cross sections

Measurements of Rayleigh scattering cross sections

Theoretical lifetimes of the Al2S,2Theodosiou1 1992Phys. Rev. A14140View full textAdd to dashboardCite

The CI calculation of the frequency-dependent polarizability and some optical properties for N2and O2

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Theoretical lifetimes of the Al2S,2
Theodosiou
¹

1992
Phys. Rev. A
14
1
4
0
View full text Add to dashboard Cite

The CI calculation of the frequency-dependent polarizability and some optical properties for N₂and O₂