Kerr dispersion of atomic sodium and lithium

M. P. Bogaard; A. D. Buckingham; B. J. Orr

doi:10.1080/00268976700101461

Kerr dispersion of atomic sodium and lithium

M. P. Bogaard, A. D. Buckingham, B. J. Orr

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

A detailed theory of the frequency dependence of the electro-optical Kerr effect of an atom in the region of absorption lines is presented and applied to the particular case of ²P←²S doublets of sodium and lithium vapours. Doppler broadening is taken into account. With electric dipole matrix elements derived from the Coulomb approximation for both discrete and continuum states, the molar Kerr constant, _mK(3² P←3²S), of atomic sodium vapour in the D-line absorption region is calculated to ±30 per cent; the calculations indicate that _m K in the vicinity of the D₂ line (3²P_3/2←3²S_1/2) should be very much greater than near the D₁ line (3²P_1/2←3²S_1/2) in qualitative agreement with the experiments of Kopfermann and Ladenburg Qualitative consideration is also given to dispersion of magnetic birefringence; in contrast with electric birefringence strong dispersion is expected near both lines of alkali metal ²P←²S doublets.

Original language	English
Pages (from-to)	533-545
Number of pages	13
Journal	Molecular Physics
Volume	13
Issue number	6
DOIs	https://doi.org/10.1080/00268976700101461
Publication status	Published - 1 Jan 1967
Externally published	Yes

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title = "Kerr dispersion of atomic sodium and lithium",

abstract = "A detailed theory of the frequency dependence of the electro-optical Kerr effect of an atom in the region of absorption lines is presented and applied to the particular case of 2P←2S doublets of sodium and lithium vapours. Doppler broadening is taken into account. With electric dipole matrix elements derived from the Coulomb approximation for both discrete and continuum states, the molar Kerr constant, mK(32 P←32S), of atomic sodium vapour in the D-line absorption region is calculated to ±30 per cent; the calculations indicate that m K in the vicinity of the D2 line (32P3/2←32S1/2) should be very much greater than near the D1 line (32P1/2←32S1/2) in qualitative agreement with the experiments of Kopfermann and Ladenburg Qualitative consideration is also given to dispersion of magnetic birefringence; in contrast with electric birefringence strong dispersion is expected near both lines of alkali metal 2P←2S doublets.",

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T1 - Kerr dispersion of atomic sodium and lithium

AU - Bogaard, M. P.

AU - Buckingham, A. D.

AU - Orr, B. J.

PY - 1967/1/1

Y1 - 1967/1/1

N2 - A detailed theory of the frequency dependence of the electro-optical Kerr effect of an atom in the region of absorption lines is presented and applied to the particular case of 2P←2S doublets of sodium and lithium vapours. Doppler broadening is taken into account. With electric dipole matrix elements derived from the Coulomb approximation for both discrete and continuum states, the molar Kerr constant, mK(32 P←32S), of atomic sodium vapour in the D-line absorption region is calculated to ±30 per cent; the calculations indicate that m K in the vicinity of the D2 line (32P3/2←32S1/2) should be very much greater than near the D1 line (32P1/2←32S1/2) in qualitative agreement with the experiments of Kopfermann and Ladenburg Qualitative consideration is also given to dispersion of magnetic birefringence; in contrast with electric birefringence strong dispersion is expected near both lines of alkali metal 2P←2S doublets.

AB - A detailed theory of the frequency dependence of the electro-optical Kerr effect of an atom in the region of absorption lines is presented and applied to the particular case of 2P←2S doublets of sodium and lithium vapours. Doppler broadening is taken into account. With electric dipole matrix elements derived from the Coulomb approximation for both discrete and continuum states, the molar Kerr constant, mK(32 P←32S), of atomic sodium vapour in the D-line absorption region is calculated to ±30 per cent; the calculations indicate that m K in the vicinity of the D2 line (32P3/2←32S1/2) should be very much greater than near the D1 line (32P1/2←32S1/2) in qualitative agreement with the experiments of Kopfermann and Ladenburg Qualitative consideration is also given to dispersion of magnetic birefringence; in contrast with electric birefringence strong dispersion is expected near both lines of alkali metal 2P←2S doublets.

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VL - 13

SP - 533

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JO - Molecular Physics

JF - Molecular Physics

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ER -

Kerr dispersion of atomic sodium and lithium

Abstract

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