Quantum-beat spectroscopy of the A2∑+ state of the OH free radical

Frederick Raab; Tom Bergeman; David Lieberman; Harold Metcalf

doi:10.1364/OL.5.000427

Quantum-beat spectroscopy of the A²∑⁺ state of the OH free radical

Frederick Raab
, Tom Bergeman
, David Lieberman
, Harold Metcalf

Physics and Astronomy

Stony Brook University

Stony Brook University

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

18 Scopus citations

Abstract

We have demonstrated the first reported use of quantum-beat spectroscopy for the precision measurement of energy- level splittings. We have measured the magnetic-field-level crossings of different hfs states of the OH free radical as well as the g factors, including the rotational and anisotropic contributions, of several states. We have constructed a Hamiltonian whose eigenvalues are in excellent agreement with our measurements. The hfs constants are b = 719.0 (1.2) MHz and c = 160.5 (0.9) MHz.

Original language	English
Pages (from-to)	427-429
Number of pages	3
Journal	Optics Letters
Volume	5
Issue number	10
DOIs	https://doi.org/10.1364/OL.5.000427
State	Published - 1980

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10.1364/OL.5.000427

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abstract = "We have demonstrated the first reported use of quantum-beat spectroscopy for the precision measurement of energy- level splittings. We have measured the magnetic-field-level crossings of different hfs states of the OH free radical as well as the g factors, including the rotational and anisotropic contributions, of several states. We have constructed a Hamiltonian whose eigenvalues are in excellent agreement with our measurements. The hfs constants are b = 719.0 (1.2) MHz and c = 160.5 (0.9) MHz.",

author = "Frederick Raab and Tom Bergeman and David Lieberman and Harold Metcalf",

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AU - Raab, Frederick

AU - Bergeman, Tom

AU - Lieberman, David

AU - Metcalf, Harold

PY - 1980

Y1 - 1980

N2 - We have demonstrated the first reported use of quantum-beat spectroscopy for the precision measurement of energy- level splittings. We have measured the magnetic-field-level crossings of different hfs states of the OH free radical as well as the g factors, including the rotational and anisotropic contributions, of several states. We have constructed a Hamiltonian whose eigenvalues are in excellent agreement with our measurements. The hfs constants are b = 719.0 (1.2) MHz and c = 160.5 (0.9) MHz.

AB - We have demonstrated the first reported use of quantum-beat spectroscopy for the precision measurement of energy- level splittings. We have measured the magnetic-field-level crossings of different hfs states of the OH free radical as well as the g factors, including the rotational and anisotropic contributions, of several states. We have constructed a Hamiltonian whose eigenvalues are in excellent agreement with our measurements. The hfs constants are b = 719.0 (1.2) MHz and c = 160.5 (0.9) MHz.

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U2 - 10.1364/OL.5.000427

DO - 10.1364/OL.5.000427

M3 - Article

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VL - 5

SP - 427

EP - 429

JO - Optics Letters

JF - Optics Letters

IS - 10

ER -

Quantum-beat spectroscopy of the A²∑⁺ state of the OH free radical

Abstract

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