Resonance ionization spectroscopy and one-atom detection

Hurst, G. S.; Payne, M. G.; Kramer, S. D.; Young, J. P.

doi:10.1103/revmodphys.51.767

Cited by 533 publications

(169 citation statements)

References 139 publications

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“…One method that relies on such a technique allowed the study of the nuclear quadrupole resonances of Pr 3+ in LaF 3 . 61 In this case, the beam was reflected from an optically dense material.…”

Section: Figure 16mentioning

confidence: 99%

Optically Enhanced Magnetic Resonance

Suter

2012

Encyclopedia of Magnetic Resonance

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Section: Figure 16mentioning

confidence: 99%

Optically Enhanced Magnetic Resonance

Suter

2012

Encyclopedia of Magnetic Resonance

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“…(24) and (25a) denotes the photon flux (photons/cm 2 /s) and is related to the laser intensity I {W/cm 2 ) …”

Section: Rempi Photoelectron Angular Distributionsmentioning

confidence: 99%

“…For the eigenfunctions of H 0 we use the Born-Oppenheimer approximation and write (2) Here 1/;~> is the electronic wave function that depends on the internuclear separation R and x. (R) is the wave function for the vibrational state v. 1YiM .…”

Section: A Wave Functions and Dipole Matrix Elementsmentioning

confidence: 99%

Theory of resonantly enhanced multiphoton processes in molecules

Dixit

McKoy

1985

The Journal of Chemical Physics

135

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In this paper we formulate a theory for the analysis of resonant enhanced multi photon ionization processes in molecules. Our approach consists of viewing the (n + m) photon ionization process from an isotropic initial state as m -photon ionization out of an oriented, excited state. The orientation in this resonant state, which is reached by n -photon excitation from the initial state, is nonisotropic, and is characteristic of this absorption process. The ionization simply probes this anisotropic population. The calculation of the REMPI process thus consists of determining the anisotropy created in the resonant state and then coupling this anisotropic population to ionization out of it. While the former is accomplished by the solution of appropriate density matrix equations, the latter is done by coupling these density matrix elements to angle-resolved ionization rates out of this state. An attractive feature of this approach is that the influence of saturation effects, and other interactions, such as collisions, on the photoelectron properties is easily understood and incorporated. General expressions are derived for photoelectron angular distributions. Based on these, several properties of the angular distributions that follow purely on symmetry considerations are discussed. One of the new features that emerge out of this work is the saturation induced anisotropy in REMPI. In this effect higher order contributions to the angular distributions appear since saturation influences different ionization channels differently thereby creating an additional anisotropy in the excited state.

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“…r detector. Before ORNL's one-atom detection, the only conceivable experiments required counting the product atom (e.g., 37 Ar) by its radiation by-products as It decayed to a daughter atom. We showed above that low-level counters (LLC) could be improved by using RIS to reduce backgrounds.…”

Section: Solar Neutrino Detection Applicationsmentioning

confidence: 99%

“…The principal doses to the exposed individuals occurred via submersion in air 36 and inhalation. 37 Population doses were calculated for each sector and then summed to give a total dose to persons living within a 50-mile radius of TKI. The results of our calculations are shown In Table 4-3.…”

Section: Three Mile Island Population Dose Estimatesmentioning

confidence: 99%

Health and Safety Research Division progress report, May 1, 1978-September 30, 1979

Kaye¹

1980

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Resonance ionization spectroscopy and one-atom detection

Cited by 533 publications

References 139 publications

Optically Enhanced Magnetic Resonance

Optically Enhanced Magnetic Resonance

Theory of resonantly enhanced multiphoton processes in molecules

Health and Safety Research Division progress report, May 1, 1978-September 30, 1979

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