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Gould, G.

doi:10.1103/physrev.101.1828.2

Cited by 39 publications

(10 citation statements)

References 8 publications

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“…Data analysis for 12 upward and downward laser frequency scans gives the frequency intervals of 524.6(1.1) MHz and 531.64(50) MHz for A2-A3 and B2-B3 components, respectively. Our results agree very well with the best previous measurements [12]. With the measured absolute frequencies of A2 and B2 components, the absolute frequencies of A3 and B3 component are then derived from the A2-A3 and B2-B3 frequency intervals.…”

Section: Resultssupporting

confidence: 86%

“…With the measured absolute frequencies of A2 and B2 components, the absolute frequencies of A3 and B3 component are then derived from the A2-A3 and B2-B3 frequency intervals. Combining with the precise values of HFSs of 6P 3/2 [12] and 7S 1/2 [13], we are able to derive the center of gravity (c.g.) of the 6P 3/2 → 7S 1/2 transition frequency with an accuracy of 17 MHz.…”

Section: Resultsmentioning

confidence: 99%

“…1 with the most precise values of HFS and isotope shifts. Early literatures have reported precise HFS measurements with uncertainties <1 kHz for both 6P 1/2 and 6P 3/2 states using microwave magnetic resonance techniques in the 1950s [11,12]. Recently precise measurements of the absolute transition frequency and the HFS of the 6P 1/2 → 7S 1/2 transition have been reported [13].…”

Section: Introductionmentioning

confidence: 96%

“…We have achieved the frequency determination of the center gravity of the 6P 3/2 → 7S 1/2 transition with accuracy better than 22 MHz for both isotopes. [11] and [12], respectively. The hyperfine splittings of 7S 1/2 are taken from [13].…”

Section: Introductionmentioning

confidence: 98%

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Frequency measurement of the 6P3/2→7S1/2transition of thallium

et al. 2013

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The saturated absorption spectrum of the 6P 3/2 → 7S 1/2 transition of 203 Tl and 205 Tl in a hollow cathode lamp has been observed with a frequency-doubled 1070 nm Nd : GdVO 4 laser. The third-derivative spectrum of the hyperfine components are obtained using the wavelength modulation spectroscopy and used to stabilize the laser frequency. The analysis of the error signal shows that the frequency stability reaches 30 kHz at 1 s averaging time. Such a frequency-stabilized light source at 535 nm can be used for laser cooling of thallium and for investigating the parity non-conservation effect in thallium. The absolute frequencies of hyperfine components are measured with an accuracy of 30 MHz using a precision wavelength meter. Including the pressure shift correction, the center of gravity of the transition frequency is determined to an accuracy of 22 MHz for both isotopes. Meanwhile, the isotope shift derived is in good agreement with earlier measurement.

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Section: Resultssupporting

confidence: 86%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 98%

See 2 more Smart Citations

Frequency measurement of the 6P3/2→7S1/2transition of thallium

et al. 2013

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“…The isotopic hyperfine anomaly was deduced to be = A 1 g 2 A 2 g 1 − 1 = −14 × 10 −4 , where g 1 and g 2 are the gyromagnetic ratios of the two isotopes [45]. This value, obtained via our all-optical experiment, could be compared with the the same hyperfine anomaly measured by the magnetic resonance method, which is −16.26(2) × 10 −4 [39]. The accuracy in the 6P 3/2 hyperfine anomaly was also constrained by the weak "F" line in 203 Tl.…”

Section: Resultsmentioning

confidence: 62%

Prospects of laser cooling in atomic thallium

et al. 2011

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One of the most precisely determined upper limits for the electron electric dipole moment (EDM) is set by the thallium (Tl) atomic beam experiment. One way to enhance the sensitivity of the atomic beam setup is to laser cool the Tl atoms to reduce the EDM-like phase caused by the E×v effect. In this report, a cooling scheme based on the 6P 3/2 (F = 2) ↔ 6D 5/2 (F = 3) transition in Tl is proposed. The absolute frequency measurement of this nearly closed-cycle transition was performed in an atomic beam apparatus. Two Ti:sapphire lasers were frequency-doubled using enhancement cavities in X-type configurations to provide the needed 377-and 352-nm light sources for the optical pumping and cooling transitions, respectively. The absolute frequency of this cooling transition is determined to be 851 634 646(56) MHz.

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Neuere Messungen mit Hilfe der Molekularstrahltechnik

Schlier

1957

Fortschr. Phys.

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hfs Separations and hfs Anomaly in the6P322Metastabl

Cited by 39 publications

References 8 publications

Frequency measurement of the 6P3/2→7S1/2transition of thallium

Frequency measurement of the 6P3/2→7S1/2transition of thallium

Prospects of laser cooling in atomic thallium

Neuere Messungen mit Hilfe der Molekularstrahltechnik

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