Temperature dependence of Doppler-broadening in rubidium: An undergraduate experiment

Chris Leahy; J. Todd Hastings; P. M. Wilt

doi:10.1119/1.18553

Temperature dependence of Doppler-broadening in rubidium: An undergraduate experiment

Chris Leahy, J. Todd Hastings, P. M. Wilt

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Abstract

This paper describes experiments performed by undergraduate physics majors to measure the temperature dependence of Doppler-broadening in Rb absorption lines over the interval 290-500 K. We report measurements made with a laser-diode spectrometer on the resolved hyperfine transitions of ⁸⁷Rb (5 ²S_1/2 F = 1 to 5 ²P_1/2, F = 1 and 2) near 795 nm, and on the unresolved envelope of the transitions of ⁸⁵Rb (5 ²S_1/2 F = to 5 ²P_3/2, F = 1, 2 and 3) near 780 nm. Agreement between measured and predicted linewidths is very good.

Original language	English
Pages (from-to)	367-371
Number of pages	5
Journal	American Journal of Physics
Volume	65
Issue number	5
DOIs	https://doi.org/10.1119/1.18553
State	Published - May 1997

ASJC Scopus subject areas

Physics and Astronomy (all)

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abstract = "This paper describes experiments performed by undergraduate physics majors to measure the temperature dependence of Doppler-broadening in Rb absorption lines over the interval 290-500 K. We report measurements made with a laser-diode spectrometer on the resolved hyperfine transitions of 87Rb (5 2S1/2 F = 1 to 5 2P1/2, F = 1 and 2) near 795 nm, and on the unresolved envelope of the transitions of 85Rb (5 2S1/2 F = to 5 2P3/2, F = 1, 2 and 3) near 780 nm. Agreement between measured and predicted linewidths is very good.",

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AB - This paper describes experiments performed by undergraduate physics majors to measure the temperature dependence of Doppler-broadening in Rb absorption lines over the interval 290-500 K. We report measurements made with a laser-diode spectrometer on the resolved hyperfine transitions of 87Rb (5 2S1/2 F = 1 to 5 2P1/2, F = 1 and 2) near 795 nm, and on the unresolved envelope of the transitions of 85Rb (5 2S1/2 F = to 5 2P3/2, F = 1, 2 and 3) near 780 nm. Agreement between measured and predicted linewidths is very good.

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Temperature dependence of Doppler-broadening in rubidium: An undergraduate experiment

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