Effect of temperature on the absorption of rubidium vapor cell D2 line studied by two-photon absorption spectroscopy
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Author list: Thanaboonrungroch N., Buranasiri P., Limsuwan P., Yindeesook W.
Publisher: Society of Photo-optical Instrumentation Engineers
Publication year: 2018
Volume number: 10684
ISBN: 9781510618947
ISSN: 0277-786X
eISSN: 1996-756X
Languages: English-Great Britain (EN-GB)
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Abstract
In this research, the effect of temperature on the absorption of rubidium vapor cell D2 line was studied by Two-photon absorption spectroscopy. The diameter and length of cylindrical rubidium vapor cell used in this research are 25.65 mm and 82.12 mm, respectively. The temperature of rubidium cell was varied from room temperature to approximately 80 ฐC using a peltier-thermoelctric module. The laser diode at 778 nm was used as a light source for two-photon absorption spectroscopy. The absorption spectra of rubidium D2 hyperfine transitions were recorded in the range of 200-1100 nm.The results show that the absorption peak at high temperature is higher than that of lower temperature. ฉ 2018 SPIE.
Keywords
Rubidium spectra absorption line, Rubidium vapor cell, Two-photon absorption technique
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