Title: Absolute frequency measurements of the molecular iodine hyperfine transitions at 535 nm
Authors: Shie, Nang-Chian
Chen, Shih-En
Chang, Chun-Yu
Hsieh, Wen-Feng
Shy, Jow-Tsong
光電工程學系
Department of Photonics
Issue Date: 1-Jul-2013
Abstract: We report absolute frequency measurements of the alpha(1), alpha(10), and alpha(15) hyperfine components of molecular iodine P(28) 30-0 line at 535 nm. A frequency-doubled 1070 nm Nd:GdVO4 laser is frequency stabilized to a hyperfine component of I-2 using the third-harmonic demodulation technique. The frequency stability of 3 x 10(-12) is achieved at 10 s averaging time when its frequency is stabilized to the alpha(1) component. An optical frequency comb is used to measure its absolute frequency. The pressure shift is investigated to obtain the absolute frequency at zero pressure. The effect of pressure and power broadening of the a10 component are also investigated. This light source can be used for investigating parity nonconservation effect in atomic thallium. (C) 2013 Optical Society of America
URI: http://dx.doi.org/10.1364/JOSAB.30.002022
http://hdl.handle.net/11536/22239
ISSN: 0740-3224
DOI: 10.1364/JOSAB.30.002022
Journal: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume: 30
Issue: 7
Begin Page: 2022
End Page: 2026
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