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Proceedings Paper

Frequency-stabilized tunable diode laser and strong transition iodine hyperfine spectra at 633 nm
Author(s): Xuzong Chen; Keming Zhang; Er Jun Zang; Yoshiaki Akimoto; Takeshi Kasahara; Katsuhira Sakamoto; Hajime Inaba
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Paper Abstract

In this paper, a preliminary result for an iodine frequency stabilized tunable diode lasers at 633 nm is reported. The frequency stability of the diode laser was 2 X 10-11, the tune ability was 10 nm and the line-width was 100 kHz. In addition, five groups of stronger hyperfine transitions of iodine molecule, which are available to be reference lines for diode laser frequency standard, beside the well-known transition R(127)11-5 at 633 nm region were observed by means of saturated absorption in the configuration of external iodine cell and their absolute frequencies were measured by a spectrum analyzer and a scanning Fabry-Perot cavity. The program for calculating the hyperfine structures and strength of transitions for rotational vibrational bands of iodine molecule was developed and the predictions for possible transitions around 633 nm including the transition strength are given.

Paper Details

Date Published: 19 August 1998
PDF: 9 pages
Proc. SPIE 3547, Semiconductor Lasers III, (19 August 1998); doi: 10.1117/12.319612
Show Author Affiliations
Xuzong Chen, Peking Univ. (China)
Keming Zhang, Peking Univ. (China)
Er Jun Zang, National Institute of Metrology (China)
Yoshiaki Akimoto, National Research Lab. of Metrology (Japan)
Takeshi Kasahara, National Research Lab. of Metrology (Japan)
Katsuhira Sakamoto, National Research Lab. of Metrology (Japan)
Hajime Inaba, National Research Lab. of Metrology (Japan)

Published in SPIE Proceedings Vol. 3547:
Semiconductor Lasers III
Qiming Wang; Lawrence J. Davis; Siamak Forouhar, Editor(s)

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