Absolute heterodyne frequency measurement of the Sr-88(+) 455-THz S-D single ion transition

被引:14
作者
Madej, AA
Siemsen, KJ
机构
[1] Frequency and Time Group, Inst. for Natl. Msrmt. Standards, National Research Council of Canada, Ottawa
关键词
D O I
10.1364/OL.21.000824
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A system is described for the absolute frequency measurement of a laser source at 445 THz probing a narrow resonance of a trapped single ion of strontium. The 474-THz frequency from a laser referenced to an iodine-stabilized helium-neon laser and a known 29-THz frequency from a saturation-stabilized carbon dioxide laser are mixed in an AgGaS2 nonlinear crystal to synthesize the 445-THz radiation. A preliminary measurement of the Sr-88(+) 5s S-2(1/2)-4d D-2(5/2) center frequency yielded a frequency of 444 779 044.14 +/- 0.39 MHz (1 sigma). (C) 1996 Optical Society of America
引用
收藏
页码:824 / 826
页数:3
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