Absolute frequency measurement of the HeNe/I2 standard at 633 nm

被引:23
|
作者
Bernard, JE [1 ]
Madej, AA [1 ]
Siemsen, KJ [1 ]
Marmet, L [1 ]
机构
[1] Natl Res Council Canada, Inst Natl Measurement Stand, Ottawa, ON K1A 0R6, Canada
关键词
optical frequency standard; single ion; frequency chain;
D O I
10.1016/S0030-4018(00)01085-3
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The absolute frequency of a HeNe laser locked to a hyperfine component in I-127(2) is measured using a frequency standard based on a single, trapped and laser-cooled Sr-88(+) ion. A CO2 laser, whose frequency is measured with a Cs-based frequency chain, is used to span the frequency interval between the ion standard at 445 THz and the HeNe/I-2 laser at 474 THz. The frequency of the f component of the 11-5 R(127) transition of our HeNe/I-2 standard laser is found to be 473 612 353 600 180 +/- 720 Hz at the exact operating conditions specified for the realization of the recommended value of this radiation. Crown Copyright (C) 2001 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:211 / 218
页数:8
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