FREQUENCY LOCKING A DYE-LASER TO THE CENTRAL OPTICAL RAMSEY FRINGE IN A CA ATOMIC-BEAM AND WAVELENGTH MEASUREMENT

被引：23

作者：

ITO, N

ISHIKAWA, J

MORINAGA, A

机构：

[1] National Research Laboratory of Metrology, Umezono, Tsukuba, 305

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1991年 / 8卷 / 07期

关键词：

D O I：

10.1364/JOSAB.8.001388

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The frequency of a dye laser is stabilized to the 3P1-1S0 intercombination line of Ca-40 through use of the first-derivative signal of the Ramsey fringes detected in a Ca atomic beam. The long-term stability of the frequency of the Ca-stabilized dye laser is estimated to be a few kilohertz from the servo error signal. The wavelength of the Ca-stabilized dye-laser beam is measured by comparison with that for an I2-stabilized He-Ne laser, which is one of the current wavelength standards. The measured wavelength is evaluated to be 657.4594396 nm with an uncertainty of better than 1 x 10(-9).

引用

页码：1388 / 1390

页数：3

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