A DYE-LASER SPECTROMETER FOR HIGH-RESOLUTION SPECTROSCOPY

被引：14
|
作者：
DIRSCHERL, J
NEIZERT, B
WEGENER, T
WALTHER, H
机构：
[1] Max-Planck-Institut für Quantenoptik
来源：
OPTICS COMMUNICATIONS | 1992年 / 91卷 / 1-2期
关键词：
D O I：
10.1016/0030-4018(92)90114-7
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A high resolution dye laser spectrometer is described. The laser frequency is locked to a resonance frequency of a high finesse Fabry-Perot cavity by a sideband modulation technique. The residual frequency fluctuations of the stabilized laser were measured with respect to an independent frequency discriminator. From this measurement a value of the Allan variance of 10(-14) at sampling times ranging between 10(-5) and 1 s was derived, indicating a laser linewidth of 10 Hz. By Doppler-free two-photon excitation of rubidium Rydberg states we observed optical Ramsey fringes with a linewidth (fwhm) of 7.5 kHz limited by the time-of-flight of the atoms between the separated interaction zones.
引用
收藏
页码：131 / 139
页数：9
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