Measuring the frequency of light with mode-locked lasers

被引：365

作者：

Reichert, J ^{[1
]}

Holzwarth, R ^{[1
]}

Udem, T ^{[1
]}

Hänsch, TW ^{[1
]}

机构：

[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

来源：

OPTICS COMMUNICATIONS | 1999年 / 172卷 / 1-6期

关键词：

frequency comb; femtosecond laser; frequency chain; optical frequency measurement;

D O I：

10.1016/S0030-4018(99)00491-5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have stabilized the modes of a comb of optical frequencies emitted by a made-locked femtosecond-laser and used it as a ruler to measure differences of up to 45.2 THz between laser frequencies in a new type of frequency chain. Directly converting optical to radio frequencies, we have used it for an absolute frequency measurement of the 1S-2S transition in the hydrogen atom. Here, an intuitive model of the comb's properties is given and essential techniques for its stabilization and efficient detection of brat signals are presented. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：59 / 68

页数：10

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