Ultra-Narrow Laser for Optical Frequency Reference

被引：17
作者：
Lisak, D. [1 ]
Cygan, A. [1 ]
Bielska, K. [1 ]
Piwinski, M. [1 ]
Ozimek, F. [2 ]
Ido, T. [3 ]
Trawinski, R. S. [1 ]
Ciurylo, R. [1 ]
机构：
[1] Uniwersytet Mikolaja Kopernika, Inst Fizyki, PL-87100 Torun, Poland
[2] Uniwersytet Warszawski, Wydzial Fizyki, Inst Fizyki Doswiadczalnej, PL-00681 Warsaw, Poland
[3] Natl Inst Informat & Commun Technol, Koganei, Tokyo 1848795, Japan
来源：
ACTA PHYSICA POLONICA A | 2012年 / 121卷 / 03期
关键词：
DIODE-LASER; STABILIZATION; LINEWIDTH; COMPACT; CLOCKS; CAVITY; PHASE;
D O I：
10.12693/APhysPolA.121.614
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present ultra-narrow line width, tunable diode laser system which will be used as a local oscillator in an optical atomic clock and for precision spectroscopy of Sr near 689 um. Design of the high finesse optical cavity used as short-term frequency reference is optimized with respect to insensitivity to vibrations. We achieved laser line width of about 8 Hz, measured by comparison of two identical systems. The relative phase lock of two lasers is better than 150 mHz. Laser tunability and usefulness for precison spectroscopy were demonstrated through line shape measurement of a 20 kHz wide resonance of the optical cavity.
引用
收藏
页码：614 / 621
页数：8
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