Frequency stability at the kilohertz level of a rubidium-locked diode laser at 192.114 THz

被引:30
作者
Bruner, A [1 ]
Mahal, V
Kiryuschev, I
Arie, A
Arbore, MA
Fejer, MM
机构
[1] Tel Aviv Univ, Fac Engn, Dept Elect Engn Phys Elect, IL-69978 Tel Aviv, Israel
[2] Stanford Univ, Edward L Ginzton Lab, Stanford, CA 94305 USA
关键词
D O I
10.1364/AO.37.006410
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The frequency stability of a 1560-nm diode laser, whose second harmonic was locked to Rb-87 sub-Doppler lines, was characterized by measuring the beat frequency relative to a 780-nm reference laser that was locked to sub-Doppler lines of another rubidium cell. The square root of the Allan variance reached a minimum value of 7.5 x 10(-12) in 1 a, which corresponded to frequency variations of 1.44 kHz for the 1560-nm laser. The frequency reproducibility of the system was approximate to 1 x 10(-9). These values are better than those that can be achieved by locking to Doppler-broadened transitions at the 1550-nm wavelength band. (C) 1998 Optical Society of America.
引用
收藏
页码:6410 / 6414
页数:5
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