Phase-locked, low-noise, frequency agile titanium:: sapphire lasers for simultaneous atom interferometers

被引：35
作者：
Müller, H [1 ]
Chiow, SW [1 ]
Long, Q [1 ]
Chu, S [1 ]
机构：
[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
来源：
OPTICS LETTERS | 2006年 / 31卷 / 02期
关键词：
D O I：
10.1364/OL.31.000202
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a laser system consisting of a > 1.6 W titanium: sapphire. laser that is phase locked to another free-running titanium: sapphire laser at a wavelength of 852 nm with a phase noise of -138 dBc/Hz at 1 MHz from the carrier, using an intracavity electro-optic phase modulator. The residual phase variance is 2.5 X 10(-8) rad(2) integrated from 1 Hz to 10 kHz. This system can phase-continuously change the offset frequency within 200 ns with frequency steps up to 4 MHz. Simultaneous atom interferometers can make full use of this ultralow phase noise in differential measurements, where influences from the vibration of optics are greatly suppressed in common mode. (c) 2006 Optical Society of America.
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收藏
页码：202 / 204
页数：3
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