High-precision gravitational acceleration measurement, with laser interferometry

被引:0
|
作者
Arnautov, GP [1 ]
Kalish, EN [1 ]
Stus, YF [1 ]
Smirnov, MG [1 ]
机构
[1] Russian Acad Sci, Siberian Branch, Inst Automat & Electrometry, Novosibirsk 630090, Russia
关键词
laser ballistic gravimeter; interferometric methods; measurement error;
D O I
10.1117/12.484548
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
At present the ballistic method of measuring the absolute value of gravitational acceleration g is considered to be the most accurate and promising.(1-4) The value of g is calculated from the results of measuring the travel and time of free-fall of a test mass. The travel is measured using a laser interferometer, with the wavelength of laser radiation stabilized to an atomic reference point in the spectrum of its radiation being the measure of travel. Time intervals are measured in signals of precision, for example, rubidium frequency standard.
引用
收藏
页码:139 / 146
页数:8
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