The innovative method of high accuracy interferometric calibration of the Precision Laser Inclinometer

被引:7
|
作者
Azaryan N. [1 ]
Budagov J. [1 ]
Gayde J.-C. [2 ]
Di Girolamo B. [2 ]
Glagolev V. [1 ]
Lyablin M. [1 ]
Mergelkuhl D. [2 ]
Shirkov G. [1 ]
机构
[1] Joint Institute for Nuclear Research, Dubna, Moscow oblast
[2] European Organization for Nuclear Research (CERN), Geneva
关键词
D O I
10.1134/S154747711701006X
中图分类号
学科分类号
摘要
In this report a high accuracy method for an interferometric calibration of the Precision Laser Inclinometer (PLI) is proposed. The method is based on the simultaneous measurement of: (a) the PLI base calibration slope (angle), set by a piezoelectric positioner, via laser interferometry and (b) the PLI response signal. A calibration coefficient of 322.5 ± 1.9 μrad/V has been determined experimentally in an interval [4 × 10–7, 4 × 10–6] rad in which there is a linear dependence between the PLI-signal and the calibration angle. © 2017, Pleiades Publishing, Ltd.
引用
收藏
页码:112 / 122
页数:10
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