Installation of a high-sensitivity laser strainmeter in a tunnel in central Italy

被引：44
|
作者：
Crescentini, L
Amoruso, A
Fiocco, G
Visconti, G
机构：
[1] IST NAZL FIS NUCL, GRP COLLEGATO AQUILA, I-67010 COPPITO, LAQUILA, ITALY
[2] UNIV ROMA LA SAPIENZA, DIPARTIMENTO FIS, I-00100 ROME, ITALY
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1997年 / 68卷 / 08期
关键词：
D O I：
10.1063/1.1148268
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new laser interferometer for geophysical purposes is being operated in an underground laboratory in central Italy. A simple electro-optical technique has been used to limit the costs. The main characteristics of this instrument are: high sensitivity (Delta l/l approximate to 10(-12)), fast sampling rate (up to 6 kHz), large dynamic range (unbounded in principle), the capability of following strain rates as high as 7x10(-5) s(-1), and good reliability (two failures in nearly two years). (C) 1997 American Institute of Physics.
引用
收藏
页码：3206 / 3210
页数：5
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