Deep underground rotation measurements: GINGERino ring laser gyroscope in Gran Sasso

被引：50

作者：

Belfi, Jacopo ^{[1
]}

Beverini, Nicolo ^{[1
,2
]}

Bosi, Filippo ^{[1
]}

Carelli, Giorgio ^{[1
,2
]}

Cuccato, Davide ^{[3
]}

De Luca, Gaetano ^{[4
]}

Di Virgilio, Angela ^{[1
]}

Gebauer, Andre ^{[5
]}

Maccioni, Enrico ^{[1
,2
]}

Ortolan, Antonello ^{[6
]}

Porzio, Alberto ^{[7
,8
]}

Saccorotti, Gilberto ^{[9
]}

Simonelli, Andreino ^{[1
,5
,10
]}

Terreni, Giuseppe ^{[1
]}

机构：

[1] INFN, Sez Pisa, I-56127 Pisa, Italy

[2] Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy

[3] Univ Padua, Dipartimento Ingn Informaz, I-35131 Padua, Italy

[4] INGV, Ctr Nazl Terremoti, I-67100 Laquila, Italy

[5] Ludwig Maximilians Univ Munchen, Dept Earth & Environm Sci, D-80333 Munich, Germany

[6] INFN, Lab Nazl Legnaro, I-35020 Legnaro, Italy

[7] CNR, SPIN Napoli, I-80126 Naples, Italy

[8] INFN, Sez Napoli, I-80126 Naples, Italy

[9] INGV, Sez Pisa, I-56127 Pisa, Italy

[10] Univ Pisa, Dipartimento Sci Terra, I-56127 Pisa, Italy

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2017年 / 88卷 / 03期

关键词：

EARTHQUAKE; SIGNALS;

D O I：

10.1063/1.4977051

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

GINGERino is a large frame laser gyroscope investigating the ground motion in the most inner part of the underground international laboratory of the Gran Sasso, in central Italy. It consists of a square ring laser with a 3.6 m side. Several days of continuous measurements have been collected, with the apparatus running unattended. The power spectral density in the seismic bandwidth is at the level of 10(-10) (rad/s)/root Hz. A maximum resolution of 30 prad/s is obtained with an integration time of few hundred seconds. The ring laser routinely detects seismic rotations induced by both regional earthquakes and teleseisms. A broadband seismic station is installed on the same structure of the gyroscope. First analysis of the correlation between the rotational and the translational signal is presented. Published by AIP Publishing.

引用

页数：6

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