A local control system for the test masses of the Virgo gravitational wave detector

被引：22

作者：

Acernese, F

Amico, P

Arnaud, N

Babusci, D

Barillé, R

Barone, F

Barsotti, L

Barsuglia, M

Beauville, F

Bizouard, MA

Boccara, C

Bondu, F

Bosi, L

Bradaschia, C

Bracci, L

Braccini, S

Brillet, A

Brisson, V

Brocco, L

Buskulic, D

Calamai, G

Calloni, E

Campagna, E

Cavalier, F

Cella, G

Chassande-Mottin, E

Cleva, F

Cokelaer, T

Conforto, G

Corda, C

Coulon, JP

Cuoco, E

Dattilo, V

Davier, M

De Rosa, R

Di Fiore, L

Di Virgilio, A

Dujardin, B

Eleuteri, A

Enard, D

Ferrante, I

Fidecaro, F

Fiori, I

Flamino, R

Fournier, JD

Frasca, S

Frasconi, F

Gammaitoni, L

Gennai, A

Giazotto, A

机构：

[1] Ist Nazl Fis Nucl, Sez Firenze Urbino, I-50019 Sesto Fiorentino, Italy

[2] Univ Florence, I-50121 Florence, Italy

[3] Osserv Astrofis Arcetri, I-50125 Florence, Italy

[4] Univ Urbino, I-61029 Urbino, Italy

[5] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[6] Univ Roma La Sapienza, I-00185 Rome, Italy

[7] SMA, INPL, F-69622 Lyon, France

[8] Lab Annecy Le Vieux Phys Particules Chim Bellevue, F-74941 Annecy Le Vieux, France

[9] ESPCI, F-75005 Paris, France

[10] Observ Cote Azur, Dept Fresnel Interferometrie Laser Gravitat & Ast, F-06304 Nice 4, France

[11] Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy

[12] Univ Naples Federico II, I-80126 Naples, Italy

[13] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy

[14] Univ Perugia, I-06123 Perugia, Italy

[15] Univ Paris 11, IN2P3, CNRS, LAL, F-91898 Orsay, France

[16] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Roma, Italy

[17] EGO, I-56021 Cascina, PI, Italy

[18] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy

[19] Univ Pisa, I-56127 Pisa, Italy

[20] Univ Salerno, I-84084 Salerno, Italy

来源：

ASTROPARTICLE PHYSICS | 2004年 / 20卷 / 06期

关键词：

gravitational wave detectors; seismic isolation; digital control;

D O I：

10.1016/j.astropartphys.2003.10.001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The mirrors of interferometric detectors of gravitational waves (GW) are suspended in order to be isolated from external disturbances. A local control system able to keep them correctly aligned and to damp the angular modes of the suspension is necessary. In this paper we present the solution adopted for Virgo based on a CCD camera sensor and on digital controls. With this solution the mirrors are kept aligned at the level of less than 1 murad rms, enough to lock the interferometer and start the automatic alignment system. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：617 / 628

页数：12

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