First locking of the Virgo central area interferometer with suspension hierarchical control

被引：13

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

Confort, 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] EGO, I-56021 Cascina, PI, Italy

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

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

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

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

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

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

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

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

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

[11] Lab Annecy Le Vieux Phys Particules Chemin Bellev, F-74941 Annecy Le Vieux, France

[12] ESPCI, F-75005 Paris, France

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

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

[15] Univ Florence, I-50125 Florence, Italy

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

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

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

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

[20] IPNL, SMA, F-69622 Villeurbanne, France

来源：

ASTROPARTICLE PHYSICS | 2004年 / 20卷 / 06期

关键词：

gravitational waves detectors; interferometer; control systems; servo and control equipment; vibration isolation;

D O I：

10.1016/j.astropartphys.2003.10.003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Operation of the central portion of Virgo as a simple 6 in Michelson interferometer has given the first demonstration of the possibility to control an interferometer suspended from Virgo full scale multistage seismic attenuators using information derived from the interferometer locking signal. A special role in the control is played by the first stage of these suspensions, an inverted pendulum: besides its seismic preisolation action, this stage has positioning dynamics of several mm, and it allows to exert a very low frequency control at the tipper level of the suspension using the interferometer fringe signal. The application of this feedback to the top-stage of the suspension allows corrections of drifts, such as tidal ones, at a stage of the suspension where a large dynamic range in displacements is available, without introducing noise at the level of the mirror, resulting in a significant reduction of the lock keeping force applied directly on the mirror at the lowest stage of the attenuator. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：629 / 640

页数：12

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