A thermal compensation system for the gravitational wave detector virgo

T. Accadia; F. Acernese; F. Antonucci; K. G. Arun; P. Astone; G. Ballardin; F. Barone; M. Barsuglia; Th S. Bauer; M. G. Beker; A. Belletoile; S. Bigotta; S. Birindelli; M. Bitossi; M. A. Bizouard; M. Blom; C. Boccara; F. Bondu; L. Bonelli; R. Bonnand; V. Boschi; L. Bosi; B. Bouhou; S. Braccini; C. Bradaschia; A. Brillet; V. Brisson; R. Budzyński; T. Bulik; H. J. Bulten; D. Buskulic; C. Buy; G. Cagnoli; E. Calloni; E. Campagna; B. Canuel; F. Carbognani; F. Cavalier; R. Cavalieri; G. Cella; E. Cesarini; E. Chassande-Mottin; A. Chincarini; F. Cleva; E. Coccia; C. N. Colacino; J. Colas; A. Colla; M. Colombini; A. Corsi; J. P. Coulon; E. Cuoco; S. D'Antonio; V. Dattilo; M. Davier; R. Day; R. De Rosa; M. Del Prete; L. Di Fiore; A. Di Lieto; M. Di Paolo Emilio; A. Di Virgilio; A. Dietz; M. Drago; V. Fafone; I. Ferrante; F. Fidecaro; I. Fiori; R. Flaminio; J. D. Fournier; J. Franc; S. Frasca; F. Frasconi; A. Freise; M. Galimberti; L. Gammaitoni; F. Garufi; G. Gemme; E. Genin; A. Gennai; A. Giazotto; R. Gouaty; M. Granata; C. Greverie; G. M. Guidi; J. F. Hayau; H. Heitmann; P. Hello; S. Hild; D. Huet; P. Jaranowski; I. Kowalska; A. Krolak; N. Leroy; N. Letendre; T. G.F. Li; M. Lorenzini; V. Loriette; G. Losurdo; E. Majorana; I. Maksimovic; N. Man; M. Mantovani; F. Marchesoni; F. Marion; J. Marque; F. Martelli; A. Masserot; C. Michel; L. Milano; Y. Minenkov; M. Mohan; J. Moreau; N. Morgado; A. Morgia; S. Mosca; V. Moscatelli; B. Mours; I. Neri; F. Nocera; G. Pagliaroli; L. Palladino; C. Palomba; F. Paoletti; S. Pardi; M. Parisi; A. Pasqualetti; R. Passaquieti; D. Passuello; G. Persichetti; M. Pichot; F. Piergiovanni; M. Pietka; L. Pinard; R. Poggiani; M. Prato; G. A. Prodi; M. Punturo; P. Puppo; D. S. Rabeling; P. Rapagnani; V. Re; T. Regimbau; F. Ricci; F. Robinet; A. Rocchi; L. Rolland; R. Romano; D. Rosinska; P. Ruggi; B. Sassolas; D. Sentenac; L. Sperandio; R. Sturani; B. Swinkels; A. Toncelli; M. Tonelli; O. Torre; E. Tournefier; F. Travasso; G. Vajente; J. F.J. Van Den Brand; S. Van Der Putten; M. Vavoulidis; G. Vedovato; D. Verkindt; F. Vetrano; A. Vicere; J. Y. Vinet; H. Vocca; M. Was; M. Yvert

doi:10.1142/9789814374552_0295

A thermal compensation system for the gravitational wave detector virgo

T. Accadia, F. Acernese, F. Antonucci, K. G. Arun, P. Astone, G. Ballardin, F. Barone, M. Barsuglia, Th S. Bauer, M. G. Beker, A. Belletoile, S. Bigotta, S. Birindelli, M. Bitossi, M. A. Bizouard, M. Blom, C. Boccara, F. Bondu, L. Bonelli, R. BonnandV. Boschi, L. Bosi, B. Bouhou, S. Braccini, C. Bradaschia, A. Brillet, V. Brisson, R. Budzyński, T. Bulik, H. J. Bulten, D. Buskulic, C. Buy, G. Cagnoli, E. Calloni, E. Campagna, B. Canuel, F. Carbognani, F. Cavalier, R. Cavalieri, G. Cella, E. Cesarini, E. Chassande-Mottin, A. Chincarini, F. Cleva, E. Coccia, C. N. Colacino, J. Colas, A. Colla, M. Colombini, A. Corsi, J. P. Coulon, E. Cuoco, S. D'Antonio, V. Dattilo, M. Davier, R. Day, R. De Rosa, M. Del Prete, L. Di Fiore, A. Di Lieto, M. Di Paolo Emilio, A. Di Virgilio, A. Dietz, M. Drago, V. Fafone, I. Ferrante, F. Fidecaro, I. Fiori, R. Flaminio, J. D. Fournier, J. Franc, S. Frasca, F. Frasconi, A. Freise, M. Galimberti, L. Gammaitoni, F. Garufi, G. Gemme, E. Genin, A. Gennai, A. Giazotto, R. Gouaty, M. Granata, C. Greverie, G. M. Guidi, J. F. Hayau, H. Heitmann, P. Hello, S. Hild, D. Huet, P. Jaranowski, I. Kowalska, A. Krolak, N. Leroy, N. Letendre, T. G.F. Li, M. Lorenzini, V. Loriette, G. Losurdo, E. Majorana, I. Maksimovic, N. Man, M. Mantovani, F. Marchesoni, F. Marion, J. Marque, F. Martelli, A. Masserot, C. Michel, L. Milano, Y. Minenkov, M. Mohan, J. Moreau, N. Morgado, A. Morgia, S. Mosca, V. Moscatelli, B. Mours, I. Neri, F. Nocera, G. Pagliaroli, L. Palladino, C. Palomba, F. Paoletti, S. Pardi, M. Parisi, A. Pasqualetti, R. Passaquieti, D. Passuello, G. Persichetti, M. Pichot, F. Piergiovanni, M. Pietka, L. Pinard, R. Poggiani, M. Prato, G. A. Prodi, M. Punturo, P. Puppo, D. S. Rabeling, P. Rapagnani, V. Re, T. Regimbau, F. Ricci, F. Robinet, A. Rocchi, L. Rolland, R. Romano, D. Rosinska, P. Ruggi, B. Sassolas, D. Sentenac, L. Sperandio, R. Sturani, B. Swinkels, A. Toncelli, M. Tonelli, O. Torre, E. Tournefier, F. Travasso, G. Vajente, J. F.J. Van Den Brand, S. Van Der Putten, M. Vavoulidis, G. Vedovato, D. Verkindt, F. Vetrano, A. Vicere, J. Y. Vinet, H. Vocca, M. Was, M. Yvert

Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

4 Scopus citations

Abstract

Thermal lensing due to the absorption of the laser beam in core optics of gravitational wave interferometers can represent a strong limitation to their operation and sensitivity. This effect has already been observed in the present detectors and will become more relevant in the future upgraded interferometers, due to the much higher circulating power. A thermal compensation system, based on a CO₂ laser projector, has been installed in Virgo, allowing to increase the interferometer input power from 7 to 17 W. The thermal compensation system can introduce displacement noise by means of several mechanisms. This noise depends on the CO₂ laser intensity fluctuations and on the power needed to compensate thermal effects. To make the displacement noise compliant with Virgo specifications, a feedback system to reduce the CO ₂ laser intensity fluctuations has been implemented.

Original language	English
Title of host publication	12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity
Publisher	World Scientific Publishing Co. Pte. Ltd.
Pages	1652-1656
Number of pages	5
ISBN (Print)	9814374512, 9789814374514
DOIs	https://doi.org/10.1142/9789814374552_0295
State	Published - 2012
Event	12th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, MG 2009 - Paris, France Duration: Jul 12 2009 → Jul 18 2009

Publication series

Name	12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity

Conference

Conference	12th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, MG 2009
Country/Territory	France
City	Paris
Period	07/12/09 → 07/18/09

Keywords

Gravitational waves
Interferometric detectors
Thermal lensing

Access to Document

10.1142/9789814374552_0295

Cite this

Accadia, T., Acernese, F., Antonucci, F., Arun, K. G., Astone, P., Ballardin, G., Barone, F., Barsuglia, M., Bauer, T. S., Beker, M. G., Belletoile, A., Bigotta, S., Birindelli, S., Bitossi, M., Bizouard, M. A., Blom, M., Boccara, C., Bondu, F., Bonelli, L., ... Yvert, M. (2012). A thermal compensation system for the gravitational wave detector virgo. In 12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity (pp. 1652-1656). (12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity). World Scientific Publishing Co. Pte. Ltd.. https://doi.org/10.1142/9789814374552_0295

Accadia, T. ; Acernese, F. ; Antonucci, F. et al. / A thermal compensation system for the gravitational wave detector virgo. 12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity. World Scientific Publishing Co. Pte. Ltd., 2012. pp. 1652-1656 (12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity).

@inproceedings{3c1910c572b8422b836179a42c742544,

title = "A thermal compensation system for the gravitational wave detector virgo",

abstract = "Thermal lensing due to the absorption of the laser beam in core optics of gravitational wave interferometers can represent a strong limitation to their operation and sensitivity. This effect has already been observed in the present detectors and will become more relevant in the future upgraded interferometers, due to the much higher circulating power. A thermal compensation system, based on a CO2 laser projector, has been installed in Virgo, allowing to increase the interferometer input power from 7 to 17 W. The thermal compensation system can introduce displacement noise by means of several mechanisms. This noise depends on the CO2 laser intensity fluctuations and on the power needed to compensate thermal effects. To make the displacement noise compliant with Virgo specifications, a feedback system to reduce the CO 2 laser intensity fluctuations has been implemented.",

keywords = "Gravitational waves, Interferometric detectors, Thermal lensing",

author = "T. Accadia and F. Acernese and F. Antonucci and Arun, {K. G.} and P. Astone and G. Ballardin and F. Barone and M. Barsuglia and Bauer, {Th S.} and Beker, {M. G.} and A. Belletoile and S. Bigotta and S. Birindelli and M. Bitossi and Bizouard, {M. A.} and M. Blom and C. Boccara and F. Bondu and L. Bonelli and R. Bonnand and V. Boschi and L. Bosi and B. Bouhou and S. Braccini and C. Bradaschia and A. Brillet and V. Brisson and R. Budzy{\'n}ski and T. Bulik and Bulten, {H. J.} and D. Buskulic and C. Buy and G. Cagnoli and E. Calloni and E. Campagna and B. Canuel and F. Carbognani and F. Cavalier and R. Cavalieri and G. Cella and E. Cesarini and E. Chassande-Mottin and A. Chincarini and F. Cleva and E. Coccia and Colacino, {C. N.} and J. Colas and A. Colla and M. Colombini and A. Corsi and Coulon, {J. P.} and E. Cuoco and S. D'Antonio and V. Dattilo and M. Davier and R. Day and {De Rosa}, R. and {Del Prete}, M. and {Di Fiore}, L. and {Di Lieto}, A. and {Di Paolo Emilio}, M. and {Di Virgilio}, A. and A. Dietz and M. Drago and V. Fafone and I. Ferrante and F. Fidecaro and I. Fiori and R. Flaminio and Fournier, {J. D.} and J. Franc and S. Frasca and F. Frasconi and A. Freise and M. Galimberti and L. Gammaitoni and F. Garufi and G. Gemme and E. Genin and A. Gennai and A. Giazotto and R. Gouaty and M. Granata and C. Greverie and Guidi, {G. M.} and Hayau, {J. F.} and H. Heitmann and P. Hello and S. Hild and D. Huet and P. Jaranowski and I. Kowalska and A. Krolak and N. Leroy and N. Letendre and Li, {T. G.F.} and M. Lorenzini and V. Loriette and G. Losurdo and E. Majorana and I. Maksimovic and N. Man and M. Mantovani and F. Marchesoni and F. Marion and J. Marque and F. Martelli and A. Masserot and C. Michel and L. Milano and Y. Minenkov and M. Mohan and J. Moreau and N. Morgado and A. Morgia and S. Mosca and V. Moscatelli and B. Mours and I. Neri and F. Nocera and G. Pagliaroli and L. Palladino and C. Palomba and F. Paoletti and S. Pardi and M. Parisi and A. Pasqualetti and R. Passaquieti and D. Passuello and G. Persichetti and M. Pichot and F. Piergiovanni and M. Pietka and L. Pinard and R. Poggiani and M. Prato and Prodi, {G. A.} and M. Punturo and P. Puppo and Rabeling, {D. S.} and P. Rapagnani and V. Re and T. Regimbau and F. Ricci and F. Robinet and A. Rocchi and L. Rolland and R. Romano and D. Rosinska and P. Ruggi and B. Sassolas and D. Sentenac and L. Sperandio and R. Sturani and B. Swinkels and A. Toncelli and M. Tonelli and O. Torre and E. Tournefier and F. Travasso and G. Vajente and {Van Den Brand}, {J. F.J.} and {Van Der Putten}, S. and M. Vavoulidis and G. Vedovato and D. Verkindt and F. Vetrano and A. Vicere and Vinet, {J. Y.} and H. Vocca and M. Was and M. Yvert",

year = "2012",

doi = "10.1142/9789814374552_0295",

language = "English",

isbn = "9814374512",

series = "12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity",

publisher = "World Scientific Publishing Co. Pte. Ltd.",

pages = "1652--1656",

booktitle = "12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity",

note = "12th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, MG 2009 ; Conference date: 12-07-2009 Through 18-07-2009",

}

Accadia, T, Acernese, F, Antonucci, F, Arun, KG, Astone, P, Ballardin, G, Barone, F, Barsuglia, M, Bauer, TS, Beker, MG, Belletoile, A, Bigotta, S, Birindelli, S, Bitossi, M, Bizouard, MA, Blom, M, Boccara, C, Bondu, F, Bonelli, L, Bonnand, R, Boschi, V, Bosi, L, Bouhou, B, Braccini, S, Bradaschia, C, Brillet, A, Brisson, V, Budzyński, R, Bulik, T, Bulten, HJ, Buskulic, D, Buy, C, Cagnoli, G, Calloni, E, Campagna, E, Canuel, B, Carbognani, F, Cavalier, F, Cavalieri, R, Cella, G, Cesarini, E, Chassande-Mottin, E, Chincarini, A, Cleva, F, Coccia, E, Colacino, CN, Colas, J, Colla, A, Colombini, M, Corsi, A, Coulon, JP, Cuoco, E, D'Antonio, S, Dattilo, V, Davier, M, Day, R, De Rosa, R, Del Prete, M, Di Fiore, L, Di Lieto, A, Di Paolo Emilio, M, Di Virgilio, A, Dietz, A, Drago, M, Fafone, V, Ferrante, I, Fidecaro, F, Fiori, I, Flaminio, R, Fournier, JD, Franc, J, Frasca, S, Frasconi, F, Freise, A, Galimberti, M, Gammaitoni, L, Garufi, F, Gemme, G, Genin, E, Gennai, A, Giazotto, A, Gouaty, R, Granata, M, Greverie, C, Guidi, GM, Hayau, JF, Heitmann, H, Hello, P, Hild, S, Huet, D, Jaranowski, P, Kowalska, I, Krolak, A, Leroy, N, Letendre, N, Li, TGF, Lorenzini, M, Loriette, V, Losurdo, G, Majorana, E, Maksimovic, I, Man, N, Mantovani, M, Marchesoni, F, Marion, F, Marque, J, Martelli, F, Masserot, A, Michel, C, Milano, L, Minenkov, Y, Mohan, M, Moreau, J, Morgado, N, Morgia, A, Mosca, S, Moscatelli, V, Mours, B, Neri, I, Nocera, F, Pagliaroli, G, Palladino, L, Palomba, C, Paoletti, F, Pardi, S, Parisi, M, Pasqualetti, A, Passaquieti, R, Passuello, D, Persichetti, G, Pichot, M, Piergiovanni, F, Pietka, M, Pinard, L, Poggiani, R, Prato, M, Prodi, GA, Punturo, M, Puppo, P, Rabeling, DS, Rapagnani, P, Re, V, Regimbau, T, Ricci, F, Robinet, F, Rocchi, A, Rolland, L, Romano, R, Rosinska, D, Ruggi, P, Sassolas, B, Sentenac, D, Sperandio, L, Sturani, R, Swinkels, B, Toncelli, A, Tonelli, M, Torre, O, Tournefier, E, Travasso, F, Vajente, G, Van Den Brand, JFJ, Van Der Putten, S, Vavoulidis, M, Vedovato, G, Verkindt, D, Vetrano, F, Vicere, A, Vinet, JY, Vocca, H, Was, M & Yvert, M 2012, A thermal compensation system for the gravitational wave detector virgo. in 12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity. 12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity, World Scientific Publishing Co. Pte. Ltd., pp. 1652-1656, 12th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, MG 2009, Paris, France, 07/12/09. https://doi.org/10.1142/9789814374552_0295

A thermal compensation system for the gravitational wave detector virgo. / Accadia, T.; Acernese, F.; Antonucci, F. et al.
12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity. World Scientific Publishing Co. Pte. Ltd., 2012. p. 1652-1656 (12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - A thermal compensation system for the gravitational wave detector virgo

AU - Accadia, T.

AU - Acernese, F.

AU - Antonucci, F.

AU - Arun, K. G.

AU - Astone, P.

AU - Ballardin, G.

AU - Barone, F.

AU - Barsuglia, M.

AU - Bauer, Th S.

AU - Beker, M. G.

AU - Belletoile, A.

AU - Bigotta, S.

AU - Birindelli, S.

AU - Bitossi, M.

AU - Bizouard, M. A.

AU - Blom, M.

AU - Boccara, C.

AU - Bondu, F.

AU - Bonelli, L.

AU - Bonnand, R.

AU - Boschi, V.

AU - Bosi, L.

AU - Bouhou, B.

AU - Braccini, S.

AU - Bradaschia, C.

AU - Brillet, A.

AU - Brisson, V.

AU - Budzyński, R.

AU - Bulik, T.

AU - Bulten, H. J.

AU - Buskulic, D.

AU - Buy, C.

AU - Cagnoli, G.

AU - Calloni, E.

AU - Campagna, E.

AU - Canuel, B.

AU - Carbognani, F.

AU - Cavalier, F.

AU - Cavalieri, R.

AU - Cella, G.

AU - Cesarini, E.

AU - Chassande-Mottin, E.

AU - Chincarini, A.

AU - Cleva, F.

AU - Coccia, E.

AU - Colacino, C. N.

AU - Colas, J.

AU - Colla, A.

AU - Colombini, M.

AU - Corsi, A.

AU - Coulon, J. P.

AU - Cuoco, E.

AU - D'Antonio, S.

AU - Dattilo, V.

AU - Davier, M.

AU - Day, R.

AU - De Rosa, R.

AU - Del Prete, M.

AU - Di Fiore, L.

AU - Di Lieto, A.

AU - Di Paolo Emilio, M.

AU - Di Virgilio, A.

AU - Dietz, A.

AU - Drago, M.

AU - Fafone, V.

AU - Ferrante, I.

AU - Fidecaro, F.

AU - Fiori, I.

AU - Flaminio, R.

AU - Fournier, J. D.

AU - Franc, J.

AU - Frasca, S.

AU - Frasconi, F.

AU - Freise, A.

AU - Galimberti, M.

AU - Gammaitoni, L.

AU - Garufi, F.

AU - Gemme, G.

AU - Genin, E.

AU - Gennai, A.

AU - Giazotto, A.

AU - Gouaty, R.

AU - Granata, M.

AU - Greverie, C.

AU - Guidi, G. M.

AU - Hayau, J. F.

AU - Heitmann, H.

AU - Hello, P.

AU - Hild, S.

AU - Huet, D.

AU - Jaranowski, P.

AU - Kowalska, I.

AU - Krolak, A.

AU - Leroy, N.

AU - Letendre, N.

AU - Li, T. G.F.

AU - Lorenzini, M.

AU - Loriette, V.

AU - Losurdo, G.

AU - Majorana, E.

AU - Maksimovic, I.

AU - Man, N.

AU - Mantovani, M.

AU - Marchesoni, F.

AU - Marion, F.

AU - Marque, J.

AU - Martelli, F.

AU - Masserot, A.

AU - Michel, C.

AU - Milano, L.

AU - Minenkov, Y.

AU - Mohan, M.

AU - Moreau, J.

AU - Morgado, N.

AU - Morgia, A.

AU - Mosca, S.

AU - Moscatelli, V.

AU - Mours, B.

AU - Neri, I.

AU - Nocera, F.

AU - Pagliaroli, G.

AU - Palladino, L.

AU - Palomba, C.

AU - Paoletti, F.

AU - Pardi, S.

AU - Parisi, M.

AU - Pasqualetti, A.

AU - Passaquieti, R.

AU - Passuello, D.

AU - Persichetti, G.

AU - Pichot, M.

AU - Piergiovanni, F.

AU - Pietka, M.

AU - Pinard, L.

AU - Poggiani, R.

AU - Prato, M.

AU - Prodi, G. A.

AU - Punturo, M.

AU - Puppo, P.

AU - Rabeling, D. S.

AU - Rapagnani, P.

AU - Re, V.

AU - Regimbau, T.

AU - Ricci, F.

AU - Robinet, F.

AU - Rocchi, A.

AU - Rolland, L.

AU - Romano, R.

AU - Rosinska, D.

AU - Ruggi, P.

AU - Sassolas, B.

AU - Sentenac, D.

AU - Sperandio, L.

AU - Sturani, R.

AU - Swinkels, B.

AU - Toncelli, A.

AU - Tonelli, M.

AU - Torre, O.

AU - Tournefier, E.

AU - Travasso, F.

AU - Vajente, G.

AU - Van Den Brand, J. F.J.

AU - Van Der Putten, S.

AU - Vavoulidis, M.

AU - Vedovato, G.

AU - Verkindt, D.

AU - Vetrano, F.

AU - Vicere, A.

AU - Vinet, J. Y.

AU - Vocca, H.

AU - Was, M.

AU - Yvert, M.

PY - 2012

Y1 - 2012

N2 - Thermal lensing due to the absorption of the laser beam in core optics of gravitational wave interferometers can represent a strong limitation to their operation and sensitivity. This effect has already been observed in the present detectors and will become more relevant in the future upgraded interferometers, due to the much higher circulating power. A thermal compensation system, based on a CO2 laser projector, has been installed in Virgo, allowing to increase the interferometer input power from 7 to 17 W. The thermal compensation system can introduce displacement noise by means of several mechanisms. This noise depends on the CO2 laser intensity fluctuations and on the power needed to compensate thermal effects. To make the displacement noise compliant with Virgo specifications, a feedback system to reduce the CO 2 laser intensity fluctuations has been implemented.

AB - Thermal lensing due to the absorption of the laser beam in core optics of gravitational wave interferometers can represent a strong limitation to their operation and sensitivity. This effect has already been observed in the present detectors and will become more relevant in the future upgraded interferometers, due to the much higher circulating power. A thermal compensation system, based on a CO2 laser projector, has been installed in Virgo, allowing to increase the interferometer input power from 7 to 17 W. The thermal compensation system can introduce displacement noise by means of several mechanisms. This noise depends on the CO2 laser intensity fluctuations and on the power needed to compensate thermal effects. To make the displacement noise compliant with Virgo specifications, a feedback system to reduce the CO 2 laser intensity fluctuations has been implemented.

KW - Gravitational waves

KW - Interferometric detectors

KW - Thermal lensing

UR - http://www.scopus.com/inward/record.url?scp=84885674090&partnerID=8YFLogxK

U2 - 10.1142/9789814374552_0295

DO - 10.1142/9789814374552_0295

M3 - Conference contribution

AN - SCOPUS:84885674090

SN - 9814374512

SN - 9789814374514

T3 - 12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity

SP - 1652

EP - 1656

BT - 12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity

PB - World Scientific Publishing Co. Pte. Ltd.

T2 - 12th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, MG 2009

Y2 - 12 July 2009 through 18 July 2009

ER -

Accadia T, Acernese F, Antonucci F, Arun KG, Astone P, Ballardin G et al. A thermal compensation system for the gravitational wave detector virgo. In 12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity. World Scientific Publishing Co. Pte. Ltd. 2012. p. 1652-1656. (12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity). doi: 10.1142/9789814374552_0295

A thermal compensation system for the gravitational wave detector virgo

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