Progress and challenges in advanced ground-based gravitational-wave detectors

Adier, M.; Aguilar, Felipe; Akutsu, T.; Arain, M. A.; Ando, Masaki; Anghinolfi, Luca; Antonini, P.; Aso, Y.; Barr, B.; Barsotti, L.; Beker, M. G.; Bell, A. S.; Bellon, Ludovic; Bertolini, A.; Blair, C. D.; Blom, M.; Bogan, C.; Bond, C.; Bortoli, F. S.; Brown, D.; Buchler, Ben C.; Bulten, H. J.; Cagnoli, G.; Canepa, M.; Carbone, L.; Cesarini, E.; Champagnon, B.; Chen, D.; Chincarini, A.; Chtanov, A.; Chua, S.; Ciani, G.; Coccia, E.; Conte, A.; Cortese, M.; Daloisio, M.; Damjanic, M.; Day, R.; Ligny, Dominique de; Degallaix, J.; Doets, M.; Dolique, V.; Dooley, K. L.; Dwyer, S. E.; Evans, M.; Factourovich, M.; Fafone, V.; Farinon, S.; Feldbaum, D.; Flaminio, R.; Forest, Danièle; Frajuca, Carlos; Frede, M.; Freise, A.; Fricke, T. T.; Friedrich, Daniel; Fritschel, P.; Frolov, V. V.; Fulda, P.; Geitner, Mickaël; Gemme, G.; Gleason, J.; Goßler, S.; Gordon, Neil; Gräf, Christian; Granata, M.; Gras, S.; Gross, M.; Grote, H.; Gustafson, R.; Hanke, M. M.; Heintze, M. C.; Hennes, E.; Hild, S.; Huttner, S. H.; Ishidoshiro, K.; Izumi, K.; Kawabe, K.; Kawamura, Seiji; Kawazoe, F.; Kasprzack, M.; Khalaidovski, A.; Kimura, N.; Koike, S.; Kume, Tatsuya; Kumeta, Ayaka; Kuroda, K.; Kwee, P.; Lagrange, B.; Lam, Ping Koy; Landry, M.; Leavey, S.; Leonardi, M.; Li, T.; Liu, Z.; Lorenzini, M.; Losurdo, G.; Lumaca, D.; Macarthur, J.; Magalhães, Nadja S.; Majorana, E.; Malvezzi, V.; Mangano, V.; Mansell, G. L.; Marque, J.; Martin, R. M.; Мартынов, Д. В.; Mavalvala, N.; McClelland, D. E.; Meadors, G. D.; Meier, T.; Mermet, A.; Michel, C.; Minenkov, Y.; Mow–Lowry, C. M.; Mudadu, L.; Mueller, C. L.; Mueller, G.; Mul, F.; Kumar, D. Nanda; Nardecchia, I.; Naticchioni, L.; Néri, M.; Niwa, Yasumasa; Ohashi, M.; Okada, Kenshi; Oppermann, P.; Pinard, L.; Poeld, J.; Prato, Mirko; Prodi, G. A.; Puncken, O.; Puppo, P.; Quetschke, V.; Reitze, D. H.; Risson, P.; Rocchi, A.; Saito, N.; Saitō, Yoshio; Sakakibara, Yusuke; Sassolas, B.; Schimmel, Andreas; Schnabel, R.; Schofield, R. M. S.; Schreiber, E.; Sequino, V.; Serra, Enrico; Shaddock, D. A.; Shoda, A.; Shoemaker, D. H.; Shibata, Kazunori; Sigg, D.; Smith-Lefebvre, N. D.; Somiya, K.; Sorazu, B.; Stefszky, Michael; Strain, K. A.; Straniero, N.; Suzuki, Toshikazu; Takahashi, Ryutaro; Tanner, D. B.; Téllez, G.; Theeg, T.; Tokoku, Chihiro; Tsubono, K.; Uchiyama, Takashi; Ueda, S.; Vahlbruch, H.; Vajente, G.; Vorvick, C.; Brand, J. van den; Wade, A. R.; Ward, R. L.; Weßels, P.; Williams, L.; Willke, B.; Winkelmann, L.; Yamamoto, K.; Zendri, J.-P.

doi:10.1007/s10714-014-1749-4

Cited by 2 publications

(1 citation statement)

References 39 publications

(38 reference statements)

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“…The accelerometer for the horizontal plane is based on a Michelson interferometer and was developed at the Institute for Cosmic Ray Research of the University of Tokyo [13]. Figure 3(a) shows a schematic view of the device.…”

Section: Cryogenic Accelerometersmentioning

confidence: 99%

Vibration measurement in the KAGRA cryostat

Chen¹,

Naticchioni²,

Khalaidovski³

et al. 2014

Class. Quantum Grav.

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The Japanese gravitational wave observatory KAGRA will be operated at cryogenic temperatures to reduce thermal noise. Four main mirrors and their suspension systems, called cryogenic payloads, will be cooled in the cryostat. Vibrations of the cryostat and the cryocooler can contaminate the output of the detector. One of the noise paths is the heat link made from the pure soft metal between the cryogenic payload and cryocoolers to cool the payload. In order to evaluate this noise amplitude, we measured the vibration of the radiation shield at cryogenic temperatures at the cryostat production site in Yokohama, Japan. For this measurement, we developed cryogenic accelerometers. Based on the result of this measurement, we calculated the noise in the KAGRA interferometer. Our results show that with the current design, the seismic noise goal formulated for KAGRA cannot be achieved. Finally, we present a possible design optimization that is meant to reach the nominal sensitivity of the detector.

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Section: Cryogenic Accelerometersmentioning

confidence: 99%

Vibration measurement in the KAGRA cryostat

Chen¹,

Naticchioni²,

Khalaidovski³

et al. 2014

Class. Quantum Grav.

View full text Add to dashboard Cite

show abstract

Numerical study of the structural and vibrational properties of amorphous Ta2O5 and TiO2-doped Ta2O5

Damart

Coillet

Tanguy

et al. 2016

Journal of Applied Physics

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Using classical molecular dynamics simulations, we synthesized amorphous Ta2O5 and amorphous TiO2-doped Ta2O5. We show that Ta2O5 is composed primarily of six-folded Ta atoms forming octahedra that are either organized in chain-like structures or share edges or faces. When Ta2O5 is doped with TiO2, Ti atoms form equally five- and six-folded polyhedra that perturb but do not break the network structure of the glass. Performing a vibrational eigenmode analysis and projecting the eigenmodes on the rocking, stretching, and bending motions of the Ta-2O and Ta-3O bonds, we provide an atomic-scale analysis that substantiates the interpretations of Raman spectra of amorphous Ta2O5. This eigenmode analysis also reveals the key role played by Ti atoms in the 5 to 12 THz range.

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Progress and challenges in advanced ground-based gravitational-wave detectors

Cited by 2 publications

References 39 publications

Vibration measurement in the KAGRA cryostat

Vibration measurement in the KAGRA cryostat

Numerical study of the structural and vibrational properties of amorphous Ta2O5 and TiO2-doped Ta2O5

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