Advanced LIGO

被引：2049

作者：

Aasi, J. ^{[1
]}

Abbott, B. P. ^{[1
]}

Abbott, R. ^{[1
]}

Abbott, T. ^{[2
]}

Abernathy, M. R. ^{[1
]}

Ackley, K. ^{[3
]}

Adams, C. ^{[4
]}

Adams, T. ^{[5
,6
]}

Addesso, P. ^{[7
,8
]}

Adhikari, R. X. ^{[1
]}

Adya, V. ^{[9
]}

Affeldt, C. ^{[9
]}

Aggarwal, N. ^{[10
]}

Aguiar, O. D. ^{[11
]}

Ain, A. ^{[12
,24
,25
,26
,27
,28
,30
,32
]}

Ajith, P. ^{[13
]}

Alemic, A. ^{[14
,24
,25
,28
]}

Allen, B. ^{[15
,16
]}

Amariutei, D. ^{[3
]}

Anderson, S. B. ^{[1
]}

Anderson, W. G. ^{[16
]}

Arai, K. ^{[1
]}

Araya, M. C. ^{[1
]}

Arceneaux, C. ^{[17
]}

Areeda, J. S. ^{[18
]}

Ashton, G. ^{[19
]}

Ast, S. ^{[20
]}

Aston, S. M. ^{[4
]}

Aufmuth, P. ^{[20
]}

Aulbert, C. ^{[15
]}

Aylott, B. E. ^{[21
]}

Babak, S. ^{[22
]}

Baker, P. T. ^{[23
]}

Ballmer, S. W. ^{[14
]}

Barayoga, J. C. ^{[1
]}

Barbet, M. ^{[3
]}

Barclay, S. ^{[24
]}

Barish, B. C. ^{[1
]}

Barker, D. ^{[25
]}

Barr, B. ^{[24
]}

Barsotti, L. ^{[10
]}

Bartlett, J. ^{[25
]}

Barton, M. A. ^{[25
]}

Bartos, I. ^{[26
]}

Bassiri, R. ^{[27
]}

Batch, J. C. ^{[25
]}

Baune, C. ^{[9
]}

Behnke, B. ^{[22
]}

Bell, A. S. ^{[24
]}

Bell, C. ^{[24
]}

机构：

[1] CALTECH, LIGO, Pasadena, CA 91125 USA

[2] Louisiana State Univ, Baton Rouge, LA 70803 USA

[3] Univ Florida, Gainesville, FL 32611 USA

[4] LIGO, Livingston Observ, Livingston, LA 70754 USA

[5] Cardiff Univ, Cardiff CF24 3AA, S Glam, Wales

[6] Univ Savoie, CNRS, IN2P3, LAPP, F-74941 Annecy Le Vieux, France

[7] Univ Sannio, I-82100 Benevento, Italy

[8] INFN, Sez Napoli, I-80100 Naples, Italy

[9] Max Planck Inst Gravitat Phys, Albert Einstein Inst, Expt Grp, D-30167 Hannover, Germany

[10] MIT, LIGO, Cambridge, MA 02139 USA

[11] Inst Nacl Pesquisas Espaciais, BR-12227010 Sao Jose Dos Campos, SP, Brazil

[12] Inter Univ Ctr Astron & Astrophys, Pune 411007, Maharashtra, India

[13] Tata Inst Fundamental, Int Ctr Theoret Sci, Res, Bangalore 560012, Karnataka, India

[14] Syracuse Univ, Syracuse, NY 13244 USA

[15] Max Planck Inst Gravitat Phys, Albert Einstein Inst, Data Anal Grp, D-30167 Hannover, Germany

[16] Univ Wisconsin, Milwaukee, WI 53201 USA

[17] Univ Mississippi, University, MS 38677 USA

[18] Calif State Univ Fullerton, Fullerton, CA 92831 USA

[19] Univ Southampton, Southampton SO17 1BJ, Hants, England

[20] Leibniz Univ Hannover, D-30167 Hannover, Germany

[21] Univ Birmingham, Birmingham B15 2TT, W Midlands, England

[22] Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-14476 Golm, Germany

[23] Montana State Univ, Bozeman, MT 59717 USA

[24] Univ Glasgow, SUPA, Glasgow G12 8QQ, Lanark, Scotland

[25] LIGO, Hanford Observ, Richland, WA 99352 USA

[26] Columbia Univ, New York, NY 10027 USA

[27] Stanford Univ, Stanford, CA 94305 USA

[28] Univ Texas Brownsville, Brownsville, TX 78520 USA

[29] RRCAT, Indore 452013, Madhya Pradesh, India

[30] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia

[31] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[32] Univ Western Australia, Crawley, WA 6009, Australia

[33] Eotvos Lorand Univ, MTA, Lendulet Astrophys Res Grp, H-1117 Budapest, Hungary

[34] Washington State Univ, Pullman, WA 99164 USA

[35] Univ Oregon, Eugene, OR 97403 USA

[36] Univ Maryland, College Pk, MD 20742 USA

[37] Univ Massachusetts, Amherst, MA 01003 USA

[38] Univ Illes Balears, IEEC, E-07122 Palma De Mallorca, Spain

[39] Univ Toronto, Canadian Inst Theoret Astrophys, Toronto, ON M5S 3H8, Canada

[40] Tsinghua Univ, Beijing 100084, Peoples R China

[41] Univ Michigan, Ann Arbor, MI 48109 USA

[42] Natl Tsing Hua Univ, Hsinchu 300, Taiwan

[43] Charles Sturt Univ, Wagga Wagga, NSW 2678, Australia

[44] Caltech CaRT, Pasadena, CA 91125 USA

[45] Pusan Natl Univ, Busan 609735, South Korea

[46] Australian Natl Univ, Canberra, ACT 0200, Australia

[47] Carleton Coll, Northfield, MN 55057 USA

[48] Univ Brussels, B-1050 Brussels, Belgium

[49] Sonoma State Univ, Rohnert Pk, CA 94928 USA

[50] Texas Tech Univ, Lubbock, TX 79409 USA

来源：

CLASSICAL AND QUANTUM GRAVITY | 2015年 / 32卷 / 07期

基金：

美国国家科学基金会; 澳大利亚研究理事会; 美国国家航空航天局; 新加坡国家研究基金会;

关键词：

gravitational waves; interferometers; seismic isolation; optics; GRAVITATIONAL-WAVE DETECTOR; MECHANICAL LOSS; FREQUENCY; RADIATION; ALIGNMENT; READOUT;

D O I：

10.1088/0264-9381/32/7/074001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Advanced LIGO gravitational wave detectors are second-generation instruments designed and built for the two LIGO observatories in Hanford, WA and Livingston, LA, USA. The two instruments are identical in design, and are specialized versions of a Michelson interferometer with 4 km long arms. As in Initial LIGO, Fabry-Perot cavities are used in the arms to increase the interaction time with a gravitational wave, and power recycling is used to increase the effective laser power. Signal recycling has been added in Advanced LIGO to improve the frequency response. In the most sensitive frequency region around 100 Hz, the design strain sensitivity is a factor of 10 better than Initial LIGO. In addition, the low frequency end of the sensitivity band is moved from 40 Hz down to 10 Hz. All interferometer components have been replaced with improved technologies to achieve this sensitivity gain. Much better seismic isolation and test mass suspensions are responsible for the gains at lower frequencies. Higher laser power, larger test masses and improved mirror coatings lead to the improved sensitivity at mid and high frequencies. Data collecting runs with these new instruments are planned to begin in mid-2015.

引用

页数：41

共 61 条

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