Related papers: The Advanced LIGO Input Optics

Improving the Data Quality of Advanced LIGO Based on Early Engineering Run Results

The Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) detectors have completed their initial upgrade phase and will enter the first observing run in late 2015, with detector sensitivity expected to improve in future runs.…

General Relativity and Quantum Cosmology · Physics 2016-01-29 L. K. Nuttall , T. J. Massinger , J. Areeda , J. Betzwieser , S. Dwyer , A. Effler , R. P. Fisher , P. Fritschel , J. S. Kissel , A. P. Lundgren , D. M. Macleod , D. Martynov , J. McIver , A. Mullavey , D. Sigg , J. R. Smith , G. Vajente , A. R. Williamson , C. C. Wipf

The Advanced LIGO Gravitational Wave Detector

The Advanced LIGO gravitational wave detectors will be installed starting in 2011, with completion scheduled for 2015. The new detectors will improve the strain sensitivity of current instruments by a factor of ten, with a thousandfold…

General Relativity and Quantum Cosmology · Physics 2011-03-15 S. J. Waldman

The path to the enhanced and advanced LIGO gravitational-wave detectors

We report on the status of the Laser Interferometric Gravitational-Wave Observatory (LIGO) and the plans and progress towards Enhanced and Advanced LIGO. The initial LIGO detectors have finished a two year long data run during which a full…

General Relativity and Quantum Cosmology · Physics 2019-08-13 Joshua R Smith

The Sensitivity of the Advanced LIGO Detectors at the Beginning of Gravitational Wave Astronomy

The Laser Interferometer Gravitational Wave Observatory (LIGO) consists of two widely separated 4 km laser interferometers designed to detect gravitational waves from distant astrophysical sources in the frequency range from 10 Hz to 10…

Instrumentation and Methods for Astrophysics · Physics 2018-02-13 D. V. Martynov , E. D. Hall , B. P. Abbott , R. Abbott , T. D. Abbott , C. Adams , R. X. Adhikari , R. A. Anderson , S. B. Anderson , K. Arai , M. A. Arain , S. M. Aston , L. Austin , S. W. Ballmer , M. Barbet , D. Barker , B. Barr , L. Barsotti , J. Bartlett , M. A. Barton , I. Bartos , J. C. Batch , A. S. Bell , I. Belopolski , J. Bergman , J. Betzwieser , G. Billingsley , J. Birch , S. Biscans , C. Biwer , E. Black , C. D. Blair , C. Bogan , C. Bond , R. Bork , D. O. Bridges , A. F. Brooks , D. D. Brown , L. Carbone , C. Celerier , G. Ciani , F. Clara , D. Cook , S. T. Countryman , M. J. Cowart , D. C. Coyne , A. Cumming , L. Cunningham , M. Damjanic , R. Dannenberg , K. Danzmann , C. F. Da Silva Costa , E. J. Daw , D. DeBra , R. T. DeRosa , R. DeSalvo , K. L. Dooley , S. Doravari , J. C. Driggers , S. E. Dwyer , A. Effler , T. Etzel , M. Evans , T. M. Evans , M. Factourovich , H. Fair , D. Feldbaum , R. P. Fisher , S. Foley , M. Frede , A. Freise , P. Fritschel , V. V. Frolov , P. Fulda , M. Fyffe , V. Galdi , J. A. Giaime , K. D. Giardina , J. R. Gleason , R. Goetz , S. Gras , C. Gray , R. J. S. Greenhalgh , H. Grote , C. J. Guido , K. E. Gushwa , E. K. Gustafson , R. Gustafson , G. Hammond , J. Hanks , J. Hanson , T. Hardwick , G. M. Harry , K. Haughian , J. Heefner , M. C. Heintze , A. W. Heptonstall , D. Hoak , J. Hough , A. Ivanov , K. Izumi , M. Jacobson , E. James , R. Jones , S. Kandhasamy , S. Karki , M. Kasprzack , S. Kaufer , K. Kawabe , W. Kells , N. Kijbunchoo , E. J. King , P. J. King , D. L. Kinzel , J. S. Kissel , K. Kokeyama , W. Z. Korth , G. Kuehn , P. Kwee , M. Landry , B. Lantz , A. Le Roux , B. M. Levine , J. B. Lewis , V. Lhuillier , N. A. Lockerbie , M. Lormand , M. J. Lubinski , A. P. Lundgren , T. MacDonald , M. MacInnis , D. M. Macleod , M. Mageswaran , K. Mailand , S. M'arka , Z. M'arka , A. S. Markosyan , E. Maros , I. W. Martin , R. M. Martin , J. N. Marx , K. Mason , T. J. Massinger , F. Matichard , N. Mavalvala , R. McCarthy , D. E. McClelland , S. McCormick , G. McIntyre , J. McIver , E. L. Merilh , M. S. Meyer , P. M. Meyers , J. Miller , R. Mittleman , G. Moreno , C. L. Mueller , G. Mueller , A. Mullavey , J. Munch , P. G. Murray , L. K. Nuttall , J. Oberling , J. O'Dell , P. Oppermann , Richard J. Oram , B. O'Reilly , C. Osthelder , D. J. Ottaway , H. Overmier , J. R. Palamos , H. R. Paris , W. Parker , Z. Patrick , A. Pele , S. Penn , M. Phelps , M. Pickenpack , V. Piero , I. Pinto , J. Poeld , M. Principe , L. Prokhorov , O. Puncken , V. Quetschke , E. A. Quintero , F. J. Raab , H. Radkins , P. Raffai , C. R. Ramet , C. M. Reed , S. Reid , D. H. Reitze , N. A. Robertson , J. G. Rollins , V. J. Roma , J. H. Romie , S. Rowan , K. Ryan , T. Sadecki , E. J. Sanchez , V. Sandberg , V. Sannibale , R. L. Savage , R. M. S. Schofield , B. Schultz , P. Schwinberg , D. Sellers , A. Sevigny , D. A. Shaddock , Z. Shao , B. Shapiro , P. Shawhan , D. H. Shoemaker , D. Sigg , B. J. J. Slagmolen , J. R. Smith , M. R. Smith , N. D. Smith-Lefebvre , B. Sorazu , A. Staley , A. J. Stein , A. Stochino , K. A. Strain , R. Taylor , M. Thomas , P. Thomas , K. A. Thorne , E. Thrane , K. V. Tokmakov , C. I. Torrie , G. Traylor , G. Vajente , G. Valdes , A. A. van Veggel , M. Vargas , A. Vecchio , P. J. Veitch , K. Venkateswara , T. Vo , C. Vorvick , S. J. Waldman , M. Walker , R. L. Ward , J. Warner , B. Weaver , R. Weiss , T. Welborn , P. Wessels , C. Wilkinson , P. A. Willems , L. Williams , B. Willke , I. Wilmut , L. Winkelmann , C. C. Wipf , J. Worden , G. Wu , H. Yamamoto , C. C. Yancey , H. Yu , L. Zhang , M. E. Zucker , J. Zweizig

Advanced LIGO

The Advanced LIGO gravitational wave detectors are second generation instruments designed and built for the two LIGO observatories in Hanford, WA and Livingston, LA. The two instruments are identical in design, and are specialized versions…

General Relativity and Quantum Cosmology · Physics 2015-06-23 The LIGO Scientific Collaboration

Sensitivity and Performance of the Advanced LIGO Detectors in the Third Observing Run

On April 1st, 2019, the Advanced Laser Interferometer Gravitational-Wave Observatory (aLIGO), joined by the Advanced Virgo detector, began the third observing run, a year-long dedicated search for gravitational radiation. The LIGO detectors…

Instrumentation and Methods for Astrophysics · Physics 2020-09-15 LIGO Instrument Science List , : , A. Buikema , C. Cahillane , G. L. Mansell , C. D. Blair , R. Abbott , C. Adams , R. X. Adhikari , A. Ananyeva , S. Appert , K. Arai , J. S. Areeda , Y. Asali , S. M. Aston , C. Austin , A. M. Baer , M. Ball , S. W. Ballmer , S. Banagiri , D. Barker , L. Barsotti , J. Bartlett , B. K. Berger , J. Betzwieser , D. Bhattacharjee , G. Billingsley , S. Biscans , R. M. Blair , N. Bode , P. Booker , R. Bork , A. Bramley , A. F. Brooks , D. D. Brown , K. C. Cannon , X. Chen , A. A. Ciobanu , F. Clara , S. J. Cooper , K. R. Corley , S. T. Countryman , P. B. Covas , D. C. Coyne , L. E. H. Datrier , D. Davis , C. Di Fronzo , K. L. Dooley , J. C. Driggers , P. Dupej , S. E. Dwyer , A. Effler , T. Etzel , M. Evans , T. M. Evans , J. Feicht , A. Fernandez-Galiana , P. Fritschel , V. V. Frolov , P. Fulda , M. Fyffe , J. A. Giaime , K. D. Giardina , P. Godwin , E. Goetz , S. Gras , C. Gray , R. Gray , A. C. Green , E. K. Gustafson , R. Gustafson , J. Hanks , J. Hanson , T. Hardwick , R. K. Hasskew , M. C. Heintze , A. F. Helmling-Cornell , N. A. Holland , J. D. Jones , S. Kandhasamy , S. Karki , M. Kasprzack , K. Kawabe , N. Kijbunchoo , P. J. King , J. S. Kissel , Rahul Kumar , M. Landry , B. B. Lane , B. Lantz , M. Laxen , Y. K. Lecoeuche , J. Leviton , J. Liu , M. Lormand , A. P. Lundgren , R. Macas , M. MacInnis , D. M. Macleod , S. Márka , Z. Márka , D. V. Martynov , K. Mason , T. J. Massinger , F. Matichard , N. Mavalvala , R. McCarthy , D. E. McClelland , S. McCormick , L. McCuller , J. McIver , T. McRae , G. Mendell , K. Merfeld , E. L. Merilh , F. Meylahn , T. Mistry , R. Mittleman , G. Moreno , C. M. Mow-Lowry , S. Mozzon , A. Mullavey , T. J. N. Nelson , P. Nguyen , L. K. Nuttall , J. Oberling , Richard J. Oram , B. O'Reilly , C. Osthelder , D. J. Ottaway , H. Overmier , J. R. Palamos , W. Parker , E. Payne , A. Pele , R. Penhorwood , C. J. Perez , M. Pirello , H. Radkins , K. E. Ramirez , J. W. Richardson , K. Riles , N. A. Robertson , J. G. Rollins , C. L. Romel , J. H. Romie , M. P. Ross , K. Ryan , T. Sadecki , E. J. Sanchez , L. E. Sanchez , T. R. Saravanan , R. L. Savage , D. Schaetzl , R. Schnabel , R. M. S. Schofield , E. Schwartz , D. Sellers , T. Shaffer , D. Sigg , B. J. J. Slagmolen , J. R. Smith , S. Soni , B. Sorazu , A. P. Spencer , K. A. Strain , L. Sun , M. J. Szczepańczyk , M. Thomas , P. Thomas , K. A. Thorne , K. Toland , C. I. Torrie , G. Traylor , M. Tse , A. L. Urban , G. Vajente , G. Valdes , D. C. Vander-Hyde , P. J. Veitch , K. Venkateswara , G. Venugopalan , A. D. Viets , T. Vo , C. Vorvick , M. Wade , R. L. Ward , J. Warner , B. Weaver , R. Weiss , C. Whittle , B. Willke , C. C. Wipf , L. Xiao , H. Yamamoto , Hang Yu , Haocun Yu , L. Zhang , M. E. Zucker , J. Zweizig

The Advanced LIGO Photon Calibrators

The two interferometers of the Laser Interferometry Gravitaional-wave Observatory (LIGO) recently detected gravitational waves from the mergers of binary black hole systems. Accurate calibration of the output of these detectors was crucial…

Instrumentation and Methods for Astrophysics · Physics 2016-12-21 S. Karki , D. Tuyenbayev , S. Kandhasamy , B. P. Abbott , T. D. Abbott , E. H. Anders , J. Berliner , J. Betzwieser , H. P. Daveloza , C. Cahillane , L. Canete , C. Conley , J. R. Gleason , E. Goetz , J. S. Kissel , K. Izumi , G. Mendell , V. Quetschke , M. Rodruck , S. Sachdev , T. Sadecki , P. B. Schwinberg , A. Sottile , M. Wade , A. J. Weinstein , M. West , R. L. Savage

A Gravitational Wave Detector with Cosmological Reach

Twenty years ago, construction began on the Laser Interferometer Gravitational-wave Observatory (LIGO). Advanced LIGO, with a factor of ten better design sensitivity than Initial LIGO, will begin taking data this year, and should soon make…

Instrumentation and Methods for Astrophysics · Physics 2015-05-15 Sheila E. Dwyer , Daniel Sigg , Stefan Ballmer , Lisa Barsotti , Nergis Mavalvala , Matthew Evans

Characterization of thermal effects in the Enhanced LIGO Input Optics

We present the design and performance of the LIGO Input Optics subsystem as implemented for the sixth science run of the LIGO interferometers. The Initial LIGO Input Optics experienced thermal side effects when operating with 7 W input…

Instrumentation and Detectors · Physics 2012-03-27 K. L. Dooley , M. A. Arain , D. Feldbaum , V. V. Frolov , M. Heintze , D. Hoak , E. A. Khazanov , A. Lucianetti , R. M. Martin , G. Mueller , O. Palashov , V. Quetschke , D. H. Reitze , R. L. Savage , D. B. Tanner , L. F. Williams , W. Wu

LIGO: The Laser Interferometer Gravitational-Wave Observatory

The goal of the Laser Interferometric Gravitational-Wave Observatory (LIGO) is to detect and study gravitational waves of astrophysical origin. Direct detection of gravitational waves holds the promise of testing general relativity in the…

General Relativity and Quantum Cosmology · Physics 2009-09-29 The LIGO Scientific Collaboration , B. Abbott

GW150914: The Advanced LIGO Detectors in the Era of First Discoveries

Following a major upgrade, the two advanced detectors of the Laser Interferometer Gravitational-wave Observatory (LIGO) held their first observation run between September 2015 and January 2016. With a strain sensitivity of…

General Relativity and Quantum Cosmology · Physics 2016-04-06 The LIGO Scientific Collaboration , The Virgo Collaboration

Adaptive thermal compensation of test masses in advanced LIGO

As the first generation of laser interferometric gravitational wave detectors near operation, research and development has begun on increasing the instrument's sensitivity while utilizing the existing infrastructure. In the Laser…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Ryan Lawrence , Michael Zucker , Peter Fritschel , Phil Marfuta , David Shoemaker

Second generation instruments for the Laser Interferometer Gravitational Wave Observatory (LIGO)

The interferometers being planned for second generation LIGO promise and order of magnitude increase in broadband strain sensitivity--with the corresponding cubic increase in detection volume--and an extension of the observation band to…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Peter Fritschel

Enhancing the sensitivity of the LIGO gravitational wave detector by using squeezed states of light

Nearly a century after Einstein first predicted the existence of gravitational waves, a global network of earth-based gravitational wave observatories is seeking to directly detect this faint radiation using precision laser interferometry.…

Quantum Physics · Physics 2013-10-02 The LIGO Scientific Collaboration

An analysis and visualization of the output mode-matching requirements for squeezing in Advanced LIGO and future gravitational wave detectors

The sensitivity of ground-based gravitational wave (GW) detectors will be improved in the future via the injection of frequency-dependent squeezed vacuum. The achievable improvement is ultimately limited by losses of the interferometer…

Instrumentation and Detectors · Physics 2020-06-10 Antonio Perreca , Aidan Brooks , Jonathan Richardson , Daniel Toyra , Rory Smith

Status of advanced ground-based laser interferometers for gravitational-wave detection

Ground-based laser interferometers for gravitational-wave (GW) detection were first constructed starting 20 years ago and as of 2010 collection of several years' worth of science data at initial design sensitivities was completed. Upgrades…

Instrumentation and Detectors · Physics 2015-06-11 Katherine L Dooley , Tomotada Akutsu , Sheila Dwyer , Paola Puppo

The Detection of Gravitational Waves with LIGO

Gravitational wave emission is expected to arise from a variety of astrophysical phenomena. A new generation of detectors with sensitivity consistent with expectation from such sources is being developed. The Laser Interferometer…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Barry C. Barish

Optimizing Gravitational-Wave Detector Design for Squeezed Light

Achieving the quantum noise targets of third-generation detectors will require 10 dB of squeezed-light enhancement as well as megawatt laser power in the interferometer arms - both of which require unprecedented control of the internal…

Instrumentation and Methods for Astrophysics · Physics 2022-05-31 Jonathan W. Richardson , Swadha Pandey , Edita Bytyqi , Tega Edo , Rana X. Adhikari

Advanced LIGO detector performance in the fourth observing run

On May 24th, 2023, the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO), joined by the Advanced Virgo and KAGRA detectors, began the fourth observing run for a two-year-long dedicated search for gravitational waves. The…

General Relativity and Quantum Cosmology · Physics 2025-03-05 E. Capote , W. Jia , N. Aritomi , M. Nakano , V. Xu , R. Abbott , I. Abouelfettouh , R. X. Adhikari , A. Ananyeva , S. Appert , S. K. Apple , K. Arai , S. M. Aston , M. Ball , S. W. Ballmer , D. Barker , L. Barsotti , B. K. Berger , J. Betzwieser , D. Bhattacharjee , G. Billingsley , S. Biscans , C. D. Blair , N. Bode , E. Bonilla , V. Bossilkov , A. Branch , A. F. Brooks , D. D. Brown , J. Bryant , C. Cahillane , H. Cao , F. Clara , J. Collins , C. M. Compton , R. Cottingham , D. C. Coyne , R. Crouch , J. Csizmazia , A. Cumming , L. P. Dartez , D. Davis , N. Demos , E. Dohmen , J. C. Driggers , S. E. Dwyer , A. Effler , A. Ejlli , T. Etzel , M. Evans , J. Feicht , R. Frey , W. Frischhertz , P. Fritschel , V. V. Frolov , M. Fuentes-Garcia , P. Fulda , M. Fyffe , D. Ganapathy , B. Gateley , T. Gayer , J. A. Giaime , K. D. Giardina , J. Glanzer , E. Goetz , R. Goetz , A. W. Goodwin-Jones , S. Gras , C. Gray , D. Griffith , H. Grote , T. Guidry , J. Gurs , E. D. Hall , J. Hanks , J. Hanson , M. C. Heintze , A. F. Helmling-Cornell , N. A. Holland , D. Hoyland , H. Y. Huang , Y. Inoue , A. L. James , A. Jamies , A. Jennings , D. H. Jones , H. B. Kabagoz , S. Karat , S. Karki , M. Kasprzack , K. Kawabe , N. Kijbunchoo , P. J. King , J. S. Kissel , K. Komori , A. Kontos , Rahul Kumar , K. Kuns , M. Landry , B. Lantz , M. Laxen , K. Lee , M. Lesovsky , F. Llamas Villarreal , M. Lormand , H. A. Loughlin , R. Macas , M. MacInnis , C. N. Makarem , B. Mannix , G. L. Mansell , R. M. Martin , K. Mason , F. Matichard , N. Mavalvala , N. Maxwell , G. McCarrol , R. McCarthy , D. E. McClelland , S. McCormick , T. McRae , F. Mera , E. L. Merilh , F. Meylahn , R. Mittleman , D. Moraru , G. Moreno , A. Mullavey , T. J. N. Nelson , A. Neunzert , J. Notte , J. Oberling , T. OHanlon , C. Osthelder , D. J. Ottaway , H. Overmier , W. Parker , O. Patane , A. Pele , H. Pham , M. Pirello , J. Pullin , V. Quetschke , K. E. Ramirez , K. Ransom , J. Reyes , J. W. Richardson , M. Robinson , J. G. Rollins , C. L. Romel , J. H. Romie , M. P. Ross , K. Ryan , T. Sadecki , A. Sanchez , E. J. Sanchez , L. E. Sanchez , R. L. Savage , D. Schaetzl , M. G. Schiworski , R. Schnabel , R. M. S. Schofield , E. Schwartz , D. Sellers , T. Shaffer , R. W. Short , D. Sigg , B. J. J. Slagmolen , C. Soike , S. Soni , V. Srivastava , L. Sun , D. B. Tanner , M. Thomas , P. Thomas , K. A. Thorne , M. R. Todd , C. I. Torrie , G. Traylor , A. S. Ubhi , G. Vajente , J. Vanosky , A. Vecchio , P. J. Veitch , A. M. Vibhute , E. R. G. von Reis , J. Warner , B. Weaver , R. Weiss , C. Whittle , B. Willke , C. C. Wipf , J. L. Wright , H. Yamamoto , L. Zhang , M. E. Zucker

Calibration Uncertainty for Advanced LIGO's First and Second Observing Runs

Calibration of the Advanced LIGO detectors is the quantification of the detectors' response to gravitational waves. Gravitational waves incident on the detectors cause phase shifts in the interferometer laser light which are read out as…

Instrumentation and Methods for Astrophysics · Physics 2017-11-15 Craig Cahillane , Joe Betzwieser , Duncan A. Brown , Evan Goetz , Evan D. Hall , Kiwamu Izumi , Shivaraj Kandhasamy , Sudarshan Karki , Jeff S. Kissel , Greg Mendell , Richard L. Savage , Darkhan Tuyenbayev , Alex Urban , Aaron Viets , Madeline Wade , Alan J. Weinstein