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In the fall of 2015 the first scientific observing run (O1) of the advanced LIGO detectors will be conducted. Based on the recent commissioning progress at the LIGO Hanford and Livingston sites, the gravitational wave detector range for a…

High Energy Astrophysical Phenomena · Physics 2015-06-09 Jordan Camp , Lindy Blackburn , Michael Briggs , Nelson Christensen , Valerie Connaughton , Leo Singer , Peter Shawhan , John Veitch

Interferometric gravitational-wave detectors like LIGO, GEO600 and Virgo record a surplus of information above and beyond possible gravitational-wave events. These auxiliary channels capture information about the state of the detector and…

Instrumentation and Methods for Astrophysics · Physics 2014-07-29 Reed Essick , Lindy Blackburn , Erik Katsavounidis

Sensitivity of future laser interferometric gravitational-wave detectors can be improved using squeezed light with frequency-dependent squeeze angle and/or amplitude, which can be created using additional so-called filter cavities. Here we…

Instrumentation and Detectors · Physics 2014-11-20 Farit Ya. Khalili

A possibility of geophysical measurements using the large scale laser interferometrical gravitational wave antenna is discussed. An interferometer with suspended mirrors can be used as a gradiometer measuring variations of an angle between…

Atmospheric and Oceanic Physics · Physics 2009-11-07 V. N. Rudenko , A. V. Serdobolski , K. Tsubono

Gravitational-wave (GW) astronomy has advanced our understanding of compact mergers through instruments like the Laser Interferometer Gravitational-Wave Observatory (LIGO). However, the extreme sensitivity required for these detections…

Instrumentation and Methods for Astrophysics · Physics 2026-03-02 Bri Aleman , Derek Davis

During the first observing run of LIGO, two gravitational wave events and one lower-significance trigger (LVT151012) were reported by the LIGO/Virgo collaboration. At the time of LVT151012, the INTErnational Gamma-Ray Astrophysics…

Wave-optics effects in strongly lensed gravitational waves (GWs) provide a new interferometric probe of dark matter substructure. We compute the full diffraction integral for GWs propagating through statistically generated cold dark matter…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-05 Shin'ichiro Ando

We develop a high-precision model for laser ranging interferometric (LRI) observables of the GRACE Follow-On (GRACE-FO) mission. For this, we study the propagation of an electromagnetic wave in the gravitational field in the vicinity of an…

General Relativity and Quantum Cosmology · Physics 2014-05-29 Slava G. Turyshev , Mikhail V. Sazhin , Viktor T. Toth

The gravitational-wave detectors outputs from the LIGO and Virgo collaborations have been a source of scientific results of prime importance in various domains such as astrophysics, cosmology or fundamental physics. With the upgrades of the…

General Relativity and Quantum Cosmology · Physics 2021-02-05 Dimitri Estevez , Benoît Mours , Thierry Pradier

We describe the plans for a joint search for unmodelled gravitational wave bursts being carried out by the LIGO and TAMA collaborations using data collected during February-April 2003. We take a conservative approach to detection, requiring…

Advanced gravitational-wave detectors such as the Laser Interferometer Gravitational-Wave Observatories (LIGO) require an unprecedented level of isolation from the ground. When in operation, they are expected to observe changes in the…

Instrumentation and Detectors · Physics 2019-12-10 S. Biscans , J. Warner , R. Mittleman , C. Buchanan , M. Coughlin , M. Evans , H. Gabbard , J. Harms , B. Lantz , N. Mukund , A. Pele , C. Pezerat , P. Picart , H. Radkins , T. Shaffer

Crystalline materials are promising candidates as substrates or high-reflective coatings of mirrors to reduce thermal noises in future laser interferometric gravitational wave detectors. However, birefringence of such materials could…

Instrumentation and Methods for Astrophysics · Physics 2024-02-01 Yuta Michimura , Haoyu Wang , Francisco Salces-Carcoba , Christopher Wipf , Aidan Brooks , Koji Arai , Rana X Adhikari

We present a flexible model to describe the effects of generic deviations of observed gravitational wave signals from modeled waveforms in the LIGO and Virgo gravitational wave detectors. With the detection of 11 gravitational wave events…

A laser interferometric detector of gravitational waves is studied and a complete solution (to first order in the metric perturbation) of the coupled Einstein-Maxwell equations with appropriate boundary conditions for the light beams is…

Astrophysics · Physics 2010-04-06 F. I. Cooperstock , V. Faraoni

Thanks to its high orbit and a set of complementary detectors providing continuous coverage of the whole sky, the INTEGRAL satellite has unique capabilities for the identification and study of the electromagnetic radiation associated to…

Gravitational waves from compact binaries measured by the LIGO and Virgo detectors are routinely analyzed using Markov Chain Monte Carlo sampling algorithms. Because the evaluation of the likelihood function requires evaluating millions of…

Instrumentation and Methods for Astrophysics · Physics 2020-12-23 Arnaud Delaunoy , Antoine Wehenkel , Tanja Hinderer , Samaya Nissanke , Christoph Weniger , Andrew R. Williamson , Gilles Louppe

We describe a case study of translational research, applying interpretability techniques developed for computer vision to machine learning models used to search for and find gravitational waves. The models we study are trained to detect…

General Relativity and Quantum Cosmology · Physics 2022-02-16 Mohammadtaher Safarzadeh , Asad Khan , E. A. Huerta , Martin Wattenberg

The probability that interferometric detectors such as LIGO and VIRGO will successfully detect inspiraling compact binaries depends in part on our knowledge of the expected gravitational wave forms. The best approximations to the true wave…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Serge Droz , Eric Poisson

This article deals with the gravitational lensing (GL) of gravitational waves (GW). We compute the increase in the number of detected GW events due to GL. First, we check that geometrical optics is valid for the GW frequency range on which…

General Relativity and Quantum Cosmology · Physics 2009-11-10 M. Arnaud-Varvella , M. -C. Angonin , Ph. Tourrenc

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
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