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The thermal noise is expected to be one of the main limiting factors on the sensitivity of interferometric gravitational-wave detectors like LIGO and VIRGO. Thermal fluctuations of internal modes of the interferometer's test masses and of…

Instrumentation and Detectors · Physics 2007-05-23 Constantin Brif

Fluctuations in the local Newtonian gravitational field present a limit to high precision measurements, including searches for gravitational waves using laser interferometers. In this work, we present a model of this perturbing…

General Relativity and Quantum Cosmology · Physics 2013-05-21 Jennifer C. Driggers , Jan Harms , Rana X. Adhikari

Laser frequency noise is a dominant noise background for the detection of gravitational waves using long-baseline optical interferometry. Amelioration of this noise requires near simultaneous strain measurements on more than one…

Quantum Physics · Physics 2013-04-30 Peter W. Graham , Jason M. Hogan , Mark A. Kasevich , Surjeet Rajendran

Atom interferometers deployed in space are excellent tools for high precision measurements, navigation, or Earth observation. In particular, differential interferometric setups feature common-mode noise suppression and enable reliable…

We study the use of atom interferometers as detectors for gravitational waves in the mHz - Hz frequency band, which is complementary to planned optical interferometers, such as laser interferometer gravitational wave observatories (LIGOs)…

General Relativity and Quantum Cosmology · Physics 2011-06-02 Michael Hohensee , Shau-Yu Lan , Rachel Houtz , Cheong Chan , Brian Estey , Geena Kim , Pei-Chen Kuan , Holger Mueller

Dynamic atom gravimeters enable absolute gravity measurements on moving platforms. However, their performance is severely degraded due to the complex dynamic environment. This paper finds that the amplitude modulation noise (AMN) is a key…

We analyze the projected sensitivity of a laboratory-scale ytterbium atom interferometer to scalar, vector, and axion dark matter signals. A frequency ratio measurement between two transitions in $^{171}$Yb enables a search for variations…

Atomic Physics · Physics 2024-09-17 Yifan Zhou , Rowan Ranson , Michalis Panagiotou , Chris Overstreet

Mirror thermal noise is and will remain one of the main limitations to the sensitivity of gravitational wave detectors based on laser interferometers. We report about projected mirror thermal noise due to losses in the mirror coatings and…

General Relativity and Quantum Cosmology · Physics 2009-12-02 Janyce Franc , Nazario Morgado , Raffaele Flaminio , Ronny Nawrodt , Iain Martin , Liam Cunningham , Alan Cumming , Sheila Rowan , James Hough

Matter wave interferometers with large momentum transfers, irrespective of specific implementations, will face a universal dephasing due to relative accelerations between the interferometric mass and the associated apparatus. Here we…

General Relativity and Quantum Cosmology · Physics 2021-06-08 Marko Toroš , Thomas W. van de Kamp , Ryan J. Marshman , M. S. Kim , Anupam Mazumdar , Sougato Bose

We present a detailed analysis of the usefulness of ultracold atomic collisions for sensing the strength of an external magnetic field as well as its spatial gradient. The core idea of the sensor, which we recently proposed in K. Jachymski…

Quantum Physics · Physics 2018-06-11 Tomasz Wasak , Krzysztof Jachymski , Tommaso Calarco , Antonio Negretti

In this article we investigate the principle and properties of a vertical passive seismic noise attenuator conceived for ground based gravitational wave interferometers. This mechanical attenuator based on a particular geometry of…

General Relativity and Quantum Cosmology · Physics 2009-11-10 G. Cella , V. Sannibale , R. DeSalvo , S Márka , A. Takamori

Space-borne gravitational wave detections raise new questions for heliophysics: how the Sun-Terrestrial space environment affect gravitational wave detection, and to what extent? Space-borne gravitational wave detectors use laser…

Solar and Stellar Astrophysics · Physics 2025-09-23 Wei Su

Space-based gravitational wave detectors, such as the Laser Interferometer Space Antenna (LISA), use picometer-precision laser interferometry to detect gravitational waves at frequencies from 1 Hz down to below 0.1 mHz. Laser…

Instrumentation and Detectors · Physics 2025-02-04 Marcel Beck , Shreevathsa Chalathadka Subrahmanya , Oliver Gerberding

The AEI 10 m prototype interferometer facility is currently being constructed at the Albert Einstein Institute in Hannover, Germany. It aims to perform experiments for future gravitational wave detectors using advanced techniques.…

Noise measurement is a powerful tool to investigate many phenomena from laser characterization to quantum behavior of light. In this paper, we report on intensity noise measurements obtained when a laser beam is transmitted through a large…

KAGRA is the first km-scale gravitational wave detector to be constructed underground and employ cryogenics to cool down its test masses. While the underground location provides a quiet site with low seismic noise, the cooling…

Instrumentation and Detectors · Physics 2023-02-15 Rishabh Bajpai , Takayuki Tomaru , Toshikazu Suzuki , Kazuhiro Yamamoto , Takafumi Ushiba , Tohru Honda

The basic constituent of interferometric gravitational wave detectors -- the test mass to test mass interferometric link -- behaves as a differential dynamometer measuring effective differential forces, comprising an integrated measure of…

General Relativity and Quantum Cosmology · Physics 2015-03-24 Giuseppe Congedo

We present our the construction of an atom interferometer for inertial sensing in microgravity, as part of the I.C.E. (\textit{Interf\'{e}rom\'{e}trie Coh\'{e}rente pour l'Espace}) collaboration. On-board laser systems have been developed…

Low noise underground environments offer conditions allowing to assess ultimate performance of high sensitivity sensors such as accelerometers, gyrometers, seismometers... Such facilities are for instance ideal for observing the tiny…

We present a local measurement of gravity combining Bloch oscillations and atom interferometry. With a falling distance of 0.8 mm, we achieve a sensitivity of 2x10-7 g with an integration time of 300 s. No bias associated with the Bloch…

Atomic Physics · Physics 2015-05-30 Renée Charrière , Malo Cadoret , Nassim Zahzam , Yannick Bidel , Alexandre Bresson