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Satellite geodesy uses the measurement of the motion of one or more satellites to infer precise information about the Earth's gravitational field. In this work, we consider the achievable precision limits on such measurements by examining…

We report long-term laser frequency stabilization using only the target laser and a pair of 5 m fiber interferometers, one as a frequency reference and the second as a sensitive thermometer to stabilize the frequency reference. When used to…

Instrumentation and Detectors · Physics 2015-09-10 Jia Kong , Vito Giovanni Lucivero , Ricardo Jimenez-Martinez , Morgan W. Mitchell

Space-borne gravitational wave detectors, such as the proposed Laser Interferometer Space Antenna, are expected to observe black hole coalescences to high redshift and with large signal-to-noise ratios, rendering their gravitational waves…

General Relativity and Quantum Cosmology · Physics 2010-04-29 Nicolas Yunes , Frans Pretorius , David Spergel

Test-mass thermal noise is a limiting noise source for current and next-generation ground-based gravitational-wave observatories. Uniform-intensity higher-order laser beams, including Laguerre-Gaussian (LG) and Hermite-Gaussian (HG) modes,…

Instrumentation and Methods for Astrophysics · Physics 2026-05-12 Liu Tao , Yuhang Zhao , Zong-Hong Zhu , Paul Fulda

The derivation of the response function of an interferometric gravitational wave detector is a paradigmatic calculation in the field of gravitational wave detection. Surprisingly, the standard derivation of the response wave detectors makes…

General Relativity and Quantum Cosmology · Physics 2010-04-21 Lee Samuel Finn

Tiny vibrations of mechanical structures are the main limiting cause in a number of high sensitivity measurement apparatus, chief among them the most sensitive displacement apparatus on earth: gravitational wave interferometers. Such…

Instrumentation and Detectors · Physics 2018-07-11 Igor Neri , Miquel López-Suárez , Luca Gammaitoni

In the baseline design for advanced LIGO interferometers, the most serious noise source is tiny, dynamically fluctuating bumps and valleys on the faces of the arm-cavity mirrors, caused by random flow of heat in the mirrors' sapphire…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Erika D'Ambrosio , Richard O'Shaughnessy , Sergey Strigin , Kip S. Thorne , Sergey Vyatchanin

We apply TDI, unfolding the general triangular configuration, to the special case of a linear array of three spacecraft. We show that such an array ("SyZyGy") has, compared with an equilateral triangle GW detector of the same scale,…

General Relativity and Quantum Cosmology · Physics 2009-11-10 F. B. Estabrook , J. W. Armstrong , Massimo Tinto , William Folkner

An accurate measurement of the bunching of photons in the fluorescent emission from an ultracold ensemble of thermal 87Rb atoms in a steady-state magneto-optical trap is presented. Time-delayed-intensity-interferometry (TDII) performed with…

Atomic Physics · Physics 2015-02-24 Muhammed Shafi K. , Deepak Pandey , Buti Suryabrahmam , B. S. Girish , Hema Ramachandran

Balanced homodyne interferometry is a well-known detection technique that allows for sensitive characterization of light fields. Conventionally a homodyne interferometer is operated by locking the relative phase of a reference beam to the…

We report the frequency stabilization of an erbium-doped fiber distributed-feedback laser using an all-fiber based Michelson interferometer of large arm imbalance. The interferometer uses a 1 km SMF-28 optical fiber spool and an acousto…

Instrumentation and Detectors · Physics 2015-05-13 Fabien Kéfélian , Haifeng Jiang , Pierre Lemonde , Giorgio Santarelli

Accurate thermal modeling of Terminal Test Masses (TTMs) is crucial for optimizing the sensitivity of gravitational wave interferometers like Virgo. In fact, in such gravitational wave detectors even minimal laser power absorption can…

We investigate experimentally a cascade of temperature-compensated unequal-path interferometers that can be used to measure frequency states in a high-dimensional quantum distribution system. In particular, we demonstrate that…

Quantum Physics · Physics 2017-04-26 Nurul T. Islam , Andres Aragoneses , A. Lezama , Jungsang Kim , Daniel J. Gauthier

This paper is the third part of a trilogy dealing with the principles, performance and limitations of what I named "Telescope-Interferometers" (TIs). The basic idea consists in transforming one telescope into a Wavefront Error (WFE) sensing…

Optics · Physics 2011-05-17 Francois Henault

We analyze the trajectories of three geostationary satellites forming the GEOstationary GRAvitational Wave Interferometer (GEOGRAWI)~\cite{tinto}, a space-based laser interferometer mission aiming to detect and study gravitational radiation…

General Relativity and Quantum Cosmology · Physics 2015-09-23 Massimo Tinto , Jose C. N. de Araujo , Helio K. Kuga , Marcio E. S. Alves , Odylio D. Aguiar

Radio interferometers are phased arrays producing high-resolution images from the covariance matrix of measurements. Calibration of such instruments is necessary and is a critical task. This is how the estimation of instrumental errors is…

Instrumentation and Methods for Astrophysics · Physics 2023-09-26 Yassine Mhiri , Mohammed Nabil El Korso , Arnaud Breloy , Pascal Larzabal

The direct observation of gravitational waves will provide a unique tool for probing the dynamical properties of highly compact astrophysical objects, mapping ultra-relativistic regions of space-time, and testing Einstein's general theory…

General Relativity and Quantum Cosmology · Physics 2011-01-17 Massimo Tinto , Márcio Eduardo da Silva Alves

In order for telescopes to obtain good and precise images they need to see through atmospheric turbulence. To accomplish this and compensate for atmospheric turbulence we use Adaptive Optics technologies. In this thesis we analyze the…

Instrumentation and Methods for Astrophysics · Physics 2023-10-13 Cesar Laguna

Space-based interferometric gravitational wave instruments such as the ESA/NASA Laser Interferometer Space Antenna (LISA) observe gravitational waves by measuring changes in the light travel time between widely-separated spacecraft. One…

Instrumentation and Methods for Astrophysics · Physics 2021-09-08 Oliver Jennrich , Nora Lutzgendorf , James Ira Thorpe , Jacob Slutsky , Curt Cutler

We experimentally demonstrate a novel interferometric architecture for next-generation gravity missions, featuring a laser ranging interferometer (LRI) that enables monoaxial transmission and reception of laser beams between two optical…

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