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Experiments Relevant To The Development Of Laser Interferometric Gravitational Wave Detectors
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Book Synopsis Experiments Relevant to the Development of Laser Interferometric Gravitational Wave Detectors by : Norman Lewis Mackenzie
Download or read book Experiments Relevant to the Development of Laser Interferometric Gravitational Wave Detectors written by Norman Lewis Mackenzie and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals Of Interferometric Gravitational Wave Detectors (Second Edition) by : Peter R Saulson
Download or read book Fundamentals Of Interferometric Gravitational Wave Detectors (Second Edition) written by Peter R Saulson and published by World Scientific. This book was released on 2017-02-16 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'The content of the Saulson’s book remains valid and offers a versatile introduction to gravitational wave astronomy. The book is appropriate for undergraduate students and can be read by graduate students and researchers who want to be involved in either the theoretical or the experimental traits of the study of gravitational waves.'Contemporary PhysicsLIGO's recent discovery of gravitational waves was headline news around the world. Many people will want to understand more about what a gravitational wave is, how LIGO works, and how LIGO functions as a detector of gravitational waves.This book aims to communicate the basic logic of interferometric gravitational wave detectors to students who are new to the field. It assumes that the reader has a basic knowledge of physics, but no special familiarity with gravitational waves, with general relativity, or with the special techniques of experimental physics. All of the necessary ideas are developed in the book.The first edition was published in 1994. Since the book is aimed at explaining the physical ideas behind the design of LIGO, it stands the test of time. For the second edition, an Epilogue has been added; it brings the treatment of technical details up to date, and provides references that would allow a student to become proficient with today's designs.
Book Synopsis Experimental Investigations Relevant to the Development of a Laser Interferometric Gravitational Wave Detector by : Euan Morrison
Download or read book Experimental Investigations Relevant to the Development of a Laser Interferometric Gravitational Wave Detector written by Euan Morrison and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experiments Towards the Development of a Laser Suitable for an Interferometric Gravitational Wave Detector by : Allan Carmichael
Download or read book Experiments Towards the Development of a Laser Suitable for an Interferometric Gravitational Wave Detector written by Allan Carmichael and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Interferometers and the Search for Gravitational Waves by : Massimo Bassan
Download or read book Advanced Interferometers and the Search for Gravitational Waves written by Massimo Bassan and published by Springer. This book was released on 2014-07-08 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The search for gravitational radiation with optical interferometers is gaining momentum worldwide. Beside the VIRGO and GEO gravitational wave observatories in Europe and the two LIGOs in the United States, which have operated successfully during the past decade, further observatories are being completed (KAGRA in Japan) or planned (ILIGO in India). The sensitivity of the current observatories, although spectacular, has not allowed direct discovery of gravitational waves. The advanced detectors (Advanced LIGO and Advanced Virgo) at present in the development phase will improve sensitivity by a factor of 10, probing the universe up to 200 Mpc for signal from inspiraling binary compact stars. This book covers all experimental aspects of the search for gravitational radiation with optical interferometers. Every facet of the technological development underlying the evolution of advanced interferometers is thoroughly described, from configuration to optics and coatings and from thermal compensation to suspensions and controls. All key ingredients of an advanced detector are covered, including the solutions implemented in first-generation detectors, their limitations, and how to overcome them. Each issue is addressed with special reference to the solution adopted for Advanced VIRGO but constant attention is also paid to other strategies, in particular those chosen for Advanced LIGO.
Book Synopsis Development of Techniques for Quantum-enhanced Laser-interferometric Gravitational-wave Detectors by : Keisuke Goda
Download or read book Development of Techniques for Quantum-enhanced Laser-interferometric Gravitational-wave Detectors written by Keisuke Goda and published by . This book was released on 2007 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed theoretical and experimental study of techniques necessary for quantum-enhanced laser- interferometric gravitational wave (GW) detectors was carried out. The basic theory of GWs and laser-interferometric GW detectors, quantum noise in GW detectors, the theory of squeezed states including generation, degradation, detection, and control of squeezed states using sub-threshold optical parametric oscillators (OPOs) and homodyne detectors, experimental characterization of these techniques (using periodically poled KTiOPO4 in an OPO at 1064 nm for the first time), key requirements for quantum-enhanced GW detectors, and the propagation of a squeezed state in a complex interferometer and its interaction with the interferometer field were studied. Finally, the experimental demonstration of quantum-enhancement in a prototype GW detector was performed. By injecting a squeezed vacuum field of 9.3 dB (inferred) or 7.4 ± 0.1 dB (measured) at frequencies above 3 kHz and a cutoff frequency for squeezing at 700 Hz into the antisymmetric port of the prototype GW detector in a signal-recycled Michelson interferometer configuration, the shot noise floor of the detector was reduced broadband from 7.0 x 10-7 m/viH- to 5.0 x 10-17 m/V/H while the strength of a simulated GW signal was retained, resulting in a 40% increase in signal-to-noise ratio or detector sensitivity, which is equivalent to a factor of 1.43 = 2.7 increase in GW detection rate for isotropically distributed GW sources that are confined to the frequency band in which squeezing was effective. This is the first implementation of quantum-enhancement in a prototype GW detector with suspended optics and readout and control schemes similar to those used in LIGO and Advanced LIGO. It is, therefore, a critical step toward implementation of quantum-enhancement in long baseline GW detectors.
Book Synopsis Quantum Enhancement of a 4km Laser Interferometer Gravitational-wave Detector by : Sheon Shang Yaw Chua
Download or read book Quantum Enhancement of a 4km Laser Interferometer Gravitational-wave Detector written by Sheon Shang Yaw Chua and published by . This book was released on 2013 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ability to directly detect gravitational waves will open a completely new branch of astronomy to view the Universe, one that is inaccessible to electromagnetic-based astronomy. First generation ground-based interferometric gravitational-wave detectors have achieved strain sensitivities of order one part in ten to the twenty-one, at 100 Hz detection frequency. A new generation of detectors are under construction, designed to improve on the sensitivity of the first-generation detectors by a factor of 10. The quantum nature of light will broadly limit the sensitivity of these new instruments. This quantum noise will originate from the quantum vacuum fluctuations that enter the unused port of the interferometer. One of the most promising options for reducing the quantum noise impact and further increasing the sensitivity is applying quantum squeezed vacuum states. These squeezed states have lower noise in one quadrature than the vacuum state. By replacing the quantum vacuum fluctuations entering the interferometer with squeezed vacuum states, the quantum noise impact is reduced. This thesis firstly details the development of a squeezed light source that produces squeezed states applicable for enhancing interferometric gravitational-wave detectors. A doubly-resonant, travelling-wave bow-tie cavity squeezed light source is presented. For the first time, greater than 10 dB of quantum noise suppression across the gravitational-wave detection band is directly observed, and 11.6 dB of quantum noise suppression is observed above 200 Hz. This squeezing cavity design also has benefits with intrinsic isolation to backscattered light. Experiments that quantify this isolation are reported. The properties affecting squeezing magnitude and low-frequency squeezing measurement are discussed. In addition, a modified squeezing-ellipse-phase control technique for squeezed vacuum states is presented. This thesis secondly presents results from the LIGO Squeezed Light Injection Experiment, undertaken to test squeezed light injection into a 4 km interferometric gravitational-wave detector. The results of the experiment show the first measurement of squeezing-enhancement in a 4 km gravitational-wave detector, with 2.15 dB measured above 250 Hz. This represents the best sensitivity to gravitational waves yet achieved at these frequencies by any single gravitational-wave detector to date. An unknown area was whether the addition of a squeezer would introduce noise couplings that degrade the crucial low frequency sensitivity. The results demonstrate that injected squeezed states are compatible with low frequency gravitational-wave measurement. The characterisation of squeezing-injection optical losses and fluctuations of the squeezing angle are also reported. The knowledge and processes gained, from both the squeezed light source development work and the LIGO Squeezed Light Injection Experiment, will inform the design, planning and implementation of squeezed states in future gravitational-wave detectors.
Book Synopsis Gravitational Waves: Sources And Detectors - Proceedings Of The International Conference by : Francesco Fidecaro
Download or read book Gravitational Waves: Sources And Detectors - Proceedings Of The International Conference written by Francesco Fidecaro and published by World Scientific. This book was released on 1997-04-19 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: The construction of large interferometers for gravitational wave detection is now in progress in Europe and in the United States. To stimulate theoretical and experimental work a conference was organised in Cascina (Italy), where the Virgo interferometer is being built. Review talks discussed the expected signals, covering general relativity and astrophysical aspects (binary coalescence, supernovae, neutron stars, cosmological background). Experimental talks gave the current status of the running experiments (resonant bars, prototype interferometers, satellite tracking) and of the planned ones (large interferometers, ultra cryogenic resonating bars and spheres, space missions).
Book Synopsis The Detection of Gravitational Waves by : David G. Blair
Download or read book The Detection of Gravitational Waves written by David G. Blair and published by Cambridge University Press. This book was released on 2005-10-13 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the concepts of gravitational waves within the context of general relativity. The sources of gravitational radiation for which there is direct observational evidence and those of a more speculative nature are described. He then gives a general introduction to the methods of detection. In the subsequent chapters he has drawn together the leading scientists in the field to give a comprehensive practical and theoretical account of the physics and technology of gravitational wave detection.
Book Synopsis Advanced Interferometric Gravitational-wave Detectors (In 2 Volumes) by : Grote Hartmut
Download or read book Advanced Interferometric Gravitational-wave Detectors (In 2 Volumes) written by Grote Hartmut and published by World Scientific. This book was released on 2019-03-25 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt: The detection of gravitational waves in 2015 has been hailed a scientific breakthrough and one of the most significant scientific discoveries of the 21st century. Gravitational-wave physics and astronomy are emerging as a new frontier in understanding the universe.Advanced Interferometric Gravitational-Wave Detectors brings together many of the world's top experts to deliver an authoritative and in-depth treatment on current and future detectors. Volume I is devoted to the essentials of gravitational-wave detectors, presenting the physical principles behind large-scale precision interferometry, the physics of the underlying noise sources that limit interferometer sensitivity, and an explanation of the key enabling technologies that are used in the detectors. Volume II provides an in-depth look at the Advanced LIGO and Advanced Virgo interferometers, as well as examining future interferometric detector concepts. This two-volume set will provide students and researchers the comprehensive background needed to understand gravitational-wave detectors.
Book Synopsis Development of Optical Techniques for Space-borne Laser Interferometric Gravitational Wave Detectors by : Paul William McNamara
Download or read book Development of Optical Techniques for Space-borne Laser Interferometric Gravitational Wave Detectors written by Paul William McNamara and published by . This book was released on 1998 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gravitational Wave Experiments - Proceedings Of The First Edoardo Amaldi Conference by : Eugenio Coccia
Download or read book Gravitational Wave Experiments - Proceedings Of The First Edoardo Amaldi Conference written by Eugenio Coccia and published by World Scientific. This book was released on 1995-07-26 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gravitational waves were predicted by Einstein over 75 years ago. Their detection is one of the great challenges of contemporary experimental physics. This Conference intended to honour Edoardo Amaldi for his role in this research and brought together scientists engaged all over the world in gravitational wave experiments with resonant mass, interferometers and space detectors. The book gives a broad view of the detectors presently in operation and of the new generation of interferometric and resonant mass detectors now being built or under design. The book also contains lectures on neutrino telescopes and γ ray bursts observations, underlying the role of coincidence experiments among different detectors in opening new windows on the Universe.
Book Synopsis High-power Operation of Interferometric Gravitational-wave Detectors by : Aaron Buikema
Download or read book High-power Operation of Interferometric Gravitational-wave Detectors written by Aaron Buikema and published by . This book was released on 2020 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the conclusion of the first two observing runs of the Advanced LIGO detectors, which saw the first direct detection of gravitational waves, we are firmly in the era of gravitational-wave astronomy. To reach the highest sensitivities, current interferometric gravitational-wave detectors are designed for hundreds of kilowatts of circulating optical power. At these high circulating powers, the sensitivity of the detectors to gravitational waves will be limited by the quantum properties of the light: shot noise at frequencies above ~ 100 Hz, and quantum radiation pressure noise at lower frequencies. To reach the high powers necessary for achieving the quantum noise limits imposed by the light, it is essential to solve the control problems and understand the additional noise introduced by high power operation. Additionally, development of high-power laser sources that reach the stringent noise and reliability requirements is crucial. This work comprises three experiments aimed at reaching the radiation-pressure-dominated regime of interferometric gravitational-wave detectors. The first part presents results from a high-power, meter-long Fabry-Prot Michelson interferometer to probe classical and quantum radiation pressure effects using a gram-scale mechanical oscillator. The second part is an exploration of the effects of electric fields and charging of test masses on the sensitivity of the LIGO detectors, which may limit the ability to observe radiation-pressure effects. Finally, we describe the development and characterization of a high-power, narrow-linewidth ytterbium-doped fiber amplifier for use in future gravitational-wave detectors.
Book Synopsis Quantum Enhancement of a 4 Km Laser Interferometer Gravitational-Wave Detector by : Sheon S. Y. Chua
Download or read book Quantum Enhancement of a 4 Km Laser Interferometer Gravitational-Wave Detector written by Sheon S. Y. Chua and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The work in this thesis was a part of the experiment of squeezed light injection into the LIGO interferometer. The work first discusses the detailed design of the squeezed light source which would be used for the experiment. The specific design is the doubly-resonant, traveling-wave bow-tie cavity squeezed light source with a new modified coherent sideband locking technique. The thesis describes the properties affecting the squeezing magnitudes and offers solutions which improve the gain. The first part also includes the detailed modeling of the back-scattering noise of a traveling Optical Parametric Oscillator (OPO). In the second part, the thesis discusses the LIGO Squeezed Light Injection Experiment, undertaken to test squeezed light injection into a 4km interferometric gravitational wave detector. The results show the first ever measurement of squeezing enhancement in a full-scale suspended gravitational wave interferometer with Fabry-Perot arms. Further, it showed that the presence of a squeezed-light source added no additional noise in the low frequency band. The result was the best sensitivity achieved by any gravitational wave detector. The thesis is very well organized with the adequate theoretical background including basics of Quantum Optics, Quantum noise pertaining to gravitational wave detectors in various configurations, along with extensive referencing necessary for the experimental set-up. For any non-experimental scientist, this introduction is a very useful and enjoyable reading. The author is the winner of the 2013 GWIC Theses Prize.
Book Synopsis Proceedings of the International Summer School on Experimental Physics of Gravitational Waves, Urbino, Italy, September 6-18, 1999 by : M. Barone
Download or read book Proceedings of the International Summer School on Experimental Physics of Gravitational Waves, Urbino, Italy, September 6-18, 1999 written by M. Barone and published by World Scientific. This book was released on 2000 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text introduces needed theoretical instruments and offers an up-to-date discussion on fundamental physics as well as the experimental tools used and developed for the construction and exploitation of gravitational wave antennae (resonant bars, ground-based and space interferometric detectors). In addition, problems in the fields of optics, signal processing, control and feedback in active mechanical filtering are deeply analyzed, with reference to solutions adopted in the main detectors.
Book Synopsis Some Techniques Relevant to the Development of a Long Baseline Gravitational Wave Detector Using Laser Interferometry by : John B. Mangan
Download or read book Some Techniques Relevant to the Development of a Long Baseline Gravitational Wave Detector Using Laser Interferometry written by John B. Mangan and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Gravitational-Wave Data by : Piotr Jaranowski
Download or read book Analysis of Gravitational-Wave Data written by Piotr Jaranowski and published by Cambridge University Press. This book was released on 2009-08-27 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introducing gravitational-wave data analysis, this book is an ideal starting point for researchers entering the field, and researchers currently analyzing data. Detailed derivations of the basic formulae enable readers to apply general statistical concepts to the analysis of gravitational-wave signals. It also discusses new ideas on devising the efficient algorithms.
