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[PDF] Top 20 Experiments with a laser interferometric gravitational wave antenna

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Experiments with a laser interferometric gravitational wave antenna

Experiments with a laser interferometric gravitational wave antenna

... In this appendix we present a heuristic explanation of the modulation technique developed by Drever et al: [60] for determining the relative phase or frequency error betwee[r] ... See full document

185

Homodyne detection for laser-interferometric gravitational wave detectors

Homodyne detection for laser-interferometric gravitational wave detectors

... Any theory of gravity that avoids instantaneous action at a distance must feature some kind of gravitational waves. Even Newtonian gravity can be modified to account for propa- gation delays from massive bodies ... See full document

109

Enhancing the sensitivity of future laser-interferometric gravitational wave detectors

Enhancing the sensitivity of future laser-interferometric gravitational wave detectors

... classical laser input initially increases interferometer sensitivity, eventually the Michelson interferometer topology employed in existing detectors reaches the standard quantum limit preventing further ... See full document

245

Results of the first coincident observations by two laser-interferometric gravitational wave detectors

Results of the first coincident observations by two laser-interferometric gravitational wave detectors

... similar to the corresponding curve for the UG detector. High-pass and low-pass (anti- aliasing) filters, with corner frequencies of 320 Hz and 4 kHz respectively, were applied to the data before it was recorded. Their ... See full document

10

Mitigating Noise in Interferometric Gravitational Wave Detectors

Mitigating Noise in Interferometric Gravitational Wave Detectors

... 173 Figure 11.10: Test cavity mode identification. The red lines indicate modes predicted by the FEA model shown in Fig. 11.9. Finally, with the slight reduction in the high-frequency noise, it became clear that there ... See full document

235

Gravitational-Wave Science with the Laser Interferometer Gravitational-Wave Observatory

Gravitational-Wave Science with the Laser Interferometer Gravitational-Wave Observatory

... the gravitational-wave science workflow after calibrating the data is searching the data for gravitational-wave ...of gravitational waves or set new upper limits on the rate of ... See full document

139

Mirror thermal noise in interferometric gravitational wave detectors

Mirror thermal noise in interferometric gravitational wave detectors

... several experiments con- ducted to understand this theory. Experiments to measure the thermal expansion of mirror substrates and coatings use the pho- tothermal effect in a cross-polarized Fabry-Perot ... See full document

11

Length Sensing and Control of a Prototype Advanced Interferometric Gravitational Wave Detector

Length Sensing and Control of a Prototype Advanced Interferometric Gravitational Wave Detector

... the antenna acceptance to provide direction discrimination, in theory the PSF should not vary with right ascension of the source, although it will vary with ...the gravitational waves, which limits the ... See full document

235

Squeezed light sources for current and future interferometric gravitational-wave detectors

Squeezed light sources for current and future interferometric gravitational-wave detectors

... second laser, reducing cost and control loop ...auxiliary laser is replaced with two AOMs, which up-shift and down-shift the frequency of a portion of the main laser ...squeezing experiments ... See full document

182

Invited Article : CO2 laser production of fused silica fibers for use in interferometric gravitational wave detector mirror suspensions

Invited Article : CO2 laser production of fused silica fibers for use in interferometric gravitational wave detector mirror suspensions

... the laser and not on ...cident laser light, and as such is not a suitable method for producing fibers of several hundred microns ...asymmetric laser heating arrangement to produce an elliptical ... See full document

9

Brownian Thermal Noise in Interferometric Gravitational Wave Detectors and Single Photon Optomechanics

Brownian Thermal Noise in Interferometric Gravitational Wave Detectors and Single Photon Optomechanics

... detect gravitational waves started in the 1960s when Joseph Weber con- structed resonant bars and attempted to read out the excitations of the bars by gravitational-wave bursts ...scale, laser ... See full document

138

When light gets pushy: radiation pressure effects in interferometric gravitational wave detectors

When light gets pushy: radiation pressure effects in interferometric gravitational wave detectors

... site selection and suspension requirements, and optical design plans for ET. The optical design, like the current generation of detectors, would be based on dual-recycled Michelson interferometers with Fabry-Perot arm ... See full document

189

Development and testing of the gravitational wave antenna MiniGRAIL in its full-featured configuration

Development and testing of the gravitational wave antenna MiniGRAIL in its full-featured configuration

... The experiments to measure the effective temperature of shunt resistors as a func- tion of the dissipated power and cooling fin size were performed in a dilution a re- frigerator in ... See full document

132

A source of illumination for low-noise 'Violin-Mode' shadow sensors, intended for use in interferometric gravitational wave detectors

A source of illumination for low-noise 'Violin-Mode' shadow sensors, intended for use in interferometric gravitational wave detectors

... the gravitational wave ...NIR Laser-diodes as the sources of illumination, highlighted the need to avoid fringing effects at the borders of the fibres’ shadows, which otherwise could compromised the ... See full document

16

Gravitational Wave (GW) Classification, Space GW Detection Sensitivities and AMIGO (Astrodynamical Middle-frequency Interferometric GW Observatory)

Gravitational Wave (GW) Classification, Space GW Detection Sensitivities and AMIGO (Astrodynamical Middle-frequency Interferometric GW Observatory)

... active laser links, between three identical spacecraft in a triangular formation separated by ...heterodyne laser interferometers measure with pm Hz 1/2 sensitivity in both directions along each arm, using ... See full document

10

Gravitational wave astronomy and cosmology

Gravitational wave astronomy and cosmology

... the Laser Interferometer Space ...phase-locked laser transponders with picometer accuracy, LISA would have achieved sufficient sensitivity to measure a rich spectrum of sources in this band over a multiyear ... See full document

6

The birth of the gravitational-wave astronomy

The birth of the gravitational-wave astronomy

... mechanical experiments, exemplified by the work of Cavendish, Eotvos, Dicke, ...on gravitational waves there are masses isolated from the external noise, in conditions as similar to the ones of ideal bodies ... See full document

8

Advanced technologies for future ground-based, laser-interferometric gravitational wave detectors

Advanced technologies for future ground-based, laser-interferometric gravitational wave detectors

... coatings [93]. These dopants at the level of 25% have been shown to lower the mechanical loss by approximately 40%. There has also been significant progress in understanding the link be[r] ... See full document

37

Quantum correlation measurements in interferometric gravitational wave detectors

Quantum correlation measurements in interferometric gravitational wave detectors

... the interferometric gravitational wave detectors, such as the Advanced Laser Interferometer Gravitational wave Observatory (LIGO), is limited by quantum shot noise, quantum ... See full document

13

A 'Violin-Mode' shadow sensor for interferometric gravitational wave detectors

A 'Violin-Mode' shadow sensor for interferometric gravitational wave detectors

... by a system of sensors and actuators, intended to compensate for drifts in, and excitations of, the suspension [6]. The lateral eigenmodes, or ‘Violin-Modes,’ of the vertically orientated silica suspension fibres are ... See full document

12

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