Sensors and actuators for the advanced LIGO A upgrade

Piezo-deformable mirrors for active mode matching in advanced LIGO

The measured bandwidth of the actuator and driver electronics is 6.8 Hz. The scattering into higher-order modes is measured to be <0.2% over the nominal beam ...

Birmingham GW Experiments - Astrophysics & Space Research Group

STFC LIGO A+ upgrade. The enhanced capabilities afforded by A+ will be ... Sensors and actuators for the Advanced LIGO mirror suspensions. More. Asharp.

Seismic isolation and suspension systems for advanced LIGO

This stage supports the in-vacuum two-stage active isolation platform, which reduces vibration using force feedback from inertial sensor signals ...

Sensitivity and performance of the Advanced LIGO detectors in the ...

In this section upgrades to the alignment sensing and control (ASC) scheme are reviewed. Recent upgrades accommodate increased optical power, ...

Advanced LIGO two-stage twelve-axis vibration isolation and ...

They are equipped with relative sensors and actuators to damp the suspension resonances and to position the interferometer optics. Different ...

Project Description Advanced LIGO: Context and Overview

As noted above, LIGO is designed to evolve and to support improvements in gravitational wave detectors. A natural time for an upgrade to the instruments can be ...

Advanced LIGO

The Advanced LIGO detectors are the second generation of ... The shadow sensors are collocated with the suspension actuators and have a noise level of.

The Advanced LIGO photon calibrators - UTRGV

(Advanced) LIGO detectors to gravitational waves are systems based on radiation pressure and ... Goetz et al., “Precise calibration of LIGO test mass actuators ...

Quadruple Suspension Design for Advanced LIGO | NIST

... Advanced LIGO, the planned upgrade to LIGO, the US Laser Inte. ... sensors and actuators at the highest mass of the triple pendulum.

Quadruple suspension design for Advanced LIGO - MPG.PuRe

for the test masses for Advanced LIGO, the planned upgrade to LIGO, the ... sensors and actuators at the highest mass of the triple pendulum.

The Advanced LIGO Detectors in the Era of First Discoveries

Following a major upgrade, the two advanced detectors of the Laser Interferometer Gravitational-wave. Observatory (LIGO) held their first ...

Advanced LIGO two-stage twelve-axis vibration isolation and ...

This system was a two-stage platform equipped with commercial inertial sensors. Magnetic actuators were used for the drive. The rapid prototype ...

The advanced LIGO input optics

major upgrade of Initial LIGO. In 2011 the Initial LIGO detectors were ... Vecchio, “Sensors and actuators for the advanced LIGO mirror ...

Virgo interferometer - Wikipedia

In 2015, the first observation of gravitational waves was made by the two LIGO detectors, while Virgo was still being upgraded. It resumed observations in early ...

Sensors and actuators for the Advanced LIGO mirror suspensions

The overall system consists of the BOSEMs (a displacement sensor with an integrated electromagnetic actuator), the satellite boxes (the BOSEM readout and ...

Advanced LIGO Laser Systems for O3 and Future Observation Runs

Journal of Sensor and Actuator Networks (JSAN), Journal of the Oman ... Further upgrades of aLIGO and future detectors will most likely ...

Advanced LIGO Suspensions PowerPoint Presentation, free download

iLIGO to aLIGO Seismic Isolation Sensors and Actuators: BOSEMs and AOSEMs Suspension Overview Signals and Control SUS Testing What can you do?

The advanced LIGO detectors in the era of first discoveries

Following a major upgrade, the two advanced detectors of the Laser Interferometer Gravitational-wave. Observatory (LIGO) held their first ...

Phil Willems, Rana Adhikari, and Tobin Fricke - LIGO - Caltech

The planned upgrade of the LIGO interferometers from Initial LIGO to Enhanced LIGO ... wave detectors based on the current LIGO detectors, called Advanced LIGO, ...

Advanced LIGO

The Advanced LIGO project will completely upgrade the three US gravitational wave interferometers, bringing these instruments to sensitivities.