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ADVANCED LIGO Models of the Advanced LIGO - LIGO - Caltech - ligo caltech

ADVANCED LIGO Models of the Advanced LIGO - LIGO - Caltech - ligo caltech 2025

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The document outlines the models of Advanced LIGO suspensions developed in Mathematica, detailing their physical assumptions, internal structure, and usage. It provides a comprehensive toolkit overview for modeling mass-wire-spring systems, including methods for calculating normal modes, potential energy matrices, and damping effects. The document also describes installation procedures, exploring supplied cases, and creating new model variations. Key features include detailed descriptions of triple and quad pendulum models used in gravitational wave detection, along with instructions for utilizing various utility functions and plotting commands.

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How many ligos are there?

The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a facility dedicated to the detection of cosmic gravitational waves and the measurement of these waves for scientific research. It consists of two widely separated installations within the United States, operated in unison as a single observatory.

Where is LIGO in the USA?

NSF LIGO comprises two widely-separated interferometers within the United Statesone in Hanford, Washington and the other in Livingston, Louisianaoperated in unison to detect gravitational waves.

Why are there two LIGO facilities?

Why did you build LIGO in Washington and Louisiana? Since NSF LIGO was planned as a 2-site observatory, we had to find two locations about 3000km apart that shared many characteristics. Their separation alone limited the possible places where the interferometers could be located in the continental United States.

How much does LIGO cost?

LIGO operation and maintenance is entirely supported by NSF; NSF is requesting $45.0 million for FY 2023. Current annual operating costs are $45.0 million.

Where are the LIGO observatories located?

LIGO operates two gravitational wave observatories in unison: the LIGO Livingston Observatory ( 303346.42N 904627.27W) in Livingston, Louisiana, and the LIGO Hanford Observatory, on the DOE Hanford Site ( 462718.52N 1192427.56W), located near Richland, Washington.

Where are the two LIGO detectors located in the United States?

NSF LIGO, one of the worlds most sophisticated scientific observatories, operates two U.S.-based interferometers one in Hanford, Washington and the other in Livingston, Louisiana working in unison to detect gravitational waves.

What is Caltech LIGO?

The U.S. National Science Foundation Laser Interferometer Gravitational-wave Observatory (NSF LIGO) is a research facility designed to sense the space-time vibrations of gravitational waves from the depths of space with the aid of a laser interferometer.

ADVANCED LIGO Models of the Advanced LIGO - LIGO - Caltech - ligo caltech 2025

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