'Violin mode' presentation slideshows

Kazuhiro Yamamoto Institute for Cosmic Ray Research, the University of Tokyo

635 views • 55 slides

aLIGO Monolithic stage

aLIGO Monolithic stage. Giles Hammond, University of Glasgow for the Advanced LIGO Suspensions Team. aLIGO/aVirgo Workshop Pisa, Italy 23 rd -24 th February 2012. LIGO-G1200109-v1. Overview. Overview of the Monolithic suspension design for Advanced LIGO

245 views • 24 slides

Suspension Thermal Noise of a Non-Uniform Fiber

JGW-G1200859. Suspension Thermal Noise of a Non-Uniform Fiber. 2012/02/04 KAGRA F2F MEETING. Univ. Tokyo, ICRR M2, Takanori Sekiguchi. Sapphire Fibers for KAGRA. Short and thick sapphire fibers to transfer enough amount of heat (~1 W). Cryogenic Payload for KAGRA.

231 views • 23 slides

Test Mass Suspensions for AIGO

AIGO. Test Mass Suspensions for AIGO. Ben Lee. The University of Western Australia. Introduction. Thermal noise in interferometers. Reducing the thermal noise: what we know so far. Suspensions for AIGO. Removable modular suspensions. Reducing violin mode Q factors. 10 -20. 10 -22.

329 views • 16 slides

A Test for Nonlinear Couplings: Results from S1

A Test for Nonlinear Couplings: Results from S1. Tiffany Summerscales Penn State University. Coupling in LIGO data. Noise may couple to signal linearly. Slope = linear coupling. Coupling in LIGO data. Or non-linearly: e.g., hysteresis. Gain =. : nonlinearity parameter.

192 views • 10 slides