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 * PhD thesis of A. Takamori for Low frequency seismic isolation[[attachment:Low_frequency_seismic_isolation_for_GWD_takamori.pdf|PDF]]  * PhD thesis of A. Takamori for Low frequency seismic isolation [[attachment:Low_frequency_seismic_isolation_for_GWD_takamori.pdf|PDF]]

 * OSEM calibration procedure: [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7727|PDF]]

MIF

Design

* KAGRA Main Interferometer Design Document PDF

VIS introduction

General introduction for vibration isolation

  • Thesis of M. Blom PDF : General introduction for modern VIS

  • K. Arai's master's thesis PDF : A very good introduction for Type-C style suspension (in Japanese)

Specific topics

  • Monolithic Geometric Anti-Spring Blade by G. Cella arXiv: Theory of GAS filter

  • Electronics Setup and testing LIGO by B. Shapiro (about medm screens, dataviewer, diaggui, foton, transfer functions) PDF

  • Quality factor PDF

  • Strip Tool manuallink

  • Wire-mass system considering violin modes PDF

  • Pendulum with finite mass system N. Mio PDF

  • Pendulum with moving support G. Gonzalez PendulumWithMovingSupport_G_Gonzalez.pdf

  • LVDT signal conditioning: PDF

  • DFT/FFT Transforms and Applications: Link

  • Diagnostics Test Software: Link

Others vibration isolation thesis

  • Modeling and simulation of seismic attenuation system (SAS) for Virgo PDF

KAGRA VIS documents

  • PhD thesis of T. Sekiguchi for Type-B suspension Link

  • PhD thesis of A. Takamori for Low frequency seismic isolation PDF

  • OSEM calibration procedure: PDF

KAGRA VIS Operations Manual

Lots of info on operating the suspensions, including interface software like MEDM, Simulink etc.

VIS Lectures (Enzo)

  • Lecture 1 PDF : VIS Suspensions and digital system.

  • Lecture 2 PDF : GAS filters and LVDTs.

  • Lecture 3 PDF : Concepts of DSP, TF interpretation and use of DTT.

KAGRA/Subgroups/VIS/Introduction (last edited 2018-08-24 11:13:53 by EnzoTapia)