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The main idea of this work: find the dependence of the differential length between two mirrors in the arm of interferometer on the values of suspension damping gains for the "input" and "end" test masses. Minimization of the differential length is an important task, because having minimal differential length means that the force you apply to mirrors forming a cavity (X-arm, Y-arm or some other cavity) is also minimal. |
(Edited by Andrey Rodionov on November 28 - 2007)
The Matlab algorithm for modeling the response of test masses to ground noise will be presented on this page.
The main idea of this work: find the dependence of the differential length between two mirrors in the arm of interferometer on the values of suspension damping gains for the "input" and "end" test masses. Minimization of the differential length is an important task, because having minimal differential length means that the force you apply to mirrors forming a cavity (X-arm, Y-arm or some other cavity) is also minimal.
I will add better explanations very soon, and I have already attached the pdf-file of my presentation at 40-m meeting, made on Wednesday Nov.28 - 2007.
attachment:Modelling_of_seismic_noise.pdf