LIGO Document T1000226-v2

Marginally stable cavity simulation : FFT vs Modal Model

Document #:
LIGO-T1000226-v2
Document type:
T - Technical notes
Other Versions:
LIGO-T1000226-v1
26 Apr 2010, 06:33
Abstract:
The sideband field resonating in a marginally stable cavity with thermal deformation was calculated using FFT and modal model, and a large discrepancy was observed. This document explains the limitation of the use of modal model when the mode mismatch is not good.
Authors:
Notes and Changes:
Result using Hankel Transform is added

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