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Noise Budget === Noise Budget ===

==== Simple BHD ====

==== BHD detection of a simple Michelson ====

==== BHD detection of the full 40m Interferometer ====

==== Requirements ====
1. Displacement noise of OMC/LMC mirrors
1. Scatter loss in mirrors
1. Cavity design: triangle, quad ring, quad zig-zag (reference the new OMC paper from Koj)
1. Laser amplitude / frequency noise including DC offsets in various other lock points and motions to simulate bilinear noise
1. Oscillator noise: AM / FM
1. Aux length noise: MICH/PRC/ SRC
1. Req. on offsets/asymmetries: arm finesse, arm reflectivity, mass imbalance of ETMs

Noise Budget

Simple BHD

BHD detection of a simple Michelson

BHD detection of the full 40m Interferometer

Requirements

1. Displacement noise of OMC/LMC mirrors 1. Scatter loss in mirrors 1. Cavity design: triangle, quad ring, quad zig-zag (reference the new OMC paper from Koj) 1. Laser amplitude / frequency noise including DC offsets in various other lock points and motions to simulate bilinear noise 1. Oscillator noise: AM / FM 1. Aux length noise: MICH/PRC/ SRC 1. Req. on offsets/asymmetries: arm finesse, arm reflectivity, mass imbalance of ETMs

Balanced Homodyne Detection (last edited 2020-04-29 17:41:39 by JonathanrichardsonATligoDOTorg)