Diff for "MC_model"

Differences between revisions 2 and 5 (spanning 3 versions)

Purpose:

To prepare a noise model of the MC and prepare an error budget for MC length fluctuations

Step 1. Collection of existing tools and models prepared by others.

List of previous related work and examples of noise models
- Rana's LLO MC model
  David Feldbaum
  Koji's ALS servo model

Step 2. Prepare a toy model of a generic feedback loop with two noise sources as a pedagogic exercise

Step 3. Make a model for the MC -> PSL feedback loop with various sources of noise

Step 4. Measure the MC loop noise

Step 5. Obtain the error budget plot.

Step 6. Include ASC noise from the WFS loops in the model

Step 7 Measure ASC noise in the instrument

Step 8 Improve the ASC servo filter shape to reduce the ASC noise injected into the MC loop.

-  ⇤ ← Revision 2 as of 2012-02-10 03:36:44 → 
  Size: 696
  Editor: SureshdoravariATligoDOTorg
  Comment:
+   ← Revision 5 as of 2012-02-10 04:48:33 → ⇥
  Size: 1020
  Editor: SureshdoravariATligoDOTorg
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 4:
-Step 1. Collect the existing tools and models prepared.
            List of previous related work
                Rana, David Feldbaum, Koji
Step 2. Prepare a toy model of a feedback loop with two noise sources
+Step 1. Collection of existing tools and models prepared by others.
            List of previous related work and examples of noise models
                [[https://nodus.ligo.caltech.edu:30889/svn/trunk/rana/mat/mc/ | Rana's LLO MC model]]

                [[target|David Feldbaum]]

                [[https://nodus.ligo.caltech.edu:30889/svn/trunk/docs/upgrade08/Green_Locking/Servo_modeling/091121/|Koji's ALS servo model]]

Step 2. Prepare a toy model of a generic feedback loop with two noise sources as a pedagogic exercise