aLIGO DARM Signal Chain (Calibration Subway Map)

Document #:

LIGO-G1501518-v16

Document type:

G - Presentations (eg Graphics)

Abstract:

This is a schematic of the DARM signal chain

Files in Document:

• darmschematics-v16.pdf (258.5 kB)

Other Files:

• darmschematics-v16.graffle (1.4 MB)

Topics:

• Calibration

Authors:

• Sudarshan Karki
• Richard Savage
• Jeffrey Kissel
• Evan Goetz

Notes and Changes:

Significant update for O3. Replicating more of the GDS pipeline into the front end. Since we now track the actuators separately, kappa_PU is now split into kappa_P and kappa_U. Added some EPICS calculations and updated measurement computations

Related Documents:

• LIGO-G1601472: Calibration Measurement / DARM Loop Time Delay (Timing) Diagrams

Associated with Events:

NIST Workshop 2019 held on 15 Mar 2019 in NIST Boulder Colorado USA