Hartmann sensor noise to displacement noise coupling in aLIGO

Document #:

LIGO-T1100518-v2

Document type:

T - Technical notes

Abstract:

A calculation of the coupling of intensity noise in the HWS probe beam to displacement noise in the aLIGO interferometer.

Files in Document:

• T1100518-v2 - HWS intensity noise requirements.pdf (279.2 kB)

Other Files:

• T1100518-v2 - HWS intensity noise requirements.docx (312.8 kB)

Topics:

• Final Design
• Core Optics
• Requirements

Authors:

• Aidan Brooks

Keywords:

aLIGO TCS HWS displacement noise coupling

Notes and Changes:

- added the measured RIN for a Superlum SLD-381-3S SLED and a QPhotonics QFLD-950-3S laser diode

Referenced by:

• LIGO-T1100517-v7: Thermal Compensation System (TCS): Hartmann Wavefront Sensor (HWS) Final Design Document