Differences between revisions 35 and 37 (spanning 2 versions)
⇤ ← Revision 35 as of 2012-02-10 03:17:12 →
Size: 1120
Editor: SureshdoravariATligoDOTorg
Comment:
← Revision 37 as of 2022-08-16 23:40:38 → ⇥
Size: 1262
Editor: AnchalguptaATligoDOTorg
Comment:
Deletions are marked like this. Additions are marked like this.
Line 5: Line 5:
= Locking =
Lock Settings for IMC. This is required for autolocker to catch lock.

{{attachment:IMC_Lock_Settings.png|IMC Lock settings}}

Mode Cleaner

  • The Input Mode Cleaner is a suspended triangular cavity. Each mirror of the triangle is 0.25 kg, 3" in diameter and 1" thick. The input mode cleaner length is ~13.5 m (27 m round trip), the Finesse is ~1460. Cavity pole is 3.79kHz.

Locking

Lock Settings for IMC. This is required for autolocker to catch lock.

IMC Lock settings

Mode Cleaner Model

Beam centering

Alignment Sensing and Control

Analog circuits

Documents and Links

  • LIGO-T020145-00-R, "Characterization and commissioning of digital suspensions for the 40m Mode Cleaner"

  • LIGO-T020147-00-R, "Characterizing the length sensing and control system of the mode cleaner in the LIGO 40m lab"

  • RF_ASC, "Interferometer Wave Front Sensing"

Mode_Cleaner (last edited 2022-08-16 23:41:42 by AnchalguptaATligoDOTorg)