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Revision 32 as of 2011-12-19 22:05:10
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Revision 34 as of 2012-02-10 03:14:05
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= Mode Cleaner Model =
  . [[MC_model| Simulink model ]]
 
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 . [[MC_WFS|MC Wave Front Sensors]]  . [[MC_WFS| MC Wave Front Sensors ]]
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 . [attachment:MC-Schematic.pdf common mode servo circuit board]  . [[attachment:MC-Schematic.pdf|common mode servo circuit board]]
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 * [http://www.ligo.caltech.edu/docs/T/T020145-00.pdf LIGO-T020145-00-R], "Characterization and commissioning of digital suspensions for the 40m Mode Cleaner"
 * [http://www.ligo.caltech.edu/docs/T/T020147-00.pdf LIGO-T020147-00-R], "Characterizing the length sensing and control system of the mode cleaner in the LIGO 40m lab"
 * [[http://www.ligo.caltech.edu/docs/T/T020145-00.pdf|LIGO-T020145-00-R]], "Characterization and commissioning of digital suspensions for the 40m Mode Cleaner"
 * [[http://www.ligo.caltech.edu/docs/T/T020147-00.pdf|LIGO-T020147-00-R]], "Characterizing the length sensing and control system of the mode cleaner in the LIGO 40m lab"

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.

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)