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Size: 938
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Size: 1262
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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| . 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 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. |
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| 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. |
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| [[Installing the Input Mode Cleaner board]] | {{attachment:IMC_Lock_Settings.png|IMC Lock settings}} |
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| = Mode Cleaner Model = . [[MC_model| MC model ]] |
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== Beam centering == |
= Beam centering = |
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| == WFS == . [[MC WFS]] |
= Alignment Sensing and Control = . [[MC_WFS| MC Wave Front Sensors ]] |
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| == Analog circuits == | = Analog circuits = |
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| . attachment:MC-Schematic.pdf | . [[attachment:MC-Schematic.pdf|common mode servo circuit board]] |
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| = Documents = * [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" |
= Documents and Links = * [[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" * [[RF_ASC]], "Interferometer Wave Front Sensing" |
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.
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"