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Introduction
The optical bench within the vacuum chamber is supported by five vibration isolation pedestals. Typically these isolators have a hand-crank that can be used to adjust the height of each isolator mechanism and therefore level the table being supported.
For KPF, these five hand-cranks were replaced by vacuum-compatible stepper motors. This allows for remote leveling of the bench via computer control (while the bench is installed within the vacuum chamber).
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Relevant Devices
Description | Qty | Source | Part Number |
|---|---|---|---|
Stepper Motor Controller | 1 | Galil | DMC-4050(16BIT)-C012-I000-I000-D4040-D4020(ISAMP) |
Controller Power Supply | 1 | Galil | PSR-12-24 |
Vacuum-Compatible Stepper Motors | 5 | Lin Engineering | 4118M-06S-DDRO |
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