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THPCH090 |
Stabilization of the ILC Final Focus Using Interferometers
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3000 |
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- D. Urner, P.A. Coe, A. Reichold
OXFORDphysics, Oxford, Oxon
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We are developing a system of interferometers that can measure the relative motion between two objects (such as the two final focus quadrupoles) to a few nanometers using interferometric methods. Two instruments are developed at the John Adams Institute at University of Oxford: A distance meter to measure length changes and a straightness monitor to measure perpendicular shifts. We will present technique, results and resolutions of our distance meter prototype. We will also examine their applications at the ILC.
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