The alignment of the C3 Accelerator Structures with the Rasnik alignment system
Harry van der Graaf, Niels van Bakel, Bram Bouwens, Martin, Breidenbach, Andrew Haase, Joris van Heijningen, Anoop Nagesh Koushik, Emilio, Nanni, Tristan du Pree, Nick van Remortel, Caterina Vernieri
TL;DR
This paper presents the implementation and testing of the Rasnik 3-point alignment system in the C3 accelerator structures, demonstrating its operation in cryogenic conditions and outlining future testing plans.
Contribution
It introduces the conceptual integration of Rasnik chains with C3 accelerator structures and verifies system operation in liquid nitrogen environments.
Findings
Rasnik system can be used as an N-point alignment system
Successful operation of laser diode and CMOS sensor in liquid nitrogen
Plans for further testing of a complete system in cryogenic conditions
Abstract
The Rasnik 3-point alignment system, now widely applied in particle physics experiments and in the instrumentation of gravitational wave experiments, can be used as N-point alignment system by daisy chain N individual 3-point systems. The conceptual implementation of Rasnik chains in C3 is presented. The proper operation of a laser diode and a CMOS image sensor in liquid nitrogen has been verified. Next plans for testing a small but complete system, immersed in liquid nitrogen, are presented.
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Taxonomy
TopicsGeophysics and Gravity Measurements · Astronomical Observations and Instrumentation