Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 612, Issue 1, Pages 83-96Publisher
ELSEVIER
DOI: 10.1016/j.nima.2009.10.102
Keywords
Experimental tests; Photon regeneration; Resonators and cavities; Axions; Other gauge bosons
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Funding
- Helmholtz Association
- Quantum Engineering and Space-Time Research (QUEST)
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The ALPS Collaboration runs a light shining through a wall (LSW) experiment to search for photon oscillations into weakly interacting sub-eV particles (WISPs) inside of a superconducting HERA dipole magnet at the site of DESY, In this paper we report on the first successful integration of a large-scale optical resonant cavity to boost the available power for WISP production in this type of experiments. The key elements are a frequency tunable narrow line-width continuous wave laser acting as the primary light source and an electronic feed-back control loop to stabilize the power build-up. We describe and characterize our apparatus and demonstrate the data analysis procedures on the basis of a brief exemplary run. (C) 2009 Elsevier B.V. All rights reserved.
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