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  Resonant laser power build-up in ALPS—A “light shining through a wall” experiment

Ehret, K., Frede, M., Ghazaryan, S., Hildebrandt, M., Knabbe, E.-A., Kracht, D., et al. (2009). Resonant laser power build-up in ALPS—A “light shining through a wall” experiment. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 612(1), 83-96. doi:10.1016/j.nima.2009.10.102.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-9D10-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-9D12-D
Genre: Journal Article

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 Creators:
Ehret, Klaus, Author
Frede, Maik, Author
Ghazaryan, Samvel, Author
Hildebrandt, Matthias, Author
Knabbe, Ernst-Axel, Author
Kracht, Dietmar, Author
Lindner, Axel, Author
List, Jenny, Author
Meier, Tobias1, Author              
Meyer, Niels, Author
Notz, Dieter, Author
Redondo, Javier, Author
Ringwald, Andreas, Author
Wiedemann, Günter, Author
Willke, Benno1, Author              
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1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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 Abstract: 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.

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 Dates: 2009
 Publication Status: Published in print
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 Identifiers: eDoc: 475382
DOI: 10.1016/j.nima.2009.10.102
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Title: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Source Genre: Journal
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Pages: - Volume / Issue: 612 (1) Sequence Number: - Start / End Page: 83 - 96 Identifier: -