Resonant laser power build-up in ALPS -- a "light-shining-through-walls" experiment
Instrumentation and Detectors
2010-02-02 v1 High Energy Physics - Experiment
High Energy Physics - Phenomenology
Abstract
The ALPS collaboration runs a light-shining-through-walls (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 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.
Keywords
Cite
@article{arxiv.0905.4159,
title = {Resonant laser power build-up in ALPS -- a "light-shining-through-walls" experiment},
author = {Klaus Ehret and Maik Frede and Samvel Ghazaryan and Matthias Hildebrandt and Ernst-Axel Knabbe and Dietmar Kracht and Axel Lindner and Jenny List and Tobias Meier and Niels Meyer and Dieter Notz and Javier Redondo and Andreas Ringwald and Günter Wiedemann and Benno Willke},
journal= {arXiv preprint arXiv:0905.4159},
year = {2010}
}
Comments
16 pages, 15 figures