Improving ellipticity detection sensitivity for the Q & A vacuum birefringence experiment

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dc.creatorChen, Sheng-Jui
dc.creatorMei, Hsien-Hao
dc.creatorNi, Wei-Tou
dc.creatorWu, Jeah-Sheng
dc.date2003-08-29
dc.date2003-09-05
dc.date.accessioned2026-07-07T03:36:01Z
dc.date.available2026-07-07T03:36:01Z
dc.descriptionQ & A (quantum electrodynamics test and search for axion) experiment was first proposed in 1994 and a 3.5 m high-finesse Fabry-Perot prototype detector extendable to 7 m has been built and tested. We now enter into the 2nd phase of improving the ellipticity detection sensitivity. We present our scheme, compare with other ongoing experiments, analyze the displacement spectra of our suspension system, and use them for designing automatic alignment control to improve the ellipticicy detection sensitivity. To improve ellipsometry resolution, we use new polarizers of extinction ratio smaller than 10^{-8}.
dc.description5 pages, 1 table and 3 figures. This manuscript has been presented in the 5th Edoardo Amaldi Conference on Gravitational Waves, Tirrenia (Pisa), Italy, July 6-11, 2003 and submitted to "Classical and Quantum Gravity" for publication in the special issue for Amaldi 5th Conference
dc.identifierhttps://arxiv.org/abs/hep-ex/0308071
dc.identifierhttp://arxiv.org/abs/hep-ex/0308071
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/37586
dc.subjectHigh Energy Physics - Experiment
dc.titleImproving ellipticity detection sensitivity for the Q & A vacuum birefringence experiment
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