Opto-mechanical design of vacuum laser resonator for the OSQAR experiment

Jan Hošek; Karolina Macúchová; Šárka Nemcová; Štĕpán Kunc; Miroslav Šulc

doi:10.1117/12.2070226

6 January 2015 Opto-mechanical design of vacuum laser resonator for the OSQAR experiment

Jan Hošek, Karolina Macúchová, Šárka Nemcová, Štĕpán Kunc, Miroslav Šulc

Proceedings Volume 9450, Photonics, Devices, and Systems VI; 945003 (2015) https://doi.org/10.1117/12.2070226
Event: Photonics Prague 2014, 2014, Prague, Czech Republic

Abstract

This paper gives short overview of laser-based experiment OSQAR at CERN which is focused on search of axions and axion-like particles. The OSQAR experiment uses two experimental methods for axion search – measurement of the ultra-fine vacuum magnetic birefringence and a method based on the “Light shining through the wall” experiment. Because both experimental methods have reached its attainable limits of sensitivity we have focused on designing a vacuum laser resonator. The resonator will increase the number of convertible photons and their endurance time within the magnetic field. This paper presents an opto-mechanical design of a two component transportable vacuum laser resonator. Developed optical resonator mechanical design allows to be used as a 0.8 meter long prototype laser resonator for laboratory testing and after transportation and replacement of the mirrors it can be mounted on the LHC magnet in CERN to form a 20 meter long vacuum laser resonator.

Citation Download Citation

Jan Hošek, Karolina Macúchová, Šárka Nemcová, Štĕpán Kunc, and Miroslav Šulc "Opto-mechanical design of vacuum laser resonator for the OSQAR experiment", Proc. SPIE 9450, Photonics, Devices, and Systems VI, 945003 (6 January 2015); https://doi.org/10.1117/12.2070226

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