An adjustable-length cavity and Bose-Einstein condensate apparatus for multimode cavity QED

A. Kollár, A. Papageorge, K. Baumann, M. Armen, and B. L. Lev
An adjustable-length cavity and Bose-Einstein condensate apparatus for multimode cavity QED 
New Journal of Physics 17, 043012 (2015). pdf
arXiv:1411.5443