Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana, United States of America.|School of Mechanical Engineering, Purdue University, West Lafayette Indiana, United States of America.|Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana, United States of America.|Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana, United States of America.|School of Mechanical Engineering, Purdue University, West Lafayette Indiana, United States of America.