1. Department of Mechanical and Aerospace Engineering (MAE); Benjamin M. Statler College of Engineering and Mineral Resources; West Virginia University (WVU); PO Box 6106, 325 Engineering Sciences Building Morgantown WV 26506 USA
2. Swinburne University of Technology; Centre for Micro-Photonics (H74); PO Box 218 Hawthorn VIC 3122 Australia
3. University of Parma, Department of Information Engineering; Viale G.P. Usberti 181/A 43124 Parma Italy
4. School of Aerospace, Mechanical and Manufacturing Engineering; RMIT University; PO Box 71 Bundoora VIC 3083 Australia