1. Department of Mechanical and Industrial Engineering, 2039 Engineering Research Facility, University of Illinois at Chicago, 842 W. Taylor Street, Chicago, IL 60607 e-mail:
2. Mem. ASME Department of Mechanical and Industrial Engineering, 2039 Engineering Research Facility, University of Illinois at Chicago, 842 W. Taylor Street, Chicago, IL 60607 e-mail:
3. Mem. ASME College of Optics &Photonics, University of Central Florida CREOL, 4304 Scorpius Street, Orlando, FL 32816-2700 e-mail: