1. Center for Intelligent Material Systems and Structures, Department of Mechanical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
2. Advanced Vehicle Dynamics Laboratory, Department of Mechanical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
3. Fiber and Electro-Optics Research Center, Departments of Electrical and Computer Engineering and of Materials Science and Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061