1. Department of Engineering Physics, Air Force Institute of Technology, Wright-Patterson Air Force Base, Ohio 45433, USA
2. Department of Physics and Astronomy, West Virginia University, Morgantown, West Virginia 26506, USA
3. Northrop Grumman Synoptics, 1201 Continental Blvd., Charlotte, North Carolina 28273, USA
4. Air Force Research Laboratory, Sensors Directorate, Wright-Patterson Air Force Base, Ohio 45433, USA
5. Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright-Patterson Air Force Base, Ohio 45433, USA