1. Materials
and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, Dayton, Ohio 45433, United States
2. General Dynamics Information Technology, Dayton, Ohio 45431, United States
3. Slagle Photonics, Dayton, Ohio 45433, United States
4. Physics
Department, Montana State University, Bozeman, Montana 59717, United States
5. National Institute of Chemical Physics and Biophysics, Tallinn 12618, Estonia