1. Instituto de Ciencias Físicas; Universidad Nacional Autónoma de México; Cuernavaca Morelos Mexico
2. Instituto de Física; Universidad Nacional Autónoma de México; México Mexico
3. Air Force Research Laboratory, Materials & Manufacturing Directorate; Wright Patterson AFB; OH USA
4. Department of Physics and Astronomy; Bowling Green State University; Bowling Green OH USA
5. Ullrich Photonics LLC; Wayne OH USA