1. Federal University of Pará,Applied Electromagnetism Laboratory,Belém,Pará,Brazil
2. Engineering Military Institute,Laboratory of Photonics,Rio de Janeiro,Brazil
3. Federal Center for Technological Education Celso Suckow da Fonseca,Rio de Janeiro,Brazil
4. University of Porto, INESC TEC,Faculty of Sciences,Porto,Portugal
5. University of Madeira, INESC TEC,Faculty of Exact Sciences and Engineering,Porto,Portugal