An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Frazão O, Martynkien T, Baptista JM, Santos JL, Urbanczyk W, Wojcik J.Frazão O, et al. Among authors: santos jl.Opt Lett. 2009 Jan 1;34(1):76-8. doi: 10.1364/ol.34.000076.Opt Lett. 2009.PMID: 19109645
Frazão O, Caldas P, Santos JL, Marques PV, Turck C, Lougnot DJ, Soppera O.Frazão O, et al. Among authors: santos jl.Opt Lett. 2009 Aug 15;34(16):2474-6. doi: 10.1364/ol.34.002474.Opt Lett. 2009.PMID: 19684820
Frazão O, Caldas P, Araújo FM, Ferreira LA, Santos JL.Frazão O, et al. Among authors: santos jl.Opt Lett. 2007 Jul 15;32(14):1974-6. doi: 10.1364/ol.32.001974.Opt Lett. 2007.PMID: 17632614
Frazão O, Silva SF, Guerreiro A, Santos JL, Ferreira LA, Araújo FM.Frazão O, et al. Among authors: santos jl.Appl Opt. 2007 Dec 20;46(36):8578-82. doi: 10.1364/ao.46.008578.Appl Opt. 2007.PMID: 18091967