Dual wavelength continuous wave laser using a birefringent filter C. G. Treviño-Palacios, O. J. Zapata-Nava, E. V. Mejía-Uriarte, N. Qureshi, G. Paz-Martínez and O. Kolokolstev J. Eur. Opt. Soc.-Rapid Publ., 8 (2013) 13021 Published online: 14 March 2013 DOI: 10.2971/jeos.2013.13021