title: Two color multichannel heterodyne interferometer set up for high spatial resolution electron density profile measurements in TJ-II.
authors.affiliation: Department of Electronics Technology, Universidad Carlos III de Madrid, Leganes, Madrid 28911, Spain. ppedreir@ing.uc3m.es
authors.forename: P
authors.initials: P
authors.lastname: Pedreira
authors.forename: L
authors.initials: L
authors.lastname: Esteban
authors.forename: A R
authors.initials: AR
authors.lastname: Criado
authors.forename: P
authors.initials: P
authors.lastname: Acedo
authors.forename: M
authors.initials: M
authors.lastname: Sánchez
authors.forename: J
authors.initials: J
authors.lastname: Sánchez