Search Results - "Larruquert, J I"

High reflectance ta-C coatings in the extreme ultraviolet by Larruquert, J I, Rodríguez-de Marcos, L V, Méndez, J A, Martin, P J, Bendavid, A

“…The extreme ultraviolet (EUV) reflectance of amorphous tetrahedrally coordinated carbon films (ta-C) prepared by filtered cathodic vacuum arc was measured in…”
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Far ultraviolet reflectance variation of MgF2-protected aluminum films under controlled exposure to the main components of the atmosphere by Fernández-Perea, M., Aznárez, J.A., Calvo-Angós, J., Larruquert, J.I., Méndez, J.A.

“…Far ultraviolet (FUV) reflectance measurements on in situ deposited MgF2-overcoated aluminum films and on the same films after exposure to controlled doses of…”
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Carbon coatings for extreme-ultraviolet high-order laser harmonics by Coraggia, S., Frassetto, F., Aznarez, J.A., Larruquert, J.I., Mendez, J.A., Negro, M., Stagira, S., Vozzi, C., Poletto, L.

“…The experimental study of the optical properties of thin carbon films to be used as grazing-incidence coatings for extreme-ultraviolet high-order harmonics is…”
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Unveiling the effects of the surface and in-depth nanostructure on the far-UV optical reflectance of thin fluoride multilayer coatings by López-Reyes, P., Enríquez, E., Crespillo, M.L., Rodríguez-De Marcos, L.V., Olivares, J., Larruquert, J.I.

“…[Display omitted] •Structural parameters of FUV fluoride MLs were determined with AFM, BSESEM, and RBS.•Coating roughness scales with bilayers, being lower for…”
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Degradation of far ultraviolet reflectance of aluminum films exposed to atomic oxygen. In-orbit coating application by Larruquert, Juan Ignacio, Méndez, JoséAntonio, Aznárez, JoséAntonio

“…The drop in reflectance at the interval 82.6–174.4 nm of ultra high vacuum prepared aluminum coatings when exposed to controlled doses of atomic oxygen with…”
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Mirrors for space telescopes: degradation issues by Garoli, D, De Marcos, L. V. Rodriguez, Larruquert, J. I, Corso, A. J, Zaccaria, R. Proietti, Pelizzo, M. G

“…Mirrors are a subset of optical components essential for the success of current and future space missions. Most of the telescopes for space programs ranging…”
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Measurement and simulation of mechanical and optical properties of sputtered amorphous SiC coatings by Favaro, G, Amato, A, Arciprete, F, Bazzan, M, Cesarini, E, De Matteis, F, Dao, T. H, Granata, M, Honrado-Benítez, C, Gutiérrez-Luna, N, Larruquert, J. I, Lorenzin, G, Lumaca, D, Maggioni, G, Magnozzi, M, Placidi, E, Prosposito, P, Puosi, F

“…In this work We report on the extensive characterization of amorphous silicon carbide (a-SiC) coatings prepared by physical deposition methods. We compare the…”
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Far ultraviolet optical properties of MgF2 films deposited by ion-beam sputtering and their application as protective coatings for Al by LARRUQUERT, Juan I, KESKI-KUHA, Ritva A. M

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Sub-quarterwave multilayers with enhanced reflectance at 13.4 and 11.3 nm by Larruquert, Juan I.

“…The new technique of sub-quarterwave multilayers is applied to design multilayers with more than two materials, with enhanced reflectance at 13.4 and 11.3 nm,…”
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Reflectance measurements and optical constants in the extreme ultraviolet of thin films of ion-beam-deposited carbon by Larruquert, Juan I, Keski-Kuha, Ritva A.M

“…Reflectance measurements of ion-beam-deposited (IBD) C films were performed in the extreme ultraviolet (EUV) spectral region from 49 to 200 nm. Near normal…”
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Life prolongation of far ultraviolet reflecting aluminum coatings by periodic recoating of the oxidized surface by Larruquert, Juan Ignacio, Méndez, JoséAntonio, Aznárez, JoséAntonio

“…In-orbit operating optical instruments provided with pure aluminum coatings are expected to promote great advances in far ultraviolet (FUV) astronomy. A…”
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