Stability of erbium and silver implanted in silica-titania sol-gel films
NUCLEAR INSTRUMENTS \& METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 240, 415-419 10 2005
AR Ramos , C. P. Marques , E. Alves , Ana C. Marques , Rui M. Almeida

Spectroscopic assessment of rare-earth activated planar waveguides and microcavities
APPLIED SURFACE SCIENCE, 248, 3-7 7 2005
L Zampedri , C Tosello , H Portales , M Montagna , M. Mattarelli , Andrea Chiappini , GC Righini , S. Pelli , GN Conti , M Martino , S Portal , Ana C. Marques , Rui M. Almeida , Y. Jestin , M. Ferrari , Alessandro Chiasera

The effects of TiO2 on the structure and spectroscopic properties of silica-hafnia based sol-gel waveguides
GLASS TECHNOLOGY, 46, 50-54 4 2005
Ana C. Marques , R Cabeca , Rui M. Almeida , L Zampedri , Alessandro Chiasera , M. Ferrari

Variable incidence infrared absorption spectroscopy of gel-derived silica and titania films
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 201, 2941-2947 10 2004
S Portal , Rui M. Almeida

Influence of Er3+ on the early stages of crystallization of chloro-tellurite glasses studied by XRD and EXAFS
JOURNAL OF NON-CRYSTALLINE SOLIDS, 348, 11-16 11 2004
LM Fortes , LF Santos , MC Goncalves , Rui M. Almeida , F. d Acapito

Photoluminescence of erbium-doped silicate sol-gel planar waveguides
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 31, 317-322 8 2004
Rui M. Almeida , Ana C. Marques , R Cabeca , L Zampedri , Alessandro Chiasera , M. Ferrari

Sol-gel photonic bandgap materials and structures
JOURNAL OF NON-CRYSTALLINE SOLIDS, 345, 562-569 10 2004
Rui M. Almeida , MC Goncalves , S Portal

Photonic glasses - Selected Papers Presented at ICO XIX, The 19th Congress of the International Commission for Optics - Firenze, Italy, August 25-30, 2002 Preface
OPTICAL MATERIALS, 25, V 3 2004
GC Righini , Rui M. Almeida

Compositional profiles in silica-based sol-gel films doped with erbium and silver, by RBS and ERDA
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 31, 287-291 8 2004
Ana C. Marques , Rui M. Almeida , AR Ramos , E. Alves

On a qualitative model for the incorporation of fluoride nano-crystals within an oxide glass network in oxy-fluoride glass-ceramics
JOURNAL OF NON-CRYSTALLINE SOLIDS, 337, 191-195 7 2004
VK Tikhomirov , AB Seddon , M. Ferrari , M Montagna , LF Santos , Rui M. Almeida

Study of silica-titania films doped with Er and Ag by RBS and ERDA
NUCLEAR INSTRUMENTS \& METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 219, 923-927 6 2004
Ana C. Marques , AR Ramos , E. Alves , Rui M. Almeida

Spectroscopic assessment of silica-titania and silica-hafnia planar waveguides
PHILOSOPHICAL MAGAZINE, 84, 1659-1666 6 2004
Rui M. Almeida , Ana C. Marques , S. Pelli , GC Righini , Alessandro Chiasera , M. Mattarelli , M Montagna , C Tosello , RR Goncalves , H Portales , S Chaussedent , M. Ferrari , L Zampedri

Photonic band gap structures by sol-gel processing
CURRENT OPINION IN SOLID STATE \& MATERIALS SCIENCE, 7, 151-157 4 2003
Rui M. Almeida , S Portal

Er3+-doped tellurite waveguides deposited by excimer laser ablation
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 105, 65-69 12 2003
AP Caricato , M Fernandez , M. Ferrari , G Leggieri , M Martino , M. Mattarelli , M Montagna , V Resta , L Zampredi , Rui M. Almeida , MC Concalves , L. M. Fortes , LF Santos

The structure of Er3+-doped oxy-fluoride transparent glass-ceramics studied by Raman scattering
EUROPHYSICS LETTERS, 64, 529-535 11 2003
VK Tikhomirov , AB Seddon , M. Ferrari , M Montagna , LF Santos , Rui M. Almeida

Photonic bandgap materials and structures by sol-gel processing
JOURNAL OF NON-CRYSTALLINE SOLIDS, 326, 405-409 10 2003
Rui M. Almeida , AS Rodrigues

Preparation and characterization of Er3+-doped TeO2-based oxyhalide glasses
JOURNAL OF NON-CRYSTALLINE SOLIDS, 324, 150-158 8 2003
LM Fortes , LF Santos , MC Goncalves , Rui M. Almeida

Reversible photoluminescence quenching in Er3+-doped silica-titania planar waveguides prepared by sol-gel
JOURNAL OF NON-CRYSTALLINE SOLIDS, 322, 272-277 7 2003
Ana C. Marques , Rui M. Almeida , Alessandro Chiasera , M. Ferrari

Optical nanocomposite planar waveguides doped with rare-earth and noble metal elements
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 26, 891-896 1 2003
Rui M. Almeida , Ana C. Marques , M. Ferrari

X-ray photoelectron spectroscopy of alkali germanate glasses
SURFACE AND INTERFACE ANALYSIS, 34, 324-327 8 2002
Daniela Di Martino , LF Santos , Rui M. Almeida , Maria F. Montemor