Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Stefano Varas"'
Autor:
Dariia Chernomorets, Pietro Galizia, Giacomo Zanetti, Stefano Varas, Alessandro Chiasera, Andreana Piancastelli, Roman Yavetskiy, Jan Hostaša
Publikováno v:
Open Ceramics, Vol 20, Iss , Pp 100666- (2024)
Y2O3 transparent ceramics with different amounts of ZrO2 were obtained by reactive vacuum sintering at a relatively low temperature of 1735 °C for 22 h. The influence of ZrO2 concentration within the 0–15 mol.% range on the microstructure, phase c
Externí odkaz:
https://doaj.org/article/60f840c554f2425d891902fb35460fcf
Autor:
Giacomo Zanetti, Alice Carlotto, Thi Ngoc Lam Tran, Anna Szczurek, Bartosz Babiarczuk, Osman Sayginer, Stefano Varas, Justyna Krzak, Oreste Bursi, Daniele Zonta, Giacomo Baldi, Matteo Bonomo, Simone Galliano, Claudia Barolo, Nicola Bazzanella, Silvia Maria Pietralunga, Alessandro Chiasera
Publikováno v:
Optical Materials: X, Vol 19, Iss , Pp 100241- (2023)
We present the results of the spectral transmittance and reflectance of a SiO2/TiO2 1D photonic crystal deposited by Radio Frequency sputtering on a flexible polymeric substrate, which shows a blue-shift in its transmittance stopband proportional to
Externí odkaz:
https://doaj.org/article/930515592bac4a379abd661e62816f53
Autor:
Hao Chen, Alessandro Chiasera, Stefano Varas, Osman Sayginer, Cristina Armellini, Giorgio Speranza, Raffaella Suriano, Maurizio Ferrari, Silvia Maria Pietralunga
Publikováno v:
Optical Materials: X, Vol 12, Iss , Pp 100093- (2021)
Tungsten oxide WO3-x is a transition metal oxide and a wide bandgap semiconductor, with a wide range of possible optical and photonic applications. In dependence on the fabrication techniques different stoichiometric ratios (x) and crystalline phases
Externí odkaz:
https://doaj.org/article/47a54f19fc8a4bc4b8a0a64ec6bea710
Autor:
Thi Ngoc Lam Tran, Simone Berneschi, Cosimo Trono, Gualtiero Nunzi Conti, Lidia Zur, Cristina Armellini, Stefano Varas, Alessandro Carpentiero, Andrea Chiappini, Alessandro Chiasera, James Gates, Pier-John Sazio, Monica Bollani, Anna Lukowiak, Giancarlo C. Righini, Maurizio Ferrari
Publikováno v:
Optical Materials: X, Vol 7, Iss , Pp 100056- (2020)
For different applications in laser photonics and integrated optics, photorefractive materials are surely of great interest and play an important role in miniaturization of devices and fabrication of functional photonic structures such as gratings an
Externí odkaz:
https://doaj.org/article/e13d6e000c774f53b8d9dac6b95e21b8
Autor:
Lam Thi Ngoc Tran, Damiano Massella, Lidia Zur, Alessandro Chiasera, Stefano Varas, Cristina Armellini, Giancarlo C. Righini, Anna Lukowiak, Daniele Zonta, Maurizio Ferrari
Publikováno v:
Applied Sciences, Vol 8, Iss 8, p 1335 (2018)
The development of efficient luminescent systems, such as microcavities, solid-state lasers, integrated optical amplifiers, and optical sensors is the main topic in glass photonics. The building blocks of these systems are glass-ceramics activated by
Externí odkaz:
https://doaj.org/article/e6ce1a10d91b4271877d1c56b9503b16
Low losses Er3+-doped flexible planar waveguide: Toward an all-glass flexible planar photonic system
Autor:
Alice Carlotto, Thi Ngoc Lam Tran, Bartosz Babiarczuk, Nicola Bazzanella, Anna Szczurek, Stefano Varas, Justyna Krzak, Oreste S. Bursi, Daniele Zonta, Anna Łukowiak, Giancarlo C. Righini, Maurizio Ferrari, Silvia M. Pietralunga, Alessandro Chiasera
Publikováno v:
Ceramics International.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98831d2d91af510646bdf513e426afa5
https://doi.org/10.1016/j.ceramint.2023.03.012
https://doi.org/10.1016/j.ceramint.2023.03.012
Autor:
Giancarlo C. Righini, Cristina Armellini, Maurizio Ferrari, Alice Carlotto, Alessandro Carpentiero, Andrea Chiappini, Alessandro Chiasera, Anna Lukowiak, Thi Ngoc Lam Tran, Stefano Varas
Publikováno v:
Materials. 16:2724
In this review, we present a short overview of the development of sol–gel glasses for application in the field of photonics, with a focus on some of the most interesting results obtained by our group and collaborators in that area. Our main attenti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0221a4f48653e20668fd047586a97d17
https://doi.org/10.3390/ma16072724
https://doi.org/10.3390/ma16072724
Autor:
Alessandro Chiasera, Alessandro Carpentiero, Maurizio Ferrari, Cristina Armellini, Pawel Gluchowski, Gloria Ischia, Thi Ngoc Lam Tran, Monica Bollani, Andrea Chiappini, Stefano Varas, Giancarlo C. Righini, Francesco Scotognella, Erica Iacob, Anna Lukowiak
Publikováno v:
Ceramics international 47 (2021): 5534–5541. doi:10.1016/j.ceramint.2020.10.137
info:cnr-pdr/source/autori:Tran T.N.L.; Armellini C.; Varas S.; Carpentiero A.; Chiappini A.; Gluchowski P.; Iacob E.; Ischia G.; Scotognella F.; Bollani M.; Lukowiak A.; Righini G.C.; Ferrari M.; Chiasera A./titolo:Assessment of SnO2-nanocrystal-based luminescent glass-ceramic waveguides for integrated photonics/doi:10.1016%2Fj.ceramint.2020.10.137/rivista:Ceramics international/anno:2021/pagina_da:5534/pagina_a:5541/intervallo_pagine:5534–5541/volume:47
info:cnr-pdr/source/autori:Tran T.N.L.; Armellini C.; Varas S.; Carpentiero A.; Chiappini A.; Gluchowski P.; Iacob E.; Ischia G.; Scotognella F.; Bollani M.; Lukowiak A.; Righini G.C.; Ferrari M.; Chiasera A./titolo:Assessment of SnO2-nanocrystal-based luminescent glass-ceramic waveguides for integrated photonics/doi:10.1016%2Fj.ceramint.2020.10.137/rivista:Ceramics international/anno:2021/pagina_da:5534/pagina_a:5541/intervallo_pagine:5534–5541/volume:47
For integrated photonics, waveguide structures based on rare-earth-activated glasses are potential candidates for implementing compact integrated light sources and amplifiers. However, rare-earth ions (REs) possess low absorption cross-section, and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b6a1adfd8188dadffd925300c0c13ce
https://doi.org/10.1016/j.ceramint.2020.10.137
https://doi.org/10.1016/j.ceramint.2020.10.137
Autor:
Thi Ngoc Lam Tran, Anna Szczurek, Alice Carlotto, Alessandro Cian, Stefano Varas, Erica Iacob, Gloria Ischia, Osman Sayginer, Simone Berneschi, Gualtiero Nunzi Conti, Rolindes Balda, Joaquin Fernandez, Giancarlo C. Righini, Monica Bollani, Francesco Scotognella, Daniele Zonta, Oreste Bursi, Pawel Gluchowski, Anna Lukowiak, Maurizio Ferrari, Alessandro Chiasera
Publikováno v:
Fiber Lasers and Glass Photonics: Materials through Applications III.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c55480cc5045617f1ec0ea487c5bea70
https://doi.org/10.1117/12.2620624
https://doi.org/10.1117/12.2620624
Autor:
Alice Carlotto, Osman Sayginer, Hao Chen, Thi Ngoc Lam Tran, Rossana Dell’Anna, Anna Szczurek, Stefano Varas, Bartosz Babiarczuk, Justyna Krzak, Oreste S. Bursi, Daniele Zonta, Anna Lukowiak, Giancarlo C. Righini, Maurizio Ferrari, Silvia M. Pietralunga, Alessandro Chiasera
Publikováno v:
Fiber Lasers and Glass Photonics: Materials through Applications III.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c97eedb6c3e168b1737883578301783f
https://doi.org/10.1117/12.2621281
https://doi.org/10.1117/12.2621281