Past Events

Seminar Announcement: Zeno Gaburro

posted Oct 13, 2017, 12:26 AM by Stefano Varas   [ updated Oct 13, 2017, 12:26 AM ]

Announcement
Thursday, 12 October 2017, 15:00
Sala Grande Palazzina B via alla Cascata 56/C

"Training a new generation of leaders for Africa"

Zeno Gaburro
University of Trento and African Leadership University (Mauritius)
zeno.gaburro@unitn.it
zgaburro@alueducation.com

Abstract
In 2014, Fred Swaniker has suggested that the training of a new class of leaders is the decisive step for African development. He has founded the African Leadership University (ALU), an excellence network with the mission of building 25 innovative campuses across Africa in the next decades. The first campus was opened in Mauritius in 2015, and the second this year in Rwanda. The model of these campuses is strongly pan-African. Students are purposely selected homogeneously across the 54 countries of Africa, to address and foster cultural diversity. There is strong emphasis on soft skills such as verbal and written communication, team work, and project management. All degree programs include a mandatory first year (“Leadership Core”) with courses on soft skills only. I will present my experience with the degree program in Electrical Engineering, and my vision on building partnerships between ALU and European universities and companies.

[1] Fred Swaniker, “The leaders who ruined Africa, and the generation who can fix it”, TED Global Talk, 2014.

Seminar Announcement: Bakang Moses Mothudi

posted Oct 5, 2017, 12:12 AM by Stefano Varas   [ updated Oct 5, 2017, 12:12 AM ]

Announcement
Wednesday, 4 October 2017, 15:00
Sala Grande Palazzina B via alla Cascata 56/C

"Structural and optical properies evaluation of NIR up-converting Er3+ doped ZnTiO3-Zn2TiO4 nanocomposite phosphor"

Bakang Moses Mothudi
University of South África
bkmmothudi@gmail.com
mothubm@unisa.ac.za

Abstract
NIR up-converting Er3+ doped ZnTiO3-Zn2TiO4 nanocomposite phosphor. ZnTiO3-Zn2TiO4 doped with 2 mol% Er3+ was synthesized via solid state reaction method. The X-ray diffractometer (XRD) confirmed the crystallization of both the hexagonal ZnTiO3 and cubic spinel Zn2TiO4 phases. The phosphors were excited in the near-infrared (NIR) region with a wavelength of 980 nm diode laser, and the corresponding up-conversion emission lines were observed in the visible range at 543, 553, 650 – 670 nm, which correspond to 2H11/2, 4S1/24I15/2 and 4F9/24I15/2 transitions of Er3+ ions, respectively.

Notte dei Ricercatori

posted Oct 2, 2017, 2:39 AM by Stefano Varas   [ updated Oct 2, 2017, 3:13 AM ]

http://www.nottedeiricercatori.tn.it/

29 settembre 2017 a partire dalle 17.00
MUSE - Museo delle Scienze
Trento - Corso del Lavoro e della Scienza, 3

In occasione della Notte dei Ricercatori, sarà presente anche CNR-IFN alla postazione n.50 al secondo piano del Muse.

L'argomento trattato sarà il progetto RECOLA "Recovery of lanthanides and other metals from WEEE"
- Il recupero di terre rare dalle miniere urbane (IFN-CNR - Maurizio Ferrari, Lidia Zur, Thi Ngoc Lam Tran, Alessandro Chiasera) -

Vieni a trovarci


Le persone di riferimento sono Lidia Zur ed Alessandro Chiasera



https://goo.gl/photos/JivdwtYCTHaYm27y5

Photo Gallery, RECOLA - Notte dei Ricercatori - 29 September 2017



http://www.nottedeiricercatori.tn.it/

Improved Noninterferometric Test of Collapse Models Using Ultracold Cantilevers

posted Sep 26, 2017, 1:06 AM by Stefano Varas   [ updated Sep 26, 2017, 1:06 AM ]

Oscillations of a microcantilever at milliKelvin temperature have been accurately measured, leading to more stringent limits on the collapse parameters of wave functions and revealing a noise source of unknown origin.


A. Vinante, R. Mezzena, P. Falferi, M. Carlesso, A. Bassi
"Improved Noninterferometric Test of Collapse Models Using Ultracold Cantilevers"
Physical Review Letters 119 (2017) pp. 110401-1/5, ISSN: 0031-9007, doi: 10.1103/PhysRevLett.119.110401.

Maurizio Ferrari OSA Fellow

posted Sep 21, 2017, 3:10 AM by Stefano Varas

We are pleased to congratulate with our colleague Maurizio Ferrari, who has been elected Fellow of the Society by Board of Directors of The Optical Society (OSA).

Maurizio has been recognized “For significant achievements in the spectroscopic characterization of glasses and glass-ceramics and their application to photonic structures and devices, as well as for actively serving the optical community.”

Seminar Announcement: Somayeh Nodehi

posted Sep 15, 2017, 12:14 AM by Stefano Varas   [ updated Sep 15, 2017, 12:14 AM ]

Announcement
Thursday, 14 September 2017, 11:30
Sala Grande Palazzina B via alla Cascata 56/C

"Microfiber resonator and their application"

Somayeh Nodehi
Visiting Researcher at IFN-CNR Milano
somayehnodehi@gmail.com

Abstract
Microfiber Resonators are considered as an alternative waveguide due to their low- cost and accessible fabrication technology. Those have various applications from sensors to laser generators. Among all the applications, this talk focuses mainly about combination of microfiber resonators for filter application. Several novel simple types of microfiber knot structures are introduced. These structures generate a periodic output spectrum with an adjustable band-pass using Vernier effect. Also this work shows how using linear effect on complex structures such as Mach-Zhender-knot, double-knot causes to tune and modify filter factors. It is calculated that the obtained finesse from these structures is bigger than that of a single knot. The structures with different size are fabricated in order to obtain various spectra with different bandwidth and increase the suppression ratio that resulted from Vernier effect.
Finally, we investigate the nonlinearity phenomena (Kerr effect) in a single knot. The results are used to design an XOR gate. A comparison between thresholds power of stimulation this nonlinearity at passive and active microfiber are shown We’ll also discuss resonant modal conversion in a two-mode waveguide coupled to a single-mode microring resonator presenting possible Kerr-type nonlinearity.

ICMS 2017

posted Sep 13, 2017, 2:22 PM by Stefano Varas


XIVth International Conference on Molecular Spectroscopy
held in Białka Tatrzańska, Poland
September 3-7, 2017

The congress is devoted to different branches of molecular spectroscopy and their wide applications in chemistry, physics, biochemistry, biology, medicine, arts, earth and materials sciences. It covers all aspects of molecular spectroscopic techniques together with theoretical and computational methods of investigation of the structure and dynamics of molecular systems.

The Conference opening lecture will be delivered by Krzysztof Matyjaszewski, professor in the department of chemistry at the Mellon College of Science, Carnegie Mellon University.

Confirmed Keynote Speakers:

More detailed information can be found on the webpage:
http://www.icms.agh.edu.pl/

Seminar Announcement: Dragana Jovanović

posted Sep 13, 2017, 2:20 PM by Stefano Varas   [ updated Sep 13, 2017, 2:20 PM ]

Announcement
Monday, 11 September 2017, 10:00
Sala Grande Palazzina B via alla Cascata 56/C

"Synthesis, characterization and applications of rare-earth doped nanoparticles from bulk to nano-dimensions"

Dragana Jovanović
Vinča Institute of Nuclear Sciences, University of Belgrade, Laboratory of
Radiation Chemistry and Physics, Optical Materials and Spectroscopy Group,
Belgrade, Serbia
draganaj@vin.bg.ac.rs

Abstract
In this presentation, it will be presented my research activity based on the preparation, characterization and applications of different luminescent materials.
For synthesis of inorganic luminescent nanoparticles with different sizes and forms (powder, suspensions and colloids), several different methods of synthesis were used: colloidal route, reverse micelles, co-precipitation and solid state reaction at high temperature. These methods could produce different size and morphology of nanoparticles: from ultra-small in size of 2 nm up to bulk material in micrometers size. It is very interesting to see size effects on all their optical properties, because different size and morphology allow nanoparticles to be used for different applications.
Here, it will be presented my recent published results obtained on the RE3+-doped GdVO4 nanoparticles with different sizes and morphologies. Up to now, due to their multifunctionality, these synthesized nanoparticles were used in different fields, as well as: temperature and chemical sensors, multicolor and white up-convertors, bio-imaging and photothermal agents.

SMS 2017

posted Aug 8, 2017, 3:43 PM by Stefano Varas   [ updated Aug 8, 2017, 3:44 PM ]


6th International Summer School on Smart Materials & Structures

This year the ​​ International Summer School on Smart Materials & Structures is held in Trento, Italy, in the period July 25-28, 2017. The scope of the school is to provide an overview of smart technologies from a cross-disciplinary perspective with special focus on optical sensors, wireless sensor networks, smart materials, nano- and micro-technologies, NDT evaluation and decision making.

The school lecturers include:
Branko Glisic (Princeton University, USA)
Dionisio Bernal (Northeastern University, USA)
Wieslaw Ostachowicz (Polish Academy of Sciences, Poland)
Marcus Perry (University of Strathclyde, UK)
Matteo Pozzi (Carnegie Mellon University, USA)

You can find more information on the School program at: http://events.unitn.it/en/smartstructures2017

Who should attend
The school addresses graduate students and postdocs pursuing research in the field of smart materials and structures.

Registration
The registration fee is €400.00. Register by July 14, 2017, at http://events.unitn.it/en/smartstructures2017/registration.

Scholarships
The school offers 5 scholarships covering the registration fee ​​ to support the participation of international students. Scholarship application deadline is June 30, 2017. To apply, please visit the school website at http://events.unitn.it/en/smartstructures2017/apply-scholarship.

Contact
For any further help needed, please contact me or visit the school website at http://events.unitn.it/en/smartstructures2017.

Seminar Announcement: Luigi Sirleto

posted Jun 27, 2017, 1:04 AM by Stefano Varas   [ updated Jun 27, 2017, 1:04 AM ]

Announcement
Tuesday, 20 June 2017, 15:00
Sala Grande Palazzina B via alla Cascata 56/C

"Advances in stimulated Raman scattering in nanostructures"

Luigi Sirleto
Consiglio Nazionale delle Ricerche (CNR),
Istituto per la Microelettronica e Microsistemi, Napoli, Italy
luigi.sirleto@cnr.it

Abstract
Stimulated Raman scattering is essentially a “light amplification”, and some of the most important applications are light amplifiers and laser sources. Important achievements have been obtained in the fields of fiber amplification and integrated photonics.
However, photonics components, currently used in optical interconnects, are relatively large and not ideally suited to on-chip integration. A reduction in the size of integrated optical devices, while maintaining a high level of performance, is a key challenge in photonics. On this line of argument, the ability to construct nano-objects is expected to have a significant impact in the future, leading to the development of fully functional nanodevices, such as nanoscale optical sources. The aim of this talk is to review accomplishments in the field of stimulated Raman scattering in nanostructures, to delineate the state of the art, and to identify the emerging trends and remaining challenges.

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