Conference Agenda

Topical Meetings and Sessions:

TOM 1 - Silicon Photonics and Guided-Wave Optics
TOM 2 - Computational, Adaptive and Freeform Optics
TOM 3 - Optical System Design, Tolerancing and Manufacturing
TOM 4 - Bio-Medical Optics
TOM 5 - Resonant Nanophotonics
TOM 6 - Optical Materials: crystals, thin films, organic molecules & polymers, syntheses, characterization and applications
TOM 7 - Thermal radiation and energy management
TOM 8 - Non-linear and Quantum Optics
TOM 9 - Opto-electronic Nanotechnologies and Complex Systems
TOM 10 - Frontiers in Optical Metrology
TOM 11 - Tapered optical fibers, from fundamental to applications
TOM 12 - Optofluidics
TOM 13 - Advances and Applications of Optics and Photonics
EU Project Session
Early Stage Researcher Session

More information on the Topical Meetings

Select a date or location to show only sessions at that day or location. Select a single session for a detailed view (with abstracts and downloads when you are logged in as a registered attendee). The rest of the TOM sessions, EU project session, tutorials, and Early Stage Researcher session will be updated soon. Thank you for your patience!

Please note that all times are shown in the time zone of the conference. The current conference time is: 11th Aug 2022, 09:06:07pm WEST

Session Overview
TOM6 S01: Optical Materials: crystals, thin films, organic molecules and polymers, syntheses, characterization and devices: Optical materials, structuring and applications
Wednesday, 14/Sept/2022:
2:30pm - 4:00pm

Location: Room 4

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2:30pm - 3:00pm
ID: 268 / TOM6 S01: 1
TOM 6 Optical Materials: crystals, thin films, organic molecules & polymers, syntheses, characterization and devices

Laser micromachining of diamond: A viable photonic and optofluidic platform

Ottavia Jedrkiewicz1, Akhil Kuriakose1,2, Argyri N Giakoumaki3, Giulio Coccia3,4, Monica Bollani3, Roberta Ramponi3,4, Shane M Eaton3

1IFN-CNR, Como, Italy; 2University of Insubria, Como, Italy; 3IFN-CNR, Milano, Italy; 4Politecnico di Milano, Italy

We describe how the ultrafast laser micromachining technique applied with different writing methods can be used for the creation of various building blocks essential for the realization of a photonic and optofluidic diamond platform. Waveguides, NV centers, conductive wires, microchannels and microholes can be obtained thanks to laser microfabrication with suitable pulse parameters, making use not only of standard Gaussian laser beams but also of non-diffracting Bessel beams, the latter especially in all those cases where single pass high aspect-ratio microstructures or ablated areas are needed.

3:00pm - 3:15pm
ID: 248 / TOM6 S01: 2
TOM 6 Optical Materials: crystals, thin films, organic molecules & polymers, syntheses, characterization and devices

Flexible all-glass planar structured fabricated by RF-sputtering

Alice Carlotto1,2, Osman Sayginer3, Anna Szczurek1, Lam T. N. Tran1,4,5, Rossana Dell’Anna6, Stefano Varas1, Bartosz Babiarczuk7, Justyna Krzak7, Oreste S. Bursi8, Daniele Zonta8, Anna Lukowiak9, Giancarlo C. Righini10, Maurizio Ferrari1, Silvia Maria Pietralunga2, Alessandro Chiasera1

1IFN-CNR, CSMFO Lab. and FBK Photonics Unit, Via alla Cascata 56/C, Povo, 38123 Trento, Italy; 2IFN-CNR, P.zza Leonardo da Vinci 32, 20133 Milan, Italy; 3Chair of Biological Imaging and TranslaTUM, Technische Universität München, Ismaninger Str. 22, D-81675 Munich, Germany; 4Dept. of Physics, Politecnico di Milano, P.zza L. da Vinci 32, 20133 Milan, Italy; 5Dept. of Materials Technology, Faculty of Applied Sciences, Ho Chi Minh City University of Technology and Education, Vo Van Ngan Str. 1, Thu Duc District, 720214 Ho Chi Minh City, Vietnam; 6Center for Sensors and Devices, Micro Nano Facility, Fondazione Bruno Kessler, Via Sommarive 18, Povo, 38123, Trento, Italy; 7Dept. of Mechanics, Materials and Biomedical Engineering, Wroclaw University of Science and Technology, Smoluchowskiego 25, 50-370 Wroclaw, Poland; 8Dept. of Civil, Environmental and Mechanical Engineering, University of Trento, via Mesiano 77, 38123 Trento, Italy; 9Institute of Low Temperature and Structure Research, PAS, ul. Okólna 2, 50422, Wroclaw, Poland; 10IFAC-CNR, MiPLab, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy, France

Flexible SiO2/HfO2 1D photonic crystals and active SiO2–HfO2:Er3+ all-glass flexible planar waveguides fabricated by radio frequency sputtering, are presented. The 1D photonic crystals show a strong dependence of the optical features on the light incident angle: i) blue-shift of the stopband and ii) narrowing of the reflectance window. Nevertheless, the most interesting result is the experimental evidence that, even after the 1D photonic crystals breakage, where the flexible glass shows naked-eye visible cracks, the multilayer structures generally maintain their integrity, resulting to be promising systems for flexible photonic applications thanks to their optical, thermal and mechanical stability. The flexible planar waveguides, fabricated on ultrathin flexible glass substrate, showed an attenuation coefficient lower than 0.2 dB/cm at 1.54 μm, and exibits emission in the NIR region, resulting particularly suitable as waveguide amplifier in the C band of telecommunications.

3:15pm - 3:30pm
ID: 170 / TOM6 S01: 3
TOM 6 Optical Materials: crystals, thin films, organic molecules & polymers, syntheses, characterization and devices

One-dimensional photonic crystal for polarization-sensitive surface-enhanced spectroscopy

Erika Mogni1, Giovanni Pellegrini2, Jorge Gil-Rostra3, Francisco Yubero3, Giuseppina Simone1,4, Stefan Fossati5, Jakub Dostalek5,6, Rebeca Martinez-Vazquez7, Roberto Osellame7, Michele Celebrano1, Marco Finazzi1, Paolo Biagioni1

1Politecnico di Milano, Dipartimento di Fisica, Milano, Italy; 2Università degli studi di Pavia, Dipartimento di Fisica, Pavia, Italy; 3CSIC-Universidad de Sevilla, Instituto de Ciencia de Materiales de Sevilla, Sevilla, Spain; 4Northwestern Polytechnical University, School of Mechanical Engineering, Xi'an Shaanxi, People's Republic of China; 5AIT Austrian Institute of Technology GmbH, Biosensor Technologies, Tulln an der Donau, Austria; 6Czech Academy of Sciences, FZU-Institute of Physics, Prague, Czech Republic; 7Istituto di Fotonica e Nanotecnologie (IFN)-CNR, Milano, Italy

We realize and experimentally characterize a novel platform for surface-enhanced sensing through Bloch Surface Waves (BSWs). We test a one-dimensional photonic crystal, with a high index inclusion in the top layer, that sustains surfaces modes with, in principle, arbitrary polarization. This is achieved through the coherent superposition of TE and TM dispersion relations of BSWs, which can also provide superchiral fields over a wide spectral range (down to the UV). The resulting platform paves the way to the implementation of polarization-resolved surface-enhanced techniques.

3:30pm - 3:45pm
ID: 222 / TOM6 S01: 4
TOM 6 Optical Materials: crystals, thin films, organic molecules & polymers, syntheses, characterization and devices

The role of heat treatment in improving photoluminescence and optically stimulated luminescence of HfO2

Alvaro de Farias Soares1,2, Sonia Hatsue Tatumi2,3, Clemens Woda1, Lilia Coronato Courrol4

1Helmholtz Zentrum München, Germany; 2Escola Politécnica, Universidade de São Paulo, Brasil; 3Instituto do Mar, Universidade Federal de São Paulo, Brasil; 4Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Universidade Federal de São Paulo, Brasil

HfO2 is a metal oxide from the IV-B family whose properties have been widely applied in electronics and which displays an important blue emission. Despite this fact, few studies have been dedicated to understanding the role of heat treatment on its luminescence properties. Therefore, this study aimed to investigate the Photoluminescence (PL) and Optically Stimulated Luminescence (OSL) of HfO2 powder synthesized by the precipitation method and the influence of calcination on its luminescence. PL spectra results showed a broad emission band at about 2.6 eV, which was related to absorption at 4.1 eV. Green and blue stimulated luminescence spectra depicted emission bands in a similar region, varying between 2.44 up to 2.71 eV. The increase in the heat treatment temperature promoted signal enhancement, which could be associated with higher oxygen vacancy concentrations. OSL dose-response curves for the sample calcined at 1600 °C are linear up to 0.6 Gy and a good signal reproducibility is observed, which makes the material suitable for OSL dosimetry.

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