– Evaluation of a Budget Optical Coherence Tomography for Cleaning Treatments of Painted Ancient Artifacts
BELLEZZA PRINSI, CHIARA; Buscaglia, Paola; Olivero, Massimo; Re, Alessandro; Grassini, Sabrina; Vallan, Alberto; Perrone, Guido
MEASUREMENT SCIENCE & TECHNOLOGY
[@if doi_or_link] DOI / Linkabstract

This study investigates the accuracy of a budget Optical Coherence Tomography (OCT) for measuring the thickness of protective varnishes on ancient artifacts that have to undergo cleaning or restoration. Two sets of glass slides, deposited with layers that

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All-fiber sensors for radiation measurements in radiotherapy
Bellone, Aurora; Olivero, Massimo; Vallan, Alberto; Perrone, Guido
Photonics West
[@if doi_or_link] DOI / Linkabstract

The paper presents the development and investigation of distributed and a quasi-distributed fiber optic sensors for the real-time monitoring of radiations during cancer treatments. Both sensors rely on ad-hoc developed nanoparticle-doped optical fibers wi

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All-optical system for the continuous pH monitoring of aqueous solutions
Bellezza Prinsi, Chiara; Iannucci, Leonardo; Olivero, Massimo; Grassini, Sabrina; Vallan, Alberto; Perrone, Guido
PROGRESS IN BIOMEDICAL OPTICS AND IMAGING
[@if doi_or_link] DOI / Linkabstract

Monitoring pH is crucial across many fields due to its significant impact on chemical reactions, biological processes, and environmental conditions. While traditional pH measurement methods are limited to occasional use or require expensive and cumbersome

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Combined optical water quality monitoring and sanitization system
Bellezza Prinsi, Chiara; Perrone, Guido
Photonics West
[@if doi_or_link] DOI / Linkabstract

The paper presents the realization of a prototype of a compact, cost-effective, and real-time photonic system for the early detection of quality variations in flowing water and for its sanitization. The detection is based on a multi-functional fiber Surfa

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Compact high-brightness and highly manufacturable blue laser modules
Serafini, Valentina; Riva, Martina; Mirigaldi, Alessandro; Perrone, Guido
Proc. SPIE 11668, High-Power Diode Laser Technology XIX, 116680J (10 March 2021)
[@if doi_or_link] DOI / Linkabstract

Blue laser diode sources have already proved to be an effective alternative for material processing, especially of high reflective materials, such as copper; now the challenge is to increase their power while improving brightness and reducing the cost-per

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Detection of vaccinia virus proteins in wastewater environment using biofunctionalized optical fiber semi-distributed FBG-assisted interferometric probes
Olivero, Massimo; Perrone, Guido;
SENSING AND BIO-SENSING RESEARCH
[@if doi_or_link] DOI / Linkabstract

In this work, we present the detection of proteins expressed by poxvirus with fiber-optic probes based on a semi-distributed interferometer (SDI) assisted by a fiber Bragg grating (FBG), performing the measurement directly into a wastewater sample. Modern

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Digital Twin of a H&N Microwave Cancer Hyperthermia Setup using COMSOL Multiphysics
Maryam Firuzalizadeh; Rossella Gaffoglio; Giorgio Giordanengo; Marco Righero; Marcello Zucchi; Aurora Bellone; Alberto Vallan; Guido Perrone; Giuseppe Vecchi
Proceedings of the 2024 COMSOL Conference
[@if doi_or_link] DOI / Linkabstract

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Distributed X-ray dosimetry with optical fibers by Optical Frequency Domain Interferometry
Olivero, Massimo; Mirigaldi, Alessandro; Serafini, Valentina; Vallan, Alberto; Perrone, Guido; Tosi, Daniele
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
[@if doi_or_link] DOI / Linkabstract

This article reports on the first demonstration of in situ, real-time dosimetry realized with an enhanced backscatttering optical fiber, and a high resolution optical backscattering reflectometry measurement. This work is devised to overcome the current p

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Efficacy, biocompatibility and degradability of carbon nanoparticles for photothermal therapy of lung cancer
Barzan, Giulia; Perrone, Guido;
NANOMEDICINE
[@if doi_or_link] DOI / Linkabstract

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Enhancing the translational potential of photo-responsive covellite in medicine: solvent-free tuning of CuS nanoparticles LSPR and control of their stability in aqueous media by a carbonaceous shell
Bellone, Aurora; Perrone, Guido;
MATERIALS TODAY CHEMISTRY
[@if doi_or_link] DOI / Linkabstract

Covellite (CuS) nanoparticles (NPs) are versatile, non-noble metal plasmonic materials which have been recognized as promising candidates for therapeutical applications. However, the poor chemical stability of CuS NPs in aqueous media makes their use in m

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Heat Focusing in Head and Neck Hyperthermia Considering Vessels Blood Flow
Firuzalizadeh, Maryam; Gaffoglio, Rossella; Giordanengo, Giorgio; Righero, Marco; Zucchi, Marcello; Bellone, Aurora; Vallan, Alberto; Perrone, Guido; Vecchi, Giuseppe
19th European Conference on Antennas and Propagation
[@if doi_or_link] DOI / Linkabstract

This paper investigates how blood flow in major vessels affects temperature distribution during hyperthermia treatments in the head and neck (H&N) region. To do this, we used an in-silico model and a physical phantom of the neck region where a silicon tub

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High brightness 100 W-50 μm delivery blue laser diode module
Riva M.; Perrone G.
PROCEEDINGS OF SPIE, THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING
[@if doi_or_link] DOI / Linkabstract

Blue laser diodes are emerging as the next revolution in laser material processing, especially for high reflective materials, such as copper and gold. The paper presents the most recent evolution of a family of medium-high power and high brightness device

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High brightness 500W blue laser source for DED processes
Serafini, Valentina; Perrone, Guido
Photonics West - SPIE LASE
[@if doi_or_link] DOI / Linkabstract

Blue laser diodes, with their short emission wavelength, are revolutionizing laser material processing, particularly for metals such as copper and gold. Achieving power levels suitable for industrial applications requires the combination of multiple lower

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High-power multi-emitter modules with fiber Bragg grating stabilization
Mirigaldi A.; Serafini V.; Perrone G.
High-Power Diode Laser Technology XXI
[@if doi_or_link] DOI / Linkabstract

The paper reports on the wavelength stabilization of high-power laser diode multi-emitter modules using as the external reflectors fiber Bragg gratings that are directly inscribed into the large mode area module delivery fiber using a femtosecond laser. E

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Hydrothermal carbonization synthesis of amorphous carbon nanoparticles (15–150 nm) with fine-tuning of the size, bulk order, and the consequent impact on antioxidant and photothermal properties
Bellone Aurora; Perrone Guido;
NANOSCALE ADVANCES
[@if doi_or_link] DOI / Linkabstract

Hydrothermal carbonization (HTC) of carbohydrates has been reported as a sustainable and green technique to produce carbonaceous micro- and nano-materials. These materials have been developed for several applications, including catalysis, separation scien

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