Giuseppe Pesce
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View article: Microscopic geared metamachines
Microscopic geared metamachines Open
The miniaturization of mechanical machines is critical for advancing nanotechnology and reducing device footprints. Traditional efforts to downsize gears and micromotors have faced limitations at around 0.1 mm for over thirty years due to …
View article: SmartTrap: Automated Precision Experiments with Optical Tweezers
SmartTrap: Automated Precision Experiments with Optical Tweezers Open
There is a trend in research towards more automation using smart systems powered by artificial intelligence. While experiments are often challenging to automate, they can greatly benefit from automation by reducing labor and increasing rep…
View article: Germanium target sensed by phonon-mediated kinetic inductance detectors
Germanium target sensed by phonon-mediated kinetic inductance detectors Open
Cryogenic phonon detectors are adopted in experiments searching for dark matter interactions or coherent elastic neutrino-nucleus scattering, thanks to the low energy threshold they can achieve. The phonon-mediated sensing of particle inte…
View article: Self-assembly of defined core–shell ellipsoidal particles at liquid interfaces
Self-assembly of defined core–shell ellipsoidal particles at liquid interfaces Open
Pure ellipsoidal particles without a shell consistently form side-to-side "chain-like" assemblies, regardless of aspect ratio. In contrast, core-shell ellipsoidal particles exhibit a transition from tip-to-tip "flower-like" arrangements to…
View article: Microscopic Geared Mechanisms
Microscopic Geared Mechanisms Open
The miniaturization of mechanical machines is critical for advancing nanotechnology and reducing device footprints. Traditional efforts to downsize gears and micromotors have faced limitations at around 0.1 mm for over thirty years due to …
View article: Programmable self-assembly of core-shell ellipsoids at liquid interfaces
Programmable self-assembly of core-shell ellipsoids at liquid interfaces Open
Ellipsoidal particles confined at liquid interfaces exhibit complex self-assembly behaviour due to quadrupolar capillary interactions induced by meniscus deformation. These interactions cause particles to attract each other in either tip-t…
View article: Deep learning for optical tweezers
Deep learning for optical tweezers Open
Optical tweezers exploit light–matter interactions to trap particles ranging from single atoms to micrometer-sized eukaryotic cells. For this reason, optical tweezers are a ubiquitous tool in physics, biology, and nanotechnology. Recently,…
View article: Deep Learning for Optical Tweezers
Deep Learning for Optical Tweezers Open
Optical tweezers exploit light--matter interactions to trap particles ranging from single atoms to micrometer-sized eukaryotic cells. For this reason, optical tweezers are a ubiquitous tool in physics, biology, and nanotechnology. Recently…
View article: Optimal calibration of optical tweezers with arbitrary integration time and sampling frequencies: a general framework [Invited]
Optimal calibration of optical tweezers with arbitrary integration time and sampling frequencies: a general framework [Invited] Open
Optical tweezers (OT) have become an essential technique in several fields of physics, chemistry, and biology as precise micromanipulation tools and microscopic force transducers. Quantitative measurements require the accurate calibration …
View article: Optimal calibration of optical tweezers with arbitrary integration time and sampling frequencies -- A general framework
Optimal calibration of optical tweezers with arbitrary integration time and sampling frequencies -- A general framework Open
Optical tweezers (OT) have become an essential technique in several fields of physics, chemistry, and biology as precise micromanipulation tools and microscopic force transducers. Quantitative measurements require the accurate calibration …
View article: Roadmap for optical tweezers
Roadmap for optical tweezers Open
Optical tweezers are tools made of light that enable contactless pushing, trapping, and manipulation of objects, ranging from atoms to space light sails. Since the pioneering work by Arthur Ashkin in the 1970s, optical tweezers have evolve…
View article: Liquid Crystal-Based Geometric Phase-Enhanced Platform for Polarization and Wavefront Analysis Techniques with the Short-TeraHertz FEL Oscillator TerRa@BriXSinO
Liquid Crystal-Based Geometric Phase-Enhanced Platform for Polarization and Wavefront Analysis Techniques with the Short-TeraHertz FEL Oscillator TerRa@BriXSinO Open
In this work, we propose to design a liquid crystal–based modular and extendable platform of cutting-edge optical technologies for studying materials based on the analysis of polarization and wavefront of light in the wavelength range of 1…
View article: Roadmap for Optical Tweezers
Roadmap for Optical Tweezers Open
Optical tweezers are tools made of light that enable contactless pushing, trapping, and manipulation of objects ranging from atoms to space light sails. Since the pioneering work by Arthur Ashkin in the 1970s, optical tweezers have evolved…
View article: Optical tweezers: theory and practice
Optical tweezers: theory and practice Open
The possibility for the manipulation of many different samples using only the light from a laser beam opened the way to a variety of experiments. The technique, known as Optical Tweezers, is nowadays employed in a multitude of applications…
View article: Optical tweezers — from calibration to applications: a tutorial
Optical tweezers — from calibration to applications: a tutorial Open
Since their invention in 1986 by Arthur Ashkin and colleagues, optical tweezers have become an essential tool in several fields of physics, spectroscopy, biology, nanotechnology, and thermodynamics. In this tutorial, we provide a primer on…
View article: Optical Tweezers: A Comprehensive Tutorial from Calibration to\n Applications
Optical Tweezers: A Comprehensive Tutorial from Calibration to\n Applications Open
Since their invention in 1986 by Arthur Ashkin and colleagues, optical\ntweezers have become an essential tool in several fields of physics,\nspectroscopy, biology, nanotechnology, and thermodynamics. In this Tutorial, we\nprovide a primer…
View article: Optical Tweezers: A Comprehensive Tutorial from Calibration to Applications
Optical Tweezers: A Comprehensive Tutorial from Calibration to Applications Open
Since their invention in 1986 by Arthur Ashkin and colleagues, optical tweezers have become an essential tool in several fields of physics, spectroscopy, biology, nanotechnology, and thermodynamics. In this Tutorial, we provide a primer on…
View article: Experimental study of the mechanisms leading to the formation of glistenings in intraocular lenses by Raman spectroscopy
Experimental study of the mechanisms leading to the formation of glistenings in intraocular lenses by Raman spectroscopy Open
The phenomenon of glistenings, often appearing in intraocular lenses (IOLs) of patients after some time from the surgical operation, is potentially able to induce a poor quality of vision and, therefore, frustrate IOL implantation itself. …
View article: Manipulating matter with light
Manipulating matter with light Open
Arthur Ashkin, with his discovery of the optical tweezers, has made possible the dream of science fiction to manipulate matter with light. The optical tweezers have opened up an extremely interesting field of science, not yet exhausted, wh…
View article: Luminescent solar concentrators: boosted optical efficiency by polymer dielectric mirrors
Luminescent solar concentrators: boosted optical efficiency by polymer dielectric mirrors Open
High dielectric contrast polymer dielectric mirrors are used to recycle non-absorbed photons in organic luminescent solar concentrators. A 10% increase in the concentrator optical efficiency is found and retained upon doubling its size pav…
View article: Experimental realization of a minimal microscopic heat engine
Experimental realization of a minimal microscopic heat engine Open
Microscopic heat engines are microscale systems that convert energy flows between heat reservoirs into work or systematic motion. We have experimentally realized a minimal microscopic heat engine. It consists of a colloidal Brownian partic…
View article: Cage Size and Jump Precursors in Glass-Forming Liquids: Experiment and Simulations
Cage Size and Jump Precursors in Glass-Forming Liquids: Experiment and Simulations Open
Glassy dynamics is intermittent, as particles suddenly jump out of the cage formed by their neighbors, and heterogeneous, as these jumps are not uniformly distributed across the system. Relating these features of the dynamics to the divers…
View article: Cell Imaging by Spontaneous and Amplified Raman Spectroscopies
Cell Imaging by Spontaneous and Amplified Raman Spectroscopies Open
Raman spectroscopy (RS) is a powerful, noninvasive optical technique able to detect vibrational modes of chemical bonds. The high chemical specificity due to its fingerprinting character and the minimal requests for sample preparation have…
View article: Step-by-step guide to the realization of advanced optical tweezers
Step-by-step guide to the realization of advanced optical tweezers Open
Since the pioneering work of Arthur Ashkin, optical tweezers have become an\nindispensable tool for contactless manipulation of micro- and nanoparticles.\nNowadays optical tweezers are employed in a myriad of applications\ndemonstrating th…
View article: A Step-by-step Guide to the Realisation of Advanced Optical Tweezers
A Step-by-step Guide to the Realisation of Advanced Optical Tweezers Open
Since the pioneering work of Arthur Ashkin, optical tweezers have become an indispensable tool for contactless manipulation of micro- and nanoparticles. Nowadays optical tweezers are employed in a myriad of applications demonstrating the i…
View article: Toward hyperuniform disordered plasmonic nanostructures for reproducible surface-enhanced Raman spectroscopy
Toward hyperuniform disordered plasmonic nanostructures for reproducible surface-enhanced Raman spectroscopy Open
The self-assembling of gold nanoparticles directed by the phase separation of poly(styrene)-b-poly(methylmethacrylate) produces a homogeneous and isotropic nanostructure with excellent SERS spatial reproducibility.