CV Lattes
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Universidade de São Paulo (USP). Escola de Engenharia de São Carlos (EESC) (Institutional affiliation from the last research proposal) Birthplace: Brazil
Leonardo A. Ambrosio received the B.Sc., M.Sc. and the Ph.D. degrees in Electrical Engineering from University of Campinas, School of Electrical and Computer Engineering, Campinas, Brazil, in 2002, 2005 and 2009, respectively. Between 2009 and 2013 he was a postdoctoral Fellow with the Department of Microwaves and Optics at the School of Electrical and Computer Engineering, University of Campinas (Unicamp), and developed part of his research at the University of Pennsylvania, Philadelphia, USA. His research interests include Photonics, light-scattering problems for optical trapping and manipulation, metamaterials and plasmonics for optical nano-circuits and microstructures light fields and modelling of non-diffracting beams envisioning applications in biomedical optics, telecommunications, holography, volumetric displays and atom guiding. His current research projects merge the aforementioned topics, with emphasis on microstructured beams and non-diffractive waves for trapping and micromanipulation of micro and nanometric particles (conception of new exotic beams for optical trapping and development of algorithms and applications for electromagnetic simulation in problems of light scattering). Recently, he started a line of research in brain-computer interfaces for entertainment, games and the metaverse, envisioning mind control of three-dimensional volumetric displays. Link to MyCitations: http://scholar.google.com.br/citations?user=y_hjUREAAAAJ&hl=en&oi=ao (Source: Lattes Curriculum)
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This project aims at investigating, both theoretically and experimentally, a class of structured non-diffracting waves - also known as Frozen Waves (FWs) - as light beams for new techniques in holographic projection and as alternative trapping beams in optical tweezers systems and in new designs of photophoretic traps in optical trap displays (OTDs). Being arbitrarily modeled in the centi…
Several national and international research groups have been involded with theoretical, numerical and experimental analysis on nondiffracting waves in acoustics, microwaves and optics, biomedical optics, medicine and even in particle physics and gravitational waves. In particular, we have become specialized in specific classes of nondiffracting beams since the first theoretical and practi…
(Only some records are available in English at this moment)
The main purpose of this Scientific Initiation (IC) project is to study machine learning-based binary classification methods and to develop algorithms in Python, Matlab or Julia for such classifications, with validation tests applied directly to brain signals acquired through a non-invasive brain-computer interface (BCI) based on electroencephalography (EEG) signal acquisition and motor i…
This project aims to calculate the optical gradient and scattering forces exerted over dipolar particles by a class of structured beams known as continuous Frozen Wave (FW). A continuous FW is constructed by an appropriate integration of Bessel modes, with a longitudinal wave number spectrum chosen in such a way as to reproduce, along the optical axis of the beam, an axial intensity patte…
This project aims at the theoretical study and subsequent development of algorithms in the Julia programming language for calculating acoustic forces exerted on isotropic and homogeneous spherical particles by ultrasonic Bessel beams. To this end, the schedule will consist of: (i) stages of literature review and theoretical studies in acoustic waves, continuity equations of mass and Navie…
Non-invasive brain-computer interfaces (BCIs) based on electroencephalography (EEG) signal acquisition require the use of neural helmets constructed by placing sensors/electrodes on the scalp in specific spatial arrangements, such as the 10-20 System, with the aim of assessing neural activity in the cerebral cortex. The acquired EEG signals undergo (pre-)digital processing, followed by fe…
This project proposes the study of methods for generating three-dimensional images using a specific class of volumetric displays known as swept-volume displays(swept-volume), based of LED arrays. It also aims to develop algorithms that can be used not only for generation but also for spatial control of the images using binary commands, such as resizing, clockwise/counterclockwise rotation…
The determination of the Beam Shape Coefficients (BSCs) of partial wave expansions of velocity potentials for acoustic scattering is a crucial step for building acoustic force-based volumetric displays. Such BSCs are, therefore, necessary for reliably predicting acoustic forces exerted by the corresponding pressure field. Therefore, a numerical simulation algorithm will be developed with …
(Only some records are available in English at this moment)
This project aims to further explore the ongoing collaboration between the candidate and the MIT advisors on developing a set of tools for distributed array manipulation exploring the Message Passing Interface (MPI) back-end of the Dagger.jl package included in the Julia programming language. The internship period will focus on expanding and completing the MPI sub-package of Dagger.jl and…
Nondiffracting waves constitute a solid and fruitful national theoretical and experimental research field, with a variety of current studies in Physics and Electrical Engineering, viz. acoustics, microwaves and optics, free space communication, remote sensing, optical alignment, biomedical optics, medicine and so on. In particular, significant theoretical investigation have been recently …
This research project intends to fulfill our current needs for a more intense research on the topics in development under the post-doc grant provided by Fapesp during the last two years. It presents, as its main goal, the reasons why an internship abroad would be of fundamental importance, the objectives to be achieved during the period considered here, and the expectations regarding the …
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| 23 / 19 | All research grants and scholarships |
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