Now showing items 30-49 of 242

    Desarrollo y validación de una plataforma optofluídica ultrasensible para la detección especifíca y selectiva de mercadores tumorales en oncología 

    Ortega. M, María A. (Date of defense: 2015-11-11)

    Nowadays cancer is a devastating illness, so its early diagnosis could represent a powerful advantage in the struggle to eradicate it. The most recent technologies allowed the development of sensing platforms that led to ...

    Detection of a single erbium ion in a nanoparticle 

    Deshmukh, Chetan (Date of defense: 2022-04-29)

    Encoding information into quantum mechanical properties of a system can lead to applications many fields, including computing and communication. Devices that will enable these applications could be part of a quantum network ...

    Detection of particles, bacteria and viruses using consumer optoelectronic components 

    Hussain, Rubaiya (Date of defense: 2022-07-01)

    The focus of this thesis is on the design, development and validation of two novel photonic sensors for the detection and characterisation of industrial and biological samples. The first one is a PSA in a collimated beam ...

    Deterministic control of nanoantenna and single-photon emitter interaction at the nanoscale 

    Palombo Blascetta, Nicola (Date of defense: 2021-03-24)

    The study of light-matter interaction at the nanoscale is a very promising field of research, providing the possibility to manipulate the interaction with single quantum systems like single atoms, molecules, atomic defects ...

    Development and application of localization-based microscopy methods to study the structure and dynamics of chromatin through the process of cellular differentiation 

    Gómez García, Pablo (Date of defense: 2020-04-24)

    Recent advancements in single-molecule localization-based microscopy have made it possible to visualize biological structures and dynamic processes within the cell with unprecedented spatial resolution. Determining the ...

    Development and study of novel mid-infrared frequency conversion sources 

    Nandy, Biplob Kumar (Date of defense: 2020-12-02)

    Tunable narrow-linewidth and broadband laser sources in the mid-infrared (mid-IR) wavelength range are extremely desirable in all time scales for their several useful applications in spectroscopy, imaging, optical communication ...

    Development of a high intensity Mid-Ir OPCPA pumped by a HO:YLF amplifier 

    Sánchez Peacham, Daniel Alexander (Date of defense: 2020-01-27)

    The continuous development of laser sources delivering ultra-short light pulses underpins much of the current progress in experimental science, particularly in the domain of physics concerned with strong-field phenomena. ...

    Development of novel imaging tools for selected biomedical applications 

    Olarte, Omar E. (Date of defense: 2014-03-20)

    In the quest for better and faster images of cellular and subcellular structures, biology-oriented optical microscopes have advanced significantly in the last few decades. Novel microscopy techniques such as non-linear ...

    Development of novel multimodal light-sheet fluorescence microscopes for in-vivo imaging of vertebrate organisms 

    Bernardello, Matteo (Date of defense: 2022-06-14)

    The observation of biological processes in their native environments is of critical importance for life science. While substantial information can be derived from the examination of in-vitro biological samples, in-vivo ...

    Device-independent certification of quantum resources 

    Supic, Ivan (Date of defense: 2018-09-19)

    The last two decades have been a very fruitful period for the fundamental research related to quantum information theory. Today we have a fairly good understanding of how intrinsically quantum properties affect various ...

    Device-independent information protocols: measuring dimensionality, randomness and nonlocality 

    Gallego López, Rodrigo (Date of defense: 2013-02-22)

    The device-independent formalism is a set of tools to analyze experimental data and infer properties about systems, while avoiding almost any assumption about the functioning of devices. It has found applications both in ...

    Diffuse optical monitoring of cerebral hemodynamics in experimental and clinical neurology 

    Blanco Núñez, Igor D. (Date of defense: 2015-01-31)

    The study of the brain using diffuse optical methods has progressed rapidly in the recent years. The possibility of studying the cerebral microvasculature in addition to the portability and low cost of these devices, opens ...

    Discerning between thermal and electronic effects in plasmonenhanced organic reactions 

    Bordacchini, Ivan (Date of defense: 2020-10-30)

    Since the pioneering work of Fujishima and Honda on titanium dioxide, TiO2, for the electrochemical photolysis of water under ultraviolet (UV) irradiation, semiconductor-based photocatalysis and photovoltaics have become ...

    Double resonant character in an optical cavity for high performance and stable polymer solar cells 

    Liu, Quan (Date of defense: 2018-03-23)

    Solution-processed thin film solar cells emerged as very promising photovoltaic technologies suitable for a low cost roll-to-roll upscale production. Such thin film character also ensures lightweight and flexibility for ...

    Dynamics of optically levitated nanoparticles in high vacuum 

    Gieseler, Jan (Date of defense: 2014-02-03)

    Nanotechnology was named one of the key enabling technologies by the European Commission and its tremendous impact was envisioned early by 20th century physicist R.Feynman in his now oft-quoted talk "Plenty of Room at the ...

    Dynamics of quantum mixtures 

    Guenther, Nils Eric (Date of defense: 2021-09-08)

    At sufficiently low temperatures, fluids of bosonic particles may undergo a phase transition, below which a Bose-Einstein condensate (BEC) forms. The BEC is one of the most fundamental concepts in many-body quantum physics ...

    Dynamics of spinor fermions 

    Ebling, Ulrich (Date of defense: 2014-11-03)

    Ultracold atomic gases have established themselves as quantum systems, which are clean and offer a high degree of control over crucial parameters. They are well isolated from their environment and thus offer the possibility ...

    Eco-friendly solar cells with cation-engineered AgBiS2 nanocrystals 

    Wang, Yongjie (Date of defense: 2023-02-23)

    (English) Climate change and global energy demand urge the development of renewable energy sources for worldwide power supply. Photovoltaic devices that convert solar energy directly into electricity are the most promising, ...

    Electron re-collision dynamics in strong mid-IR fields for diffraction imaging of molecular structure and its fragmentation 

    Wolter, Benjamin (Date of defense: 2018-02-26)

    One of the grand challenges of modern science is to image chemical reactions and biological functions while they are taking place. To realize these molecular movie, experimental techniques need to resolve the relevant ...

    Elliptically polarized light for depth resolved diffuse reflectance imaging in biological tissues 

    Sridhar, Susmita (Date of defense: 2016-10-05)

    Polarization gating imaging is a popular and widely used imaging technique in biomedical optics to sense tissues, deeper volumes, and also selectively probe sub-superficial volumes. Due to the "polarization memory" effect ...