Browsing by Subject "535"

3D surface shape measurement using stereoscopic camera based structured light systems

Zhang, Haolin (Date of defense: 2019-11-29)

La mesura estructurada de la llum ens permet obtenir una forma tridimensional de superfície d’un objecte amb una gran precisió. Així, troba aplicacions àmplies en aplicacions industrials. A més, projectant patrons de franja ...

Active control of surface plasmons in hybrid nanostructures

Randhawa, Sukanya (Date of defense: 2012-12-04)

Plasmonics nanostructures are becoming remarkably important as tools towards manipulating photons at the nanoscale. They are poised to revolutionize a wide range of applications ranging from integrated optical circuits, ...

Adaptive self-mixing interferometry for metrology applications

Atashkhooei, Reza (Date of defense: 2013-11-4)

Among the laser based techniques proposed for metrology applications, classical interferometers offer the highest precision measurements. However, the cost of some of the elements involved and the number of optical components ...

Addressing emerging paradigms in chemical analysis: new platforms for wearable and decentralized sensors

Guinovart Pavón, Tomàs de Aquino (Date of defense: 2015-10-23)

L’objectiu principal d’aquesta tesi és l’exploració de noves fronteres en l’àrea de sensors químics. Primerament, a través del desenvolupament de nous enfocs per construir sensors químics vestibles. Seguidament, a través ...

Advanced Plasmonic Nanosensors for the SERS Ultradetection of Non-Conventional Analytes

Zorlu, Tolga (Date of defense: 2023-05-08)

L'espectroscòpia Raman millorada a la superfície (SERS) és una tècnica d'espectroscòpia basada en les observacions de Raman i Krishnan fa gairebé un segle i derivada dels fenòmens que van presentar. En la seva forma més ...

All optical manipulation of a single nitrogen-vacancy centre in nanodiamond

Geiselmann, Michael Wolfgang (Date of defense: 2014-04-10)

The efficient interaction of photons with single quantum emitters like nitrogen vacancy (NV) centres is essential for the elaboration of future integrated quantum optical devices. A promising strategy towards this goal ...

Analysis and degradation mechanisms of enamels, grisailles and silver stains on Modernist stained glass.

Beltrán González, Martí (Date of defense: 2021-01-22)

Materials and methods used in the production of modernist (late 19th and early 20th century) stained glass from the city of Barcelona with special regards to the degradation mechanisms of enamels, grisailles and silver ...

Analysis and design of an edge-technique-based Doppler wind lidar: practical assessment of a laboratory prototype

Muñoz Porcar, Constantino (Date of defense: 2013-02-22)

This thesis is the initial stage in the development of a range-resolving Doppler wind lidar. Atmospheric lidars emit pulsed laser radiation that after being scattered by air molecules and suspended aerosol particles is ...

Analysis of the Interaction of Halide Perovskite with Other Materials and its Effect on the Performance of Optoelectronic Devices

Ngo, Thi Tuyen (Date of defense: 2019-11-20)

Halide perovskites (HPs) have been demonstrated as promising materials for the preparation of efficient solar cells, LEDs and other optoelectronic devices. In addition, HPs can be prepared using low-cost techniques. However ...

Análisis de la influencia de las aberraciones del sistema difractor en el reconocimiento de imágenes por correlación óptica

Pérez Tudela, Julio (Date of defense: 2006-07-12)

Dentro de la denominación --reconocimiento de formas' se engloban todos aquellos métodos mediante los cuales es posible detectar la presencia de una determinada imagen (referencia) dentro de otra (escena). Del conjunto de ...

Aptamer Biosensors Engineering based on Reflectometric Interference Spectroscopy in Nanoporous Anodic Alumina

Pol Aira, Laura (Date of defense: 2020-07-13)

Els últims avenços en recerca biomèdica han generat la necessitat de nous mètodes analítics. Els biosensors van sorgir com una eina extremadament útil per desenvolupar nous mètodes d'anàlisi. Després dels primers ...

Assessment of color quality and energy effciency : new insights for modern lighting. Part I : color quality in general lighting applications. Part II : mesopic photometry and street lighting

Quintero, Jesús M. (Date of defense: 2015-02-19)

This dissertation is divided in two parts: The first one deal with two main characteristics of the light sources for general lighting: Color quality and luminous efficacy. The second one deals with technical aspects of the ...