Browsing Institutt for elektroniske systemer by Subject "Elektronikk, Nanoelektronikk og fotonikk"
Now showing items 1-20 of 25
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A rangefinder for measuring vibrations of structures - Optical-FMCW interferometry
(Master thesis, 2014)The optical Frequency Modulated Continuous Wave (FMCW) technique along with utilizing the Doppler shift was investigated for the application of monitoring distance to and oscillation of a bridge. The equipment was borrowed ... -
Comparison of Principal Component Analysis and Spectral Angle Mapping for Identification of Materials in Terahertz Transmission Measurements
(Master thesis, 2015)The terahertz range of the electromagnetic spectrum ranges from 0.1 to 10 THz, and has some unique properties which make it interesting for security applications. The identification of a range of dangerous substances is ... -
Design, fabrication and characterisation of silicon nitride nanophotonic biosensor components
(Master thesis, 2016)This master thesis is dedicated to silicon photonic components; their design, fabrication and characterisation. Waveguides are the fundamental component in the new and exciting field of interferometric biosensors. Their ... -
DFT studies of BaTiO3 interfaces
(Master thesis, 2016)This thesis has explored some of the nuances of Density Funtional Theory, ferroelectricity and oxide perovskites, BaTiO$_3$ in particular. The effects of strain and crystal orientation on phase diagram and polarization in ... -
Fabrication of GaSb-based Y-junction Laser for Gas Spectroscopy
(Master thesis, 2015)Trace gas detection and pollution monitoring are becoming increasingly important for human safety and conservation of the environment. GaSb based semiconductor diode lasers, emitting in the mid-infrared wavelength region ... -
Fabrication of Multiferroic Tunnel Junctions on (111)-oriented SrTiO3
(Master thesis, 2016)The phenomenon of quantum mechanical electron tunneling is widely used in device technology, of which magnetic tunnel junctions (MTJ) have been important for many years and ferroelectric tunnel junctions (FTJ) are becoming ... -
Facet coating on mid-IR laser diodes
(Master thesis, 2014)For this project laser diodes facets have been coated with HR-coating, PHR-coating, and AR-coating. Three lasers have been coated, all had HR-coating on one facet, the other facet was uncoated for one laser, PHR-coated for ... -
Generation, and nonlinear Parameter Estimation, of Reflection Spectra from an Intravascular Fabry-Perót Sensor, for detecting Temperature and Glucose Concentrations
(Master thesis, 2017)GlucoSet AS has developed an intravascular Fabry-Perót (FP) glucose sensor. The sensor consists of a hydrogel cast on an optical fiber cut, representing a low finesse FP cavity. The cavity changes length with respect to ... -
Homogenizing metamaterials by the plane wave expansion method
(Master thesis, 2017)Increasingly complex metamaterial structures has revitalized the interest in homogenization and effective medium theories, with the intention of finding better ways to model and understand their electromagnetic complexity. ... -
Hyperspectral Analysis of Plastic Particles in the Ocean
(Master thesis, 2016)Huge amounts of plastics end up in the ocean each year. Some of the plastics are eaten by fish and birds, and can cause death. It is important to find an easy, fast and reliable method to detect the plastics, as a first ... -
Imaging of biological samples using UV light determination of fluorescence yield
(Master thesis, 2014)A procedure on how to extract intrinsic fluorescence, i.e. fluorescence only due to fluophores, out of biological samples by imaging is given. Measurement of fluorescence of biological tissue will generally be distorted ... -
Optical and Electrical studies of GaAs Nanowire arrays on Si substrates
(Master thesis, 2015)Syv ulike prøver bestående av GaAs/AlGaAs grodd ved den selvkatalyserte teknikken har blitt analysert ved bruk av elektron mikroskopi og fotoluminsense spectroskopi. Målet var å optimalisere veksten ved å finne en fri ... -
Optical Characterization of GaAs Nanowires Using Specular Mueller Matrix Ellipsometry
(Master thesis, 2015)The purpose of this thesis is to preform ellipsometric measurements to investigate the possibility of in situ characterization of nanowire growth. This will give an advantage for scientist in the future when growing nanowires ... -
Optoelectrical Sensors for Monitoring of Oxygen- and Phototherapy
(Master thesis, 2016)This thesis is devoted to the design of two optoelectronic sensors systems to monitor the treatment of jaundice by phototherapy and conditions such as chronic obstructive pulmonary disease with oxygen therapy. ... -
Processing Techniques for Dilute Nitride Gallium Arsenide Intermediate-Band Solar Cell Structures
(Master thesis, 2016)A solar cell processing procedure is calibrated for dilute nitride GaAs intermediate band solar cell structures, and applied to a reference GaAs cell. The processing consists of front and backside contact metalization, a ... -
Registration in hyperspectral and multispectral imaging
(Master thesis, 2017)Hyperspectral (HSI) and Multispectral (MSI) images consist of multiple images taken at different wavelengths (bands), often at different times. Analysis of these images require high accuracy of correlation between the ... -
Silicon Nitride Waveguide Mach-Zehnder Interferometer Biosensor - Processing of a Biosensor and Investigation of Biofunctionalization
(Master thesis, 2016)The main part of the project is devoted to processing of a MZI waveguide structure using silicon on insulator technology which is carried out at the NTNU NanoLab. MZI is a common interferometry technique that suits bio-sensing ... -
Spectral diagnostics and characterization of atopic dermatitis in children's health - A Hyperspectral Imaging System using an Acousto-Optic Tunable Filter
(Master thesis, 2017)Hyperspectral imaging with high spectral and spatial resolution can be used to analyse material using spectroscopic methods. This technique can be applied to human tissue as a general purpose diagnostics tool and as an aid ... -
Studying temperature effects in resistors for the Orbit NTNU CubeSat
(Master thesis, 2018)This study has investigated the temperature coefficients of a selection of different resistors. A large enough number was measured to give it statistical significance. A Python 3 program was developed to acquire measurements ... -
Synthesis and Characterization of multiferroic epitaxial Perovskite Oxide thin Film Heterostructures - Implications of [111] epitaxy of STO, BTO and LSMO
(Master thesis, 2014)A surge of research on perovskite oxide heterostructures has been excited by the invention of deposition techniques, such as pulsed laser deposition and the need for novel solutions in order to sustain Moores rate for ...