Search for dissertations about: "optical reflectometry"

Showing result 1 - 5 of 10 swedish dissertations containing the words optical reflectometry.

  1. 1. Increased Functionality of Optical Fibers for Life-Science Applications

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Azizahalhakim Sudirman; KTH.; [2014]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Fiberoptics; microstructured fiber; fiber - based optofluidics; laser ablation; microfluidics; reflectometry; fluorescence detection; fiber - based spectroscopy; Physics; Fysik;

    Abstract : The objective of this thesis work is to increase the functionality of optical fibers for possible applications in life-sciences. Optical fibers are a promising technology for use in biology and medicine. They are low-costwaveguides, flexible and have a small cross-section. They can guide high-power light with low loss in a micrometer core-size. READ MORE

  2. 2. Fiber optic parametric amplifiers in single and multi wavelength applications

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Thomas Torounidis; [2006]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fiber optical parametric amplifiers; optical time division multiplexing; highly nonlinear fiber; pulse generation; wavelength division multiplexing; optical time domain reflectometry.; four-wave mixing; cross-gain saturation; optical gain and bandwidth; transmission;

    Abstract : This thesis describes fiber optical parametricamplifiers (FOPAs) used in single- and multi-wavelength channel applications.The FOPA was operated as a pulse source in optical transmission systems at bit rates of 10-160 Gb/s. It was evaluated in terms of bit error rate after transmission with link lengths up to 650 km. READ MORE

  3. 3. Surface Force and Friction effects of adsorbed layers and surface topography

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Xiaoyan Liu; KTH.; [2014]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Friction; nanotribology; surface forces; diblock copolymer; lipid; QCM-D; AFM; optical reflectometry; neutron reflectivity; X-ray reflectivity; micro-patterned surface; Kemi; Chemistry;

    Abstract : Interfacial features of polymers are a complex, fascinating topic, and industrially very important. There is clearly a need to understand interactions between polymer layers as they can be used for controlling surface properties, colloidal stability and lubrication. The aim of my Ph. READ MORE

  4. 4. Fibre Bragg Gratings Characterization, Realization and Simulation

    University dissertation from Stockholm : KTH

    Author : Ingemar Petermann; KTH.; [2007]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Bragg gratings; optical fibres; optical fibre components; NATURAL SCIENCES Physics; NATURVETENSKAP Fysik;

    Abstract : The main topic of this thesis is realization and characterization of fibre Bragg gratings.A novel versatile grating fabrication technique is developed and a number of gratings are realized, showing the potential of the system. READ MORE

  5. 5. The effect of nano-confinement on hydrogen uptake in metallic superlattices

    University dissertation from Uppsala : Uppsala University

    Author : Sotirios A. Droulias; Uppsala universitet.; [2018]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : The absorption of hydrogen is exothermic in vanadium whereas it is endothermic in iron and chromium. Investigations of the hydrogen uptake within Fe/V(001) and Cr/V(001) superlattices allow therefore a detailed exploration of finite size effects and the influence of boundaries on hydrogen absorption. READ MORE