Search for dissertations about: "Anna Burvall"

Showing result 1 - 5 of 10 swedish dissertations containing the words Anna Burvall.

  2. 1. Axicon imaging by scalar diffraction theory

    Author : Anna Burvall; KTH; []
    Keywords : axicons; diffractive optics; coherence; asymptotic methods; communication modes; information content; inverse problems;

    Abstract : Axicons are optical elements that produce Bessel beams,i.e., long and narrow focal lines along the optical axis. Thenarrow focus makes them useful ine. READ MORE

  4. 2. Phase-Contrast X-Ray Imaging of Complex Objects

    Author : Ilian Häggmark; Hans Hertz; Anna Burvall; Henning Friis Poulsen; KTH; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Fysik; Physics; Biological and Biomedical Physics; Biologisk och biomedicinsk fysik;

    Abstract : X-ray imaging is a group of techniques using electromagnetic radiation of high energy. The ability to quickly visualize internal structures in thick opaque objects has made it an indispensable tool in research, medicine, and industry. READ MORE

  5. 3. Small-Animal Imaging with Liquid-Metal-Jet X-Ray Sources

    Author : Daniel Larsson; Hans Hertz; Anna Burvall; David Paterson; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; X-ray; x-ray imaging; small animal; phase contrast; tomography; Fysik; Physics;

    Abstract : Small-animal x-ray imaging is an important tool for medical research. The penetration power of x-rays makes it possible to investigate the 3D structure of small animals and other thick biological samples by computed tomography (CT). READ MORE

  6. 4. Laboratory x-ray fluorescence tomography

    Author : Jakob C. Larsson; Hans Hertz; Anna Burvall; Ulrich Vogt; Norbert Pelc; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; x-ray; fluorescence; x-ray fluorescence; nanoparticle; xrf; xfct; tomography; Fysik; Physics;

    Abstract : X-ray fluorescence (XRF) tomography is an emerging bio-imaging modality with potential for high-resolution molecular imaging in 3D. In this technique the fluorescence signal from targeted nanoparticles (NPs) is measured, providing information about the spatial distribution and concentration of the NPs inside the object. READ MORE

  7. 5. Phase-Contrast X-Ray Carbon Dioxide Angiography

    Author : Ulf Lundström; Hans Hertz; Anna Burvall; Ulrich Vogt; Franz Pfeiffer; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Phase-contrast x-ray imaging is an emerging technology, which allows for imaging of smaller features than conventional absorption-based x-ray imaging, with lower radiation dose. Instead of the attenuation that is normally used in x-ray imaging, it utilizes the phase shift introduced by an object to the transmitted x-rays. READ MORE