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Visar resultat 1 - 5 av 20 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Resonant Laser Techniques for Combustion and Flow Diagnostics

    Författare :Rolf Fritzon; Förbränningsfysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; species; laser diagnostic techniques; temperature imaging; polarization spectroscopy; stimulated emission; DFWM; Fysik; Physics; turbulent mixing; LIF; Fysicumarkivet A:1998:Fritzon;

    Sammanfattning : This thesis presents results from two areas of research. Firstly, the resonant coherent laser techniques polarization spectroscopy (PS), degenerate four-wave mixing (DFWM) and stimulated emission (SE) have been developed in the general field of combustion diagnostics. LÄS MER

  3. 2. Properties of Rydberg matter studied by photon-matter interactions using lasers

    Författare :Shahriar Badiei; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Rydberg matter clusters; Rydberg states; Time-of-flight; Coulomb explosion; multiphoton ionization; stimulated emission;

    Sammanfattning : .... LÄS MER

  4. 3. Development and application of ultra-sensitive fluorescence spectroscopy and microscopy for biomolecular interaction studies

    Författare :Lei Xu; Jerker Widengren; Gerhard Schütz; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; single molecule spectroscopy; fluorescence correlation spectroscopy; stimulated emission microscopy; cancer; biomolecular interaction; co-localization; Biological Physics; Biologisk fysik;

    Sammanfattning : This thesis describes the development of sensitive and high-resolution fluorescence spectroscopic and microscopic techniques and their application to probe biomolecules and their interactions in solution, lipid membrane model systems and in cells. Paper I-IV are largely focused on methodological developments. LÄS MER

  5. 4. Super resolution optical imaging – image analysis, multicolor development and biological applications

    Författare :Daniel Rönnlund; Jerker Widengren; Christian Eggeling; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Stimulated emission depletion STED microscopy; nanoscopy; multicolor; image analysis; diagnostics; cancer; metastasis; Biological Physics; Biologisk fysik;

    Sammanfattning : This thesis focuses on super resolution STED optical imaging. STED provides a wealth of new informational content to the acquired images by using stimulated emission to surpass the diffraction limit in optical fluorescence microscopy. LÄS MER

  7. 5. Automating STED microscopy for functional and structural live-cell imaging

    Författare :Jonatan Alvelid; Ilaria Testa; Eggeling Christian; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; STED; microscopy; nanoscopy; super-resolution microscopy; automation; image analysis; fluorophores; Biologisk fysik; Biological Physics;

    Sammanfattning : Optical microscopy imaging methods are today invaluable tools for studies in life sciences as they allow visualization of biological systems, tissues, cells, and sub-cellular compartments from millimetres down to nanometres. The invention and development of nanoscopy in the past 20 years has pushed fluorescence microscopy down to the nanoscale, reaching beyond the natural diffraction limit of light that does not allow focusing of visible light below sizes of around 200 nm, and into the realm of what was previously only thought possible with electron microscopy. LÄS MER