Sökning: "optical storage"
Visar resultat 21 - 25 av 98 avhandlingar innehållade orden optical storage.
21. Quasi-Single Mode VCSELs for Longer-Reach Optical Interconnects
Sammanfattning : The vertical-cavity surface-emitting laser (VCSEL) is the standard light source in optical interconnects connecting racks in supercomputers and datacenters hosting services such as online data sharing, storage and processing. VCSELs have numerous advantages such as low power consumption, fast direct modulation at low currents, circular output beam for efficient fiber coupling and low-cost fabrication. LÄS MER
22. 2D materials and conjugated small molecules: from synthesis to devices for energy applications
Sammanfattning : The main goal of the present work is to contribute to the area of renewable energy storage, through the precise engineering of 2D materials and conjugated materials. Thus, four different types of graphene-based materials and a conjugated small molecule were synthesized in order to successfully develop supercapacitors. LÄS MER
23. Nanoparticle Plasmons in Classic and Novel Materials - Fundamentals and Hydrogen Sensing
Sammanfattning : The interaction of light with sub-wavelength noble metal nanoparticles and nanostructures has developed into one of the most vibrant themes of nanoscience during the past decade. The optical properties of metal nanoparticles are dominated by so-called nanoparticle plasmons or localized surface plasmon resonances (LSPR). LÄS MER
24. Electron beam profile measurements and emittance manipulation at the MAX-laboratory
Sammanfattning : The emittances of the electron beams at the MAX-laboratory accelerator system have been studied. Apart from the build-up of the diagnostic tools for precise determination of the beam spatial profiles, the objectives have been: a) to verify the accelerator design emittances at low currents and to try to determine the emittances also at high currents; b) to investigate possibilities to manipulate the emittances. LÄS MER
25. Development of Nonlinear Microscopy for Studies of Metabolism and Tissue Engineering
Sammanfattning : Nonlinear microscopy techniques provide abilities for noninvasive and selective imaging of structural and chemical properties of biological systems. These techniques include coherent anti-Stokes Raman scattering (CARS) microscopy with the ability to selectively image molecular vibrations, second harmonic generation (SHG) microscopy which selectively images fiber structures, and third harmonic generation (THG) microscopy which is sensitive to interfaces between materials with different optical properties. LÄS MER