Sökning: "lasers"
Visar resultat 1 - 5 av 331 avhandlingar innehållade ordet lasers.
1. Compact diode-pumped solid-state lasers
Sammanfattning : Compact diode-pumped solid-state lasers (DPSSL) arecontinuously replacing traditional gas lasers as well asenabling completely new technology. However, compact and costefficient designs are required to satisfy end-user demands. Theaim of this thesis was therefore to investigate novel laserdesigns for given applications considering these demands. LÄS MER
2. Semiconductor lasers for photonic integration
Sammanfattning : .... LÄS MER
3. Concepts for compact solid-state lasers in the visible and UV
Sammanfattning : In many fields, scientific or industrial, optical devices that can be tailored in terms of spectral qualities and output power depending on the application in question are attractive. Nonlinear optics in combination with powerful laser sources provide a tool to achieve essentially any wavelength in the electromagnetic spectrum, and the advancement of material technology during the last decade has opened up new possibilities in terms of realising such devices. LÄS MER
4. Grating Based Lasers for Photonic Integration and Surface Emission
Sammanfattning : This thesis deals with the fabrication and characterization of grating-based integration-compatible semiconductor lasers. Waveguide gratings provide feedback for the laser resonators, and are used to diffract the laser output out of the waveguide for surface-emission. LÄS MER
5. Grating-Coupled Surface-Emitting Lasers -- Circular and Unstable-Resonator Geometries
Sammanfattning : This thesis deals with research in the field of grating-coupled surface-emitting lasers. The emphasis has been to study the modal behavior of lasers with two different resonator geometries: circular resonators and tapered unstable-resonators. LÄS MER