Infrared lasers with novel geometries

Identifier:  TDX:4353

Handle: https://hdl.handle.net/20.500.11797/TDX4353

Authors:  Alles Leal, Adrian

Abstract:
The development of laser light sources is continuously growing where historically efforts have focused on increasing laser power and reducing cost per watt by using only certain wavelengths in the electromagnetic spectrum. A part of this thesis focused on the characterization of materials for the development of new compact lasers, generating emissions at different wavelengths of ~1.06 um for Yb3+ and ~1.95 um for Tm3+; in continuous wave; and both at room temperature and cryogenic. This work intends to contribute in a relevant way to a solution that involves the development of compact lasers that operate at 1 micron and around 2 microns with high level performance. The novelty lies mainly in the spectral range of 2 microns and the cooling strategy of the laser crystal to achieve the desired results. Finally, from the knowledge acquired and due to the potential of high-power infrared lasers, with novel geometries, it was applied to a study on additive manufacturing, opening new research opportunities, and improving the properties of existing devices and reducing manufacturing costs, as well as new light sources. The preliminary results obtained will serve as the basis and continuation of future projects in the line of photonics and advanced manufacturing systems of the Eurecat technology center.