Broad-area laser bars for 1 kW-emission : demonstrating increased efficiency and narrowed far field / / Matthias M. Karow

• Autore: Karow Matthias M.
• Pubblicazione: Göttingen : , : Cuvillier Verlag, , [2022]; ©2022
• Edizione: 1st ed.
• Descrizione fisica: 1 online resource (143 pages)
• Disciplina: 543.0858
• Soggetto topico: Emission spectroscopy
• Nota di contenuto: Intro -- Abstract -- 1. Introduction -- 1.1. The global laser market -- 1.2. State of the art -- 1.3. Structure of this work -- 2. Theoretical Background -- 2.1. Concept and physics of broad-area laser bars -- 2.2. Definition and governing effects of beam quality in broad-area lasers -- 2.3. Strained diode-laser chips -- 2.4. Thermal aspects of diode-laser operation -- 3. Experimental Methods -- 3.1. Fabrication of broad-area laser bars -- 3.2. Characterization techniques -- 4. Diode-Laser Bars for Highly Efficient 1 kW-Emission -- 4.1. Vertical structure for high-efficiency operation -- 4.2. Thermal transient -- 4.3. Varied resonator length -- 4.4. Impact of the lateral design -- 4.5. Conclusions -- 5. Efficient 1 kW-Emitting Bars Exhibiting Narrow Far Field -- 5.1. Mechanical chip deformation (bar smile) -- 5.2. Emitter cross heating -- 5.3. Bar edge emitters -- 5.4. Emitter sub-structure -- 5.5. Conclusions -- 6. Conclusions and Outlook -- Appendices -- A. Beam-Path Calculation Using the Matrix Formalism -- B. Thermal Wavelength Dependence of Longitudinal Modes -- Bibliography -- Public ContributionsPublic Contributions -- Acknowledgements -- Biographical Sketch.
• Titolo autorizzato: Broad-area laser bars for 1 kW-emission
• ISBN: 9783736966260; 9783736976269
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910808816203321
• Lo trovi qui: Univ. Federico II
• Serie: Innovationen mit Mikrowellen und Licht. Forschungsberichte aus dem Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik