|
|
|
|
|
|
|
|
1. |
Record Nr. |
UNINA9910808816203321 |
|
|
Autore |
Karow Matthias M. |
|
|
Titolo |
Broad-area laser bars for 1 kW-emission : demonstrating increased efficiency and narrowed far field / / Matthias M. Karow |
|
|
|
|
|
|
|
Pubbl/distr/stampa |
|
|
Göttingen : , : Cuvillier Verlag, , [2022] |
|
©2022 |
|
|
|
|
|
|
|
|
|
ISBN |
|
9783736966260 |
9783736976269 |
|
|
|
|
|
|
|
|
Edizione |
[1st ed.] |
|
|
|
|
|
Descrizione fisica |
|
1 online resource (143 pages) |
|
|
|
|
|
|
Collana |
|
Innovationen mit Mikrowellen und Licht. Forschungsberichte aus dem Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik ; ; v.70 |
|
|
|
|
|
|
|
|
Disciplina |
|
|
|
|
|
|
Soggetti |
|
|
|
|
|
|
Lingua di pubblicazione |
|
|
|
|
|
|
Formato |
Materiale a stampa |
|
|
|
|
|
Livello bibliografico |
Monografia |
|
|
|
|
|
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. |
|
|
|
|
|
|
|