Broad-Area Laser Bars for 1 kW-Emission Demonstrating increased efficiency and narrowed far field.

Bibliographic Details
Call Number:Libro Electrónico
Main Author: Karow, Matthias M.
Format: Electronic eBook
Language:Inglés
Published: Göttingen : Cuvillier Verlag, 2022.
Series:Innovationen mit Mikrowellen und Licht. Forschungsberichte aus dem Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik.
Subjects:
Emission spectroscopy.
Spectroscopie d'émission.
Emission spectroscopy
Online Access:Texto completo
Table of Contents:
  • 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

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