Power Scaling of Nonlinear Frequency Converted Tapered Diode Lasers for Biophotonics

Ole Bjarlin Jensen, Anders Kragh Hansen, A. Müller, Bernd Sumpf, Angelika Unterhuber, Wolfgang Drexler, Paul Michael Petersen, Peter E. Andersen

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Abstract

Diode lasers have proven to be versatile light sources for a wide range of applications. Nonlinear frequency conversion of high brightness diode lasers has recently resulted in visible light power levels in the watts range enabling an increasing number of applications within biophotonics. This review provides an overview of the developments within nonlinear frequency converted high power laser diodes in the visible spectral range. Single-pass nonlinear frequency doubling is presented as a nonsophisticated method to achieve watt-level output powers and possible routes to higher power and efficiency are included. Application examples within pumping of mode-locked Ti:sapphire lasers and implementation of such lasers in optical coherence tomography are presented showing the application potential of these lasers.
Original languageEnglish
Article number7100515
JournalI E E E Journal on Selected Topics in Quantum Electronics
Volume20
Issue number2
Number of pages15
ISSN1077-260X
DOIs
Publication statusPublished - 2014

Bibliographical note

(c) 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

Keywords

  • Biophotonics
  • Diode lasers
  • Laser applications
  • Nonlinear frequency conversion
  • Nonlinear optics
  • Optical coherence tomography
  • Optical mixing
  • Second harmonic generation
  • Semiconductor lasers
  • Sum frequency generation
  • Ti:sapphire lasers
  • Ultrafast lasers

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