Applied Physics B

, Volume 71, Issue 1, pp 19–25

Passively mode-locked high-power Nd:YAG lasers. with multiple laser heads

  • G.J. Spühler
  • T. Südmeyer
  • R. Paschotta
  • M. Moser
  • K.J. Weingarten
  • U. Keller
Article

DOI: 10.1007/PL00021154

Cite this article as:
Spühler, G., Südmeyer, T., Paschotta, R. et al. Appl Phys B (2000) 71: 19. doi:10.1007/PL00021154

Abstract.

We discuss power scaling of passively mode-locked lasers using multiple laser heads in the resonator. We experimentally compared two different approaches for the cavity design, both using three side-pumped Nd:YAG laser heads. We obtained a record-high average output power of up to 27 W with close to diffraction-limited beam quality, a pulse duration of 19 ps, a pulse energy of 0.5 μJ, and 23 kW peak power. Single-pass second-harmonic generation in a 10-mm-long LBO crystal yields 16.2 W of 532-nm radiation.

PACS: 42.55.Xi; 42.60.Fc

Copyright information

© Springer-Verlag 2000

Authors and Affiliations

  • G.J. Spühler
    • 1
  • T. Südmeyer
    • 1
  • R. Paschotta
    • 1
  • M. Moser
    • 2
  • K.J. Weingarten
    • 3
  • U. Keller
    • 1
  1. 1.Ultrafast Laser Physics, Institute of Quantum Electronics, Swiss Federal Institute of Technology, ETH Hönggerberg – HPT, 8093 Zürich, Switzerland (Fax: +41-1/633-1059, E-mail: spuehler@iqe.phys.ethz.ch)CH
  2. 2.Centre Suisse d’Electronique et de Microtechnique-Zürich, Badenerstrasse 569, 8048 Zürich, SwitzerlandCH
  3. 3.Time-Bandwidth Products, Inc., Technoparkstrasse 1, 8005 Zürich, SwitzerlandCH