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Proceedings Paper

Diode-pumped monolithic miniature Nd:YAG ring lasers operating at output powers of several watts
Author(s): Ingo Freitag; Andreas Tuennermann; Herbert Welling
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Paper Abstract

Substantial progress in power scaling of diode-pumped monolithic Nd:YAG ring lasers is reported. By using a new crystal geometry with a negative curved front facet the thermally induced lens inside the active medium is partially compensated. Applying this design single-frequency operation at 1064 nm is observed at output powers of more than 1.8 W cw. Coherent superposition of the radiation from two miniature ring lasers is achieved by injection locking of these systems. Amplitude and frequency stability of the miniature ring lasers will be discussed for the free-running and the injection-locked laser systems.

Paper Details

Date Published: 10 April 1995
PDF: 8 pages
Proc. SPIE 2379, Solid State Lasers and Nonlinear Crystals, (10 April 1995); doi: 10.1117/12.206488
Show Author Affiliations
Ingo Freitag, Laser Zentrum Hannover eV (Germany)
Andreas Tuennermann, Laser Zentrum Hannover eV (Germany)
Herbert Welling, Laser Zentrum Hannover eV (Germany)


Published in SPIE Proceedings Vol. 2379:
Solid State Lasers and Nonlinear Crystals
Gregory J. Quarles; Leon Esterowitz; Lap Kin Cheng, Editor(s)

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