Abstract

A rectangular negative branch off-axis hybrid resonator was coupled to a $10\text{\hspace{0.17em} kW}$ class chemical oxygen-iodine laser. Resonator setup and alignment turned out to be straightforward. The extracted power was $6.6\text{\hspace{0.17em} kW}$ and reached approximately $70\%$ of the power for an optimized stable resonator. The divergence of the emitted laser beam in the unstable direction was lower than two times the diffraction limit. Experimentally measured margins for mirror misalignment were found in close agreement with numerical calculations.

© 2006 Optical Society of America

Hybrid resonator in a double-pass configuration for a chemical oxygen iodine laser

Carsten Pargmann, Thomas Hall, Frank Duschek, Karin Maria Grünewald, and Jürgen Handke
Appl. Opt. 47(35) 6644-6649 (2008)

Analysis of lasing in chemical oxygen-iodine lasers with unstable resonators using a geometric-optics model

Boris D. Barmashenko
Appl. Opt. 48(13) 2542-2550 (2009)

Experimental investigation of an unstable ring resonator with 90-deg beam rotation for a chemical oxygen iodine laser

Yuqi Jin, Bailing Yang, Fengting Sang, Dazheng Zhou, Liping Duo, and Qi Zhuang
Appl. Opt. 38(15) 3249-3252 (1999)

Off-axis negative-branch unstable resonator in rectangular geometry

Carsten Pargmann, Thomas Hall, Frank Duschek, Karin Maria Grünewald, and Jürgen Handke
Appl. Opt. 50(1) 11-16 (2011)

COIL emission of a modified negative branch confocal unstable resonator

Carsten Pargmann, Thomas Hall, Frank Duschek, Karin Maria Grünewald, and Jürgen Handke
Appl. Opt. 46(31) 7751-7756 (2007)