Abstract

An output coupler with radially variable reflectivity, based on a Fabry–Perot interferometer made of two suitable spherical mirrors, is proposed. Application to a pulsed Nd:YAG laser with an unstable resonator has produced diffraction-limited output beams with energy up to 300 mJ.

© 1987 Optical Society of America

Laser output coupler based on a radially variable interferometer

S. De Silvestri, P. Laporta, and V. Magni
J. Opt. Soc. Am. A 4(8) 1413-1418 (1987)

Unstable Cr:LiSAF laser resonator with a variable reflectivity output coupler

Joseph F. Pinto and Leon Esterowitz
Appl. Opt. 37(15) 3272-3275 (1998)

Resonator with variable-reflectivity output coupler

Marc Couture and Michel Piché
Appl. Opt. 26(13) 2510-2513 (1987)

Quasi-cw-pumped Nd:YAG laser using a negative-branch unstable resonator with a phase-unifying output coupler

Koji Yasui, Shigenori Yagi, and Masaaki Tanaka
Opt. Lett. 15(2) 110-111 (1990)

High-power fast-axial-flow CO₂ laser with a variable-reflectivity output coupler

P. Sona, P. Muys, G. Sherman, and Ch. Leys
Opt. Lett. 15(24) 1452-1454 (1990)