Abstract

We propose a design for an optical resonator suited to using large-bore active media. The resonator consists of a pair of waxicons, so we call it a “wwaxicon optical resonator.” The resonator is considered a conventional (solid) resonator surrounded by coaxial annular resonators. A numerical simulation of the resonator designed for use in a commercial ${\mathrm{CO}}_2$ laser is performed. It is found that parasitic oscillation modes can be suppressed by the use of an spatial-frequency filter. The resonator exhibits oscillation in the ${\mathrm{TEM}}_{01}^{*}$ transverse mode and produces twice as much output power as a sevenfold multipass stable optical resonator.

©2012 Optical Society of America

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