Abstract

A dual-wavelength frequency-stabilized CO₂ laser with a wideband dispersion cavity is described. A sequence of four operating frequencies can be composed on only one P–P line pair. The signature in this multifrequency CO₂ laser is unvaried and permanent. The frequency stabilities of simultaneous oscillations are approximately several parts in 10¹⁰ (sample time 10 s).

© 1993 Optical Society of America

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