Abstract

Experimental investigation ofd $\mathrm{Nd}:\mathrm{YAG}$ monolithic nonplanar ring lasers operated at $1123\mathrm{nm}$ wavelength is presented. Stable single-frequency $1123\mathrm{nm}$ laser output has been obtained with successful suppression of the strong $1064\mathrm{nm}$ radiation. Single-frequency output power of $1.25\mathrm{W}$ is demonstrated with a pump power of $3.98\mathrm{W}$ at $808\mathrm{nm}$, which gives a slope efficiency of 39%. The laser frequency tuning range is over $3\mathrm{GHz}$, and the average tuning rate with temperature is $-2.6\mathrm{GHz}∕°\mathrm{C}$. A strong iodine absorption line can be covered within the laser frequency tuning range.

© 2007 Optical Society of America

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