Abstract
The properties of diode-pumped lasers with gradient–index (GRIN)-mirror resonators are described. The total loss of typical GRIN elements is measured and is found to be comparable with conventional mirrors. The efficiency, threshold, and modal quality of GRIN-mirror Nd:YAG lasers are shown to compare favorably with conventional designs. In addition, a polarized single-frequency laser that uses GRIN elements in conjunction with metal-film étalons is constructed and is shown to deliver output powers comparable with those of more complicated single-frequency designs.
© 1994 Optical Society of America
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