| 摘要 |
A solid state laser device with a lengthened pump beam path is provided herein. The laser device includes an active element having a specified geometric shape, specified optical characteristics, and further configured for lasing; and a light pumping element optically coupled to the active element, wherein the light pumping element is configured to generate a pump light beam directed at a specified angle into the active element, and wherein at least one of: the specified angle, the specified geometric shape, and the specified optical characteristics are selected such that the pump light beam is reflected one or more times within the active element resulting in an extension of an absorption path of the pump light beam within the active element.
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