Multi-rod symmetrical series connection cavity of solid laser
A solid-state laser, symmetrical technology, applied to lasers, laser components, phonon exciters, etc., can solve the problem of not increasing the number of crystal rods connected in series, and achieve the effect of increasing laser output power
Inactive Publication Date: 2010-08-11
CHANGCHUN UNIV OF SCI & TECH
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Abstract
The invention relates to a multi-rod symmetrical series connection cavity of a solid laser, which belongs to the technical field of solid lasers. The output power of a laser is improved by connecting a plurality of crystal rods in a resonant cavity in series in the prior art; however, the series connection quantity of the crystal rods can not be more added in the resonant cavity due to the limit of a parameter of a crystal rod damage threshold value, and the series connection quantity n of the crystal rods is smaller than or equal to 8 commonly. Both ends of the resonant cavity are respectively provided with a total reflecting mirror, and an output coupling mirror is positioned in the middle of the resonant cavity; and two groups of n crystal rods are respectively arranged between the output coupling mirror and the total reflecting mirrors at both ends of the resonant cavity, the n crystal rods in each group are separated and connected in series, and the two groups of crystal rods are symmetrical relative to a laser output axis of the output coupling mirror. When the output coupling mirror adopts a Glan prism group, one fourth lambda+/-delta lambda wave plates are respectively arranged in the fronts of the total reflecting mirrors at both ends of the resonant cavity. The invention is applied to a solid laser.
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Active medium materialActive medium shape and construction
Technology Topic
PrismResonant cavity +5
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