Stability conditions expressed by the misadjustments of the resonator of the typical fold resonator are derived and analyzed. Misadjustments δ1,δ2 of the resonator are used to give the stability criterion of the threemirror folded cavity based on roundtrip transformation matrixes without consideration of astigmatic compensatin of the resonator and the deduced conditons are validated by traditional g* parameter method, and examples are also given.The results show that there are two stable arears shown by the misadjustments, but not one area which was normally considered. The results are equivalent to the results gained though the g*parameter method while they have clearer physical meanings and stability criterion of folded cavity becomes more directly.
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刘红斌,万大平,胡德金.固体激光折叠腔稳定特性研究[J].激光与红外,2007,37(5):432~434 LIU Hong-bin, WAN Da-ping, HU De-jin, WAGN Yu-min. Research on the Stability of a Solid Laser Fold Resonator[J]. LASER & INFRARED,2007,37(5):432~434