Abstract
The dual-wavelength alternating output laser using double laser gain mediums and single electro-optic (EO) Q-switched crystal with the same EO Q-switched voltage is obtained. A rate-equation model is developed, accounting for dual-wavelength alternating output laser based on the same EO Q-switched voltage. In numerical simulation, the relationship between loss and gain value in each cavity is compared as the criterion for selecting the same Q-switched voltage. Using this method, the dual-wavelength alternating output laser of 1319 nm and 1064 nm, the pulse widths of 15.88 ns and 14.58 ns, and the energies of 42.37 mJ and 43.6 mJ respectively, is stably achieved under the same Q-switched voltage of 1000 V with the maximum pump current of 90 A and 70 A, respectively.
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