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- W357337429 abstract "A compact CO2 laser with short pulse duration,high peak power and high repetition was developed by using an Acousto-optic(AO) Q-switch.The operating principle of the AO Q-switch was analyzed,and the theoretical model of CO2 laser was introduced based on the small-signal gain and saturation intensity.Then the optimal numerical solution of the transmission for an output mirror was given by this model.Based on the compact CO2 laser in our laboratory,the experiments to verify the theoretical result were performed.The optimal coupling output factor gained by the theory and experiments is 39%.The variable law of laser output performance with pulse repetition frequency was researched.Results show that the peak power of the laser will fall down when the pulse repetition frequency is greater than 1 kHz,which is related to the radiation life of CO2 molecular upper energy level,and is limited by the heat effect of AO Q-switch.The range of pulse repetition frequency can be adjusted from 1 Hz to 100 kHz.When the pulse repetition frequency is 1 kHz,the measured pulse duration is 156 ns and the peak power is 10 kW.The laser has good stabilization,and is suitable for a light source used in laser-matter interaction." @default.
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- W357337429 date "2012-01-01" @default.
- W357337429 modified "2023-09-23" @default.
- W357337429 title "Output performance of acousto-optic Q-switched CO<sub>2</sub>laser" @default.
- W357337429 doi "https://doi.org/10.3788/co.20120503.0283" @default.
- W357337429 hasPublicationYear "2012" @default.
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