【摘要】 研制了一台平均功率3.3 kW横向激励大气压(TEA)CO2激光器。激光器采用单节放电体积为5 cm×4 cm×90 cm的两节腔体串连的形式,印刷板电路预电离结构和闸流管开关放电电路,实现了激光器单脉冲能量输出,高重复频率工作。在重复频率150 Hz条件下,获得了3.3 kW平均输出功率。获得32.8 J单脉冲输出能量,电光转换效率达到15.4%。更多还原

【Abstract】 A high average power TEA CO2 laser has been developed.Average output power of 3.3 kW is achieved at a repetition of 150 Hz.The TEA CO2 laser consists of two same laser modules,each of which has a 5 cm×4 cm×90 cm discharge volume.Several special technologies including Printed Circuit Board(PCB) pre-ionization and thyratron switch discharging circuit are employed.The laser realized large energy output,high repetition operating and high average power output.Laser output pulse energy is measured.The relationship between laser pulse energy and voltage at different gas pressures is obtained.The maximum of output pulse energy is 32.8 J.Electro-optical efficiency is calculated and the maximum of electro-optical efficiency is 15.4%.The laser pulse waveforms are measured at different gas pressures.更多还原