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引射式气帘对COIL流场参数的影响
Influence of the ejecting gas-shades on COIL-flow field
【摘要】 给出了氧碘化学激光器中,引射式气帘对激光器内各段压力与输出功率等参数的影响。研究结果表明:在COIL光腔中采用引射式气帘的作用方式,可以显著降低光腔段的总压损失,为激光器后的压力恢复系统减轻工作负荷;在高背压条件下,能够显著降低腔压,改善光腔静压的稳定性,提高激光器输出功率的稳定性。
【Abstract】 The mechanism of ejecting gas-shades of COIL was given.The effect of ejecting gas-shades on pressures and output power of COIL was studied.The result shows that by adopting the action modes of ejecting gas-shades in the optical resonator,the loss of stagnation pressure is remarkably reduced.The working load of the pressure recover system at COIL exit will be lightened.On high back-pressure condition,static pressure in the resonator is remarkably reduced then the stability of static pressure in the resonator is improved.
【关键词】 氧碘化学激光器;
光腔;
气帘;
总压损失;
压力恢复;
【Key words】 COIL; Optical resonator; Gas-shade; Loss of stagnation pressure; Pressure recover;
【Key words】 COIL; Optical resonator; Gas-shade; Loss of stagnation pressure; Pressure recover;
【基金】 国家863计划项目资助课题
- 【文献出处】 强激光与粒子束 ,High Power Laser and Particle Beams , 编辑部邮箱 ,2006年05期
- 【分类号】TN248
- 【下载频次】35