【摘 要】
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惯性约束核聚变氟化氪激光驱动器与储存环自由电子激光器 ,虽然其激光产生机理完全不同 ,但是它们对于激光谐振腔光学膜系的要求却几乎完全相同 .新研制的Al2 O3/SiO2 /MgF2
【机 构】
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中国科学院电子学研究所,中国原子能科学技术研究院,中国原子能科学技术研究院 北京100080rrrrrrrrn,北京102413rrrrrrrrn,北京102413
论文部分内容阅读
惯性约束核聚变氟化氪激光驱动器与储存环自由电子激光器 ,虽然其激光产生机理完全不同 ,但是它们对于激光谐振腔光学膜系的要求却几乎完全相同 .新研制的Al2 O3/SiO2 /MgF2 “双氧化物 +单氟化物”紫外光学膜系 ,在 2 4 8nm中心波长处 ,它的光学透射率测量值为 0 .2 7%— 0 .71% ,反射率的计算值为 96 .5 % ,其光谱带宽为 2 2 .6nm .在脉冲宽度为 2 3ns的KrF激光照射下 ,它的抗激光损伤阈值达到 (5 .36± 0 .30 )J/cm2 ,是可用于储存环紫外波长自由电子激光研究与数千焦耳数量级高能、高功率KrF激光驱动器研究的高破坏阈值紫外光学膜系 .
Inertial confinement fusion krypton fluoride krypton laser driver and storage ring free electron laser, although their laser generation mechanism is completely different, but they are almost exactly the same for the optical system of the laser cavity resonator.The newly developed Al2O3 / SiO2 / MgF2 “ Double oxide + monofluoride ”UV optical film system, at a wavelength of 288nm central wavelength, its optical transmittance measured value of 0.27% -0.71%, the calculated reflectance value of 96.5% , Its spectral bandwidth is 22.6nm.It has an anti-laser damage threshold of (5.36 ± 0.30) J / cm2 under KrF laser with a pulse width of 23ns, Electron Laser Research and Thousands Joules of High-Power, High-Power KrF Laser Driver Research for High-Damage Threshold UV Optical Film Systems.
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