COIL腔镜薄膜参数实验研究
Experimental study of parameters of COIL mirror's film
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摘要: 利用HITACHI U-4001型分光光度计和基于光腔衰荡光谱的高反射率测量仪对氧碘化学激光器（COIL）输出镜的透过率和高反镜的反射率进行了膜层均匀性、测量重复性、激光辐照等方面的测量和实验研究。实验结果显示：离子束溅射膜的性能比电子枪蒸发膜更为稳定；只要保证镜片存放于干燥处，长时间放置对其薄膜的透过率和反射率均无明显影响。Abstract: Experimental studies on the transmittance and reflectivity of COIL mirrors have been done using of the HITACHI U-4001 spectrophotometer and the high reflectivity meter based on cavity ring down spectroscopy, such as experiments of the effects of film uniformity, pollution, and so on. Experimental results show that the ion beam sputtered film is more stable than the electron gun evaporated film. The deposition time has no obvious effect on transmittance and reflectivity of films when the mirrors are put in the dry place.
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Key words:
- coil /
- mirror /
- transmittance /
- reflectivity
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