中国激光, 2004, 31 (6): 654, 网络出版: 2006-06-12   

脉冲氙灯用截紫外石英玻璃管性能的研究

Study on Properties of Cerium-Doped Silica Glass Tube for Xenon Flash Lamp
作者单位
中国科学院上海光学精密机械研究所, 上海 201800
摘要
研究了不同CeO2浓度掺铈石英玻璃的光谱性能和机械强度,制备了几种不同杂质(CeO2,Al2O3,TiO2)含量的掺铈石英玻璃管,并且这些掺铈石英玻璃管用相同的工艺研制成大功率脉冲氙灯。对掺铈石英玻璃管的光谱性能、机械性能和热学性能进行了测试,并测试了脉冲氙灯放电的极限负载能量。通过对比实验表明,掺入适量的CeO2等杂质的掺铈石英玻璃管可以吸收氙等离子体的320 nm左右的近紫外辐射,改善脉冲氙灯的辐射光谱。但CeO2等杂质的掺入降低了掺铈石英玻璃管的机械强度,导致掺铈石英玻璃管脉冲氙灯的极限负载能量比纯石英玻璃管脉冲氙灯有差距,影响了掺铈石英玻璃管脉冲氙灯的使用寿命。因此,有必要研制一种既能吸收氙等离子体的320 nm左右的紫外辐射,又具有高强度的脉冲氙灯管壁材料。
Abstract
In this paper, the absorption spectra and mechanical strength of Ce-doped silica glasses with different concentrations are studied. Several kinds of Ce-doped silica glass tubes with different impurity (such as CeO2, Al2O3, TiO2) are made, and high-power xenon flashlamp are made by these tubes with same procedures. The spectral, mechanical strength and thermal properties of the Ce-doped silica glass tubes are measured and the explosion energy of xenon flashlamps are also tested. By comparative experiments it is found that silica glass doped with proper amounts of CeO2 can strongly absorb ultraviolet radiation of xenon plasma at 320 nm and improve the radiation spectra of xenon flashlamps. But because dopping CeO2 in silica glass reduces mechanical strength of silica glass tubes, the explosion energy of xenon flashlamps made of Ce-doped silica glass tubes is lower than that of silica glass tubes xenon flashlamp, and the life time of flashlamp is decreased. So it is necessary to develop new materials which can not only absorb ultraviolet radiation of xenon plasma at 320 nm but also have excellent mechanical strength.

李海兵, 胡丽丽, 林文正, 陈小春, 蒋宝财. 脉冲氙灯用截紫外石英玻璃管性能的研究[J]. 中国激光, 2004, 31(6): 654. 李海兵, 胡丽丽, 林文正, 陈小春, 蒋宝财. Study on Properties of Cerium-Doped Silica Glass Tube for Xenon Flash Lamp[J]. Chinese Journal of Lasers, 2004, 31(6): 654.

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