【摘要】 稀有气体中的毛细管放电的共振辐射在真空紫外区,可被用作真空紫外辐射源。本文讨论了无窗式毛细管真空紫外辐射源的结构设计,并用实验测定了它的辐射特性。由于HeⅡ（303.8）共振辐射对光电子谱研究最为有用,实验表明为了获得强的HeⅡ（303.8）线,He的工作气压应小于0.1乇。总的HeⅡ（303.8）约为3.2×10¹¹光子/秒。此类毛细管真空紫外光源可用于表面研究及真空紫外单色仪的波长定标。更多还原

【Abstract】 Since the resonance radiations of the capillary discharges in rare gases are in vacuum ultraviolet （VUV） region, they may be used as VUV radiation sources. The structure design of the windowless capillary VUV radiation source is discussed and the radiation characteristics are experimentaiy studied. It shows that for obtaining strong He Ⅱ （303.8 A） resonance radiation, which is most useful for ultraviolet photoelectron spectroscopy （UPS） study, the He pressure should be lower than 0.1 torr. The total He Ⅱ （303.8A） axial radiation flux is estimated to be 3.2×10¹¹ photons per second. This capillary VUV radiation source could be used for surface studies and for wavelength calibrations of the VUV monochromator.更多还原