1999•PubMedRequires access

[Transmission grating spectrograph for soft X-ray spectrum measurements with a pre-optics].

Zilu Wang, Zhen Tian, B Chen, Z Wang, J Gao, X Tian, Z Chen, P Fan, X Chen

Abstract

A novel diffraction spectroscopic instrument consisting of a large area transmission grating and a grazing-incidence pre-optics comprising of a toroidal mirror, a slit and a cylindrical mirror has been implemented. A nearly perfect stigmatism and a medium spectral resolution are due to the separation of the focusing and dispersing function. The experimental results show that it is possible to construct large area transmission grating spectrograph with high collecting efficiency and good spatial resolution.

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Available abstract

Key concepts: Spectrograph, Optics, Grating, Blazed grating, Diffraction grating, Spectral resolution, Transmission (telecommunications), Diffraction