Acta Optica Sinica, Volume. 20, Issue 5, 647(2000)
Theoretical Analysis of Characteristics of the High Efficiency High Resolution Soft X-Ray Transmission Grating Spectrograph
A newly developed high efficiency high resolution,large size transmission grating spectrograph for higher collection efficiency and higher spectral resolution used in laser produced plasma diagnosis is reported.The spectrograph comprises of a toroidal mirror as the collecting optics,a standing-free high-density transmission grating and a soft X-ray CCD camera.The partial coherent light diffraction theory is applied to determine the X-ray intensity distribution on the soft X-ray CCD camera.Analysis shows that the spectral resolution is better than 0.05 nm over the spectral range of 1.4~12 nm,which is successfully demonstrated in the relevant experiments.Owing to its high efficiency,it is especially suitable for the experiments of ultrashort femtosecond pulse laser produced plasmas.
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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Theoretical Analysis of Characteristics of the High Efficiency High Resolution Soft X-Ray Transmission Grating Spectrograph[J]. Acta Optica Sinica, 2000, 20(5): 647