固定出口和入口狭缝。
该装置包括:入口狭缝(2), 凹面光栅(3),光纤阵列(4)和平板检测器(5)。
The device includes: an entrance slit (2), a concave grating (3), a optical fiber array (4) and a flat plate detector (5).
在MMS光谱仪中,使用了色散光栅质谱法,并以大口径编码光阑代替了传统狭缝入口。
In MMS Spectrometers, a dispersive-grating geometry with a wide-area coded aperture takes the place of a traditional slit entrance.
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