If alternate diffracted orders are blocked out (still assuming the grating as our specimen), the number of lines in grating would appear doubled (a spurious resolution).
If alternate diffracted orders are blocked out (still assuming the grating as our specimen), the number of lines in grating would appear doubled (a spurious resolution).
假如交替地遮挡衍射级（仍假设为光栅标本），线性光栅的数量会成双数（伪分辨率）。