The method of worm and worm wheel driven by a high resolution step motor is adopted in the design of double-grating monochromator driving system to get broad spectrum scope and high resolution.

• 设计的双光栅单色仪驱动系统,采用高精度细分的步进电机驱动蜗轮蜗杆方式,提高了光谱扫描范围及精度。