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分光仪在光学测量中比较常用,是一种能精确测量光线各种角度的典型光学仪器。在大学物理实验中,学会调整使用分光仪是极为重要的训练内容。但是,学生往往对于每部分操作步骤所依据的原理理解并不透彻,尤其对调节望远镜光轴、载物台台面分别与仪器转轴垂直这一环节不是很清楚。针对这个问题,对分光仪调节的几个步骤进行了深入地理论分析和思考,给出了二分之一法调节望远镜光轴、载物台台面垂直于仪器转轴的详细推导过程,为学生更好的理解实验原理提供了依据,具有一定的指导作用。
Spectrometer is more commonly used in optical measurement, is a typical optical instrument that can accurately measure various angles of light. In the university physics experiment, learn to adjust the use of spectrometer is extremely important training content. However, students often do not understand thoroughly the principle on which each operation step is based. In particular, it is unclear how to adjust the optical axis of the telescope and the stage table to be perpendicular to the axis of rotation of the instrument respectively. To solve this problem, several steps of the spectrometer adjustment are analyzed and thought deeply. The detailed deducing process of the optical axis of the one-half method telescope and the stage table perpendicular to the instrument axis is given. Good understanding of the experimental principle provides the basis for a certain degree of guiding role.