摘要
本文探讨了一种测量激光波长的实验设计方法,利用CD光盘片作为反射光栅来测定激光波长。这种方法操作简单实用,而且利用精度为1mm的普通刻度尺可以对激光波长的测量达到10nm量级,具有相对较高的测量精度。该实验设计方法新颖,取材简单,可以有效激发学生的学习兴趣。
A kind of experiment teaching method on laser wavelength measurement is researched.The method is using a compact disc as a reflective grating to measure laser wavelength.And the 10nm accuracy of laser wavelength measurement is obtained by a normal ruler with 1mm accuracy,which has comparatively high accuracy of measurement.The method is novel and just use simple tool,so it can stimulate the study interesting of students.
出处
《电气电子教学学报》
2009年第S1期124-125,134,共3页
Journal of Electrical and Electronic Education
基金
中国计量学院教改项目
关键词
光盘
反射光栅
衍射
激光波长
CD
reflection grating
diffraction
laser wavelength
