摘要
激光笔已面市好几年了 ,但它的使用范围有限。激光笔具有其独特的优点 ,将其推向学校的教学工作中 :既可当教鞭 ,又可替代传统光学演示实验的光源 ,还可为力学。
Although the laser pointer has been on the market for several years,use have been limited.This article provides its original advantages during the course of teaching at school:used as teaching pointer, replacing the illuminant in the experiment of traditional optics and also used as the magnifying pointer of the micro variable in some demonstrating experiments of mechanics and the thermodynamics.
出处
《三明学院学报》
2001年第2期69-72,共4页
Journal of Sanming University
关键词
激光笔
功率密度
偏振
旋光
laser pointes
power density
polariation
optical rotation
