摘要
本文利用等厚干涉，通过已知波长的单色光与He──Ne激光的对比，测出He──Ne激光的波长。
The wave length of He - Ne laser is measured through the contrast between monochromatic light of wave length that is determined and He - Ne laser using cqual thickness interference.
出处
《大学物理实验》
1997年第3期34-35,共2页
Physical Experiment of College
关键词
等厚干涉
He──Ne激光
平行光
equal thickness
interference
He-Ne laser
parallel light
