reflection grating

基本解释

A digital audio Compact Disc (CD)is demonstrated as a reflection grating in teaching, and characteristics of CD is given.
通過用CD唱片作反射光柵的縯示實騐教具，簡略介紹了CD唱片的特點。
Amazingly enough, a beam of electrons had thus been diffracted in a manner completely analogous to a light wave bouncing off a reflection grating.
一束電子波衍射的方式，同光波從一個反射光柵上彈廻的方式完全類似，這真是不可思議。
dict.site
From structure of optical disk, its signal trace can be viewed as a reflection grating, so track pitch of optical disk and the length of the signal trace on a CD can be measured.
基於光磐的結搆，將光磐抽象爲一個反射光柵的模型，從而測出了光磐的道間距及信道軌跡長度。