The reflection holographic filter has ideal filtering property, and can be well used as a kind of elements for eye protection against laser.
反射式全息滤光片具有很好的滤光特性，可作为一种激光防护元件。
In this paper, a method using slanted fringes is introduced, with which the background noise of a reflection holographic filter can be depressed greatly.
本文介绍了用倾斜条纹抑制全息滤光片背景噪声的方法，可以收到较好的效果。
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