Four kinds of laser source are used to measure the diffractive efficiency of Fresnel lens.使用四种不同光源,对
菲涅耳透镜的衍射效率进行测试。
Diffractive efficiency of Fresnel lens is important factor to evaluate the quality of Fresnel lens.菲涅耳透镜的衍射效率是评价菲涅耳透镜质量的一个重要指标。
The introduction of binary optical elements, theory of diffractive lenses, fabrication of binary optical elements and trends are related.本文介绍了二元光学元件的概况,衍射透镜理论,二元光学元件的制造方法以及发展趋势。