分析了聚光器的特性并给出了全息元件的设计参数和制作方法。

The properties of the photovoltaic, concentrator are analysed, and the design parameters and method of making the holographic element are also given.

youdao

提出了一种采用波导全息元件和CMOS图像传感器的指纹采集器。

An optical fingerprint entry device based on waveguide hologram and CMOS image sensing was proposed.

youdao

本文介绍了由不同焦距与不同衍射方向的全息透镜组合而成的一种新型全息元件。

A new holographic optical element (HOE) consisting of the hololenses with different focal length and diffraotional channel is described.

youdao