Data storage and diffractive elements.
数据存储和衍射元素。
Laser direct writing system is the key equipment for fabrication of optical diffractive elements, and the defocus detection technique is the important sub-tech in it.
激光直写机是制作衍射光学元件的关键设备，离焦检测技术是其中的重要单元技术之一。
The harmonic diffractive elements are introduced into infrared hyper-spectral detection, and the on-axial and off-axial infrared multi-spectral imaging spectrometers are designed.
将谐衍射元件应用于红外超光谱成像中，设计了红外双波段同轴和离轴超光谱成像系统；
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