被抛光光学元件的材料去除是在抛光区内实现的。
Material removal of optical element is done in "polishing spot".
光学元件，光源装置，光头装置以及光信息处理装置。
Optical element, light source device, optical head device and optical information processing unit.
对双球面透镜双全息光学元件的读写头结构给出了实验结果。
The computer simulation and experimental results of the two configurations are shown.
对双球面透镜双全息光学元件的读写头结构给出了实验结果。
The computer simulation and experimental results of the two configurations are shown.
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