干涉型激光直写技术用于光盘防伪

Two beam interference laser direct writing technique for disk security

利用作者研制的干涉型激光直写系统 ,阐述了干涉型激光直写设计OVD的方法 ,防伪特征 ,介绍了应用于光盘防伪的OVD技术和应用前景 ,给出了实验结果。

As a new image format,the optical variable device's (OVD's)are recently developed for various uses.The principle of OVD with two beam interference laser direct writing technique has been introduced in our system,HoloMakerIII.The feathers of the OVD's for the disk security are discussed.The results are given.