基于激光全息存取技术的阅读推广应用  

Reading promotion and application based on laser holographic access technology

作　　者：范艳珍 FAN Yanzhen(Guilin University of Aerospace Technology,Guilin Guangxi 541004,China)

机构地区：[1]桂林航天工业学院,广西桂林541004

出　　处：《激光杂志》2021年第11期159-163,共5页Laser Journal

基　　金：国家基金项目(No.16BYY026)。

摘　　要：激光全息技术是一种投影技术,可以对各类信息建立三维仿真效果图,而传统方法使用激光全息技术时,由于激光光束与全息图存在色散差异,导致衍射光场分布区域过小,阅读推广的全息存取效果不理想,因此,研究基于激光全息存取技术的阅读推广方法。此次研究预先提取衍射场瑕疵;根据提取结果,补偿飞秒激光光束和全息图色散差异;利用激光全息存取技术,实现对阅读内容的记录与提取。应用测试表明:与三种传统方法相比,所研究方法得到的衍射光场分布区域面积最大,可见其色散差异最小,生成的全息阅读内容更完整。统计结果显示,应用此次提出的方法后,阅读推广内容的浏览点击量,提升了近2400次。Laser holography is a kind of projection technology,which can create three-dimensional simulation effect picture for all kinds of information.However,when using laser holography technology in traditional method,due to the dispersion difference between laser beam and hologram,the distribution area of diffraction light field is too small,and the holographic access effect of reading promotion is not ideal.In this study,the diffraction field defects are extracted in advance;the dispersion difference of femtosecond laser beam and hologram is compensated according to the extraction results;and the reading content is recorded and extracted by using laser holographic access technology.Application tests show that:compared with the three traditional methods,the diffraction light field distribution area obtained by the research method is the largest,the dispersion difference is the smallest,and the generated holographic reading content is more complete.The statistical results show that,after using the proposed method,the number of hits of reading promotion content has increased by nearly 2400 times.

关 键 词：激光全息存取技术 阅读推广 衍射场瑕疵 信息补偿 

分 类 号：TN911.74[电子电信—通信与信息系统]