摘要
为了有效的记录和再现物体的数字全息图,搭建了以液晶光阀(LCD)为透镜的傅里叶数字全息装置。根据全息理论,分析了傅里叶数字全息的记录、再现及实验原理,并进行了相应的数字图像处理,结果表明,傅里叶变换数字全息再现算法简单,缩短了再现周期,可实现准实时化。并成功应用傅里叶变换全息来对字母和数字进行实时相干识别。
A Fourier transform lens using liquid crystal display （LCD） is set up to store and replay the holograms effectively. Based on the holographic theory, the storage and replay of the Fourier digital holograms as well as the experimental principles are analyzed. Results show that the replay period is cut short due to the simplicity of the algorithm and therefore can be actualized in real-time.
出处
《光学仪器》
2013年第5期32-35,55,共5页
Optical Instruments
关键词
全息
傅里叶变换
存储
再现
holographic
Fourier transform
storage
replay
