摘要
从光学变换的基本方程出发,分析了变换所需的空间横向调制型全息透镜的相位误差,提出用计算机产生全息图和光学全息相结合的方法产生高精度的二维变换全息透镜.在实验上实现了二维32序的光学沃尔什-哈特曼变换,实验结果与理论计算一致.
Based on the equations of the optical transform, phase errors of the holographic lens used in a transform caused by space-transverse-modulation is analysed, and a method of computer generated hologram combined with optical holography is proposed to generate a 2-dimensional (2-D) holographic lens suitable for 2-D transform. The 2-D Walah-Hadamard transform in 32-sequenoe is optically realized. The experimental results are in agreement with the theoretical calculations.
出处
《光学学报》
EI
CAS
CSCD
北大核心
1989年第12期1078-1084,共7页
Acta Optica Sinica
基金
国家自然科学基金
中国科学院基金
