【摘 要】
：
波前编码技术在大幅度地增加光学系统景深的同时,可以抑制各种离焦类型的像差。目前波前编码系统的成像特性分析大多是基于空间频率域的分析,在应用稳定相法导出三次型相位板
【机 构】
：
浙江大学光电系现代光学仪器国家重点实验室,浙江大学光电系现代光学仪器国家重点实验室,浙江大学光电系现代光学仪器国家重点实验室,浙江大学光电系现代光学仪器国家重点实验室,浙江大学光电系现代光学仪器国家重
论文部分内容阅读
波前编码技术在大幅度地增加光学系统景深的同时,可以抑制各种离焦类型的像差。目前波前编码系统的成像特性分析大多是基于空间频率域的分析,在应用稳定相法导出三次型相位板波前编码系统的点扩展函数近似解析式的基础之上,描述了点扩展函数的边界、带宽与振荡等特性,分析了波前编码系统对离焦、像散、彗差等常见像差的敏感性,从空间域进一步分析了波前编码系统的成像特性。
Wavefront coding technology in the substantial increase in depth of the optical system at the same time, you can suppress a variety of defocus type of aberration. At present, the analysis of the imaging characteristics of wavefront coding system is mostly based on the analysis of spatial frequency domain. Based on the analytical solution of the point spread function of the wavefront coding system of cubic phase plate derived by the steady-state method, Boundary, bandwidth and oscillation. The sensitivity of the wavefront coding system to common aberrations such as defocus, astigmatism and coma is analyzed. The imaging characteristics of the wavefront coding system are further analyzed from the spatial domain.
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