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Method to compensate for polarization aberrations in optical systems based on plane mirrors
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DOI：10.1016/j.optlaseng.2026.109767.png)
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Abstract
En 中文
With the increasing demands for high-resolution imaging, polarization aberrations have become important error sources in high-performance optical systems. Conventional methods to mitigate polarization aberrations typically affect other performance metrics such as wave aberrations and optical efficiency. To address this limitation, a new method based on plane mirrors is proposed in this paper to compensate for polarization aberrations of optical systems. The spatial frequency properties of polarization aberrations induced by plane mirrors in nonparallel optical paths are analyzed, and independent optimization of polarization aberrations in optical systems is achieved by precisely controlling the spatial orientation of plane mirrors. In a typical system, polarization aberrations have been successfully reduced to one-fifteenth of their original level, in which the retardance dramatically reduced from 0.0759 rad to 0.0050 rad. Furthermore, the underlying compensation mechanism and the influences of the number of plane mirrors on compensation effects are systematically analyzed. Due to the widespread use and operational simplicity of plane mirrors in optical systems, the proposed method shows significant value for advanced modern optical systems and considerable potential for practical engineering applications.
Keywords:
Polarization aberrations
Plane mirrors
Polarization compensation
Astronomical telescopes
Lithographic objectives
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