科研之友
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摘要
An analytical method is developed to optimally design the microlens array system homogenizer using ray tracing and non-paraxial approximation method. The relationship between the intensity distribution of beam and the height distribution of rays is built up to analyze the uniformity of focal spot for arbitrary incident beam. The analytical results show that the uniformity of focal spot shaping by mircolens array system has close relationship with incident beam intensity distribution, oblique incident angle, the number of microlens, and aberration of focal lens. The analytical approach and results are very useful for mircolens array system design and evaluation.
- 出版日期2015-12
- 单位华中科技大学
