| Rectangular flat-top beam shaper | |
| CAYER, FRANCIS | |
| 2008-07-10 | |
| 著作权人 | COHERENT, INC. |
| 专利号 | US20080165425A1 |
| 国家 | 美国 |
| 文献子类 | 发明申请 |
| 其他题名 | Rectangular flat-top beam shaper |
| 英文摘要 | The invention relates to a beam shaping system for providing a square or rectangular laser beam having a controlled intensity profile (uniform, super gaussian or cosine corrected for example) from an incident non-uniform beam intensity profile laser beam source (a Gaussian profile, a profile with astigmatism or any non-rotationally symmetric and non-uniform profile for example). The beam shaping system uses a first acylindrical lens for shaping the incident laser beam along a first axis and a second acylindrical lens orthogonally disposed relative to the first acylindrical lens and for shaping the incident beam along a second axis. The thereby provided light beam is a rectangular beam having a controlled intensity distribution in the far field. |
| 公开日期 | 2008-07-10 |
| 申请日期 | 2007-01-04 |
| 状态 | 授权 |
| 内容类型 | 专利 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/53889]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | COHERENT, INC. |
| 推荐引用方式 GB/T 7714 | CAYER, FRANCIS. Rectangular flat-top beam shaper. US20080165425A1. 2008-07-10. |
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