| Laser Apparatus | |
| MASON, MICHAEL; PARSONS-KARAVASSILIS, DUNCAN; HAY, NICOLAS; KELLY, MATTHEW; COMLEY, ANDREW; CUMBERLAND, BURLY; POULTER, MICHAEL | |
| 2008-02-14 | |
| 著作权人 | POWERLASE LTD. |
| 专利号 | US20080037597A1 |
| 国家 | 美国 |
| 文献子类 | 发明申请 |
| 其他题名 | Laser Apparatus |
| 英文摘要 | In a first embodiment, the invention makes use of a Neodymium doped YAG (Nd: YAG) gain medium placed in an optical resonant cavity formed by two mirrors. Power extraction is maximized for a specific laser cavity. In particular the concave curvature on the rod ends contributes a negative lensing component to modify the strength of the thermal lens. In a second embodiment the present invention uses an amplifier rod medium with curved ends to act as lensing elements to collect emission from the laser gain medium and/or oscillator described in the first embodiment of the invention. The combination of thermal lens and curved rod ends produces a lensing effect which allows light to be directly coupled from a laser. In addition, variation of the input pump power allows for control of the thermal lens formed within the amplifier rod. |
| 公开日期 | 2008-02-14 |
| 申请日期 | 2005-02-23 |
| 状态 | 授权 |
| 内容类型 | 专利 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/53579]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | POWERLASE LTD. |
| 推荐引用方式 GB/T 7714 | MASON, MICHAEL,PARSONS-KARAVASSILIS, DUNCAN,HAY, NICOLAS,et al. Laser Apparatus. US20080037597A1. 2008-02-14. |
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