Laser amplifiers with high gain and small thermal aberrations | |
FRANJIC, KRESIMIR; HUA, RENZHONG; MILLER, R. J. DWAYNE | |
2006-07-13 | |
著作权人 | ATTODYNE LASERS INC. |
专利号 | US20060153257A1 |
国家 | 美国 |
文献子类 | 发明申请 |
其他题名 | Laser amplifiers with high gain and small thermal aberrations |
英文摘要 | The present invention discloses a laser amplifier with high gain and low thermally induced optical aberrations on the amplified laser beam. The amplifier designs allow simple multipass configurations to optimally extract the gain and reduce thermally induced index of refraction aberrations, making it possible to obtain an amplified laser beam of high quality combined with very high overall gains comparable to those achievable with expensive regenerative amplifiers. The amplifier includes a thin active laser solid to create the population inversion and associated heat generation within the thin laser active solid possible for the desired gain value. The system includes a cooling device in thermal contact with the thin active laser solid to provide good heat transport and high reflectivity coatings at the wavelengths of the pump and laser wavelengths. The pump light sources are laser diodes tuned to the maximum absorption of the laser active material. The amplifier also includes an optical system to transport the pump light to the laser active solid in such a way as to further confine the absorption of light along the two orthogonal directions in the plane of the laser active solid in order to get high population inversion and consequently high gains possible. |
公开日期 | 2006-07-13 |
申请日期 | 2006-01-10 |
状态 | 授权 |
内容类型 | 专利 |
源URL | [http://ir.opt.ac.cn/handle/181661/53762] ![]() |
专题 | 半导体激光器专利数据库 |
作者单位 | ATTODYNE LASERS INC. |
推荐引用方式 GB/T 7714 | FRANJIC, KRESIMIR,HUA, RENZHONG,MILLER, R. J. DWAYNE. Laser amplifiers with high gain and small thermal aberrations. US20060153257A1. 2006-07-13. |
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