System for maintaining the locking range of an injection locked laser array within range of the frequency of a master laser | |
EFIMOV, OLEG M.; SAYYAH, KEYVAN R. | |
2018-04-10 | |
著作权人 | HRL LABORATORIES, LLC |
专利号 | US9941661 |
国家 | 美国 |
文献子类 | 授权发明 |
其他题名 | System for maintaining the locking range of an injection locked laser array within range of the frequency of a master laser |
英文摘要 | A system for maintaining the locking range of an injection locked laser array within range of a frequency of a master laser includes first and second photodetectors. An injection locked laser array has a locking frequency range around a free running frequency controlled in response to a control signal. The laser array produces respective beams phase modulated at relative unique frequencies. A mask, has apertures with shapes, sizes, and positions identical to the shapes, sizes and positions of the lasers in the laser array. A first master laser produces a beam at a first frequency coupled to the laser array and illuminating the mask. A second master laser produces a beam at a second frequency separated from the first frequency by substantially the locking range of the laser array coupled to the laser array and illuminating the mask. Optics forms images of the reference beams of the first and second master lasers from the mask to the first and second photodetectors respectively, and forms images of the beams from the laser array to the same locations on the first and second photodetectors as the corresponding reference beams from the mask, A frequency controller, responsive to respective composite signals from the first and second photodetectors, detects modulation harmonics corresponding to each beam from the laser array from the first and second photodetectors and produces a frequency control signal. |
公开日期 | 2018-04-10 |
申请日期 | 2015-01-14 |
状态 | 授权 |
内容类型 | 专利 |
源URL | [http://ir.opt.ac.cn/handle/181661/35654] ![]() |
专题 | 半导体激光器专利数据库 |
作者单位 | HRL LABORATORIES, LLC |
推荐引用方式 GB/T 7714 | EFIMOV, OLEG M.,SAYYAH, KEYVAN R.. System for maintaining the locking range of an injection locked laser array within range of the frequency of a master laser. US9941661. 2018-04-10. |
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