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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jingwei Wang Zhenbang Yuan Lijun Kang Kai Yang Yanxin Zhang Xingsheng Liu |
| Copyright Year | 2009 |
| Description | Author affiliation: School of Chemical Engineering & Technology of Tianjin University, No. 92 Weijin Road, Nankai District, 300072, China (Zhenbang Yuan) || State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, No. 17 Xinxi Road, New Industrial Park, Xi'an Hi-Tech Industrial Development Zone, Shaanxi, 710119, China (Jingwei Wang; Yanxin Zhang; Xingsheng Liu) || Xi'an Focuslight Technologies Co., LTD, No. 60 Xibu Road, New Industrial Park, Xi'an Hi-Tech Industrial Development Zone, Shaanxi, 710119, China (Lijun Kang; Kai Yang) |
| Abstract | High power diode lasers have found increased applications in pumping of solid state or fiber laser systems for industrial, military and medical applications as well as direct material processing applications. The non-linearity of the near-field of emitters (or the so called “smile” effect) in a laser diode array poses significant challenges in optical coupling and beam shaping and has become one of the major roadblocks in broader applications of laser arrays. Increasing the near-field linearity of a pumping laser diode array enables the laser system manufacturer to improve the laser system compactness, optical coupling efficiency, power, and beam quality while at the same time reducing manufacture cost in the laser system. Therefore, the near-field linearity of a laser bar is one of the key specifications of laser array products and improving the near field performance is especially important in order to increase production yield, reduce cost and gain competitiveness. In this paper, we will study the mechanism of “smile” in high power diode laser arrays and discuss the strategies and ways to achieve low “smile”. |
| Starting Page | 837 |
| Ending Page | 842 |
| File Size | 1603113 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424444755 |
| ISSN | 05695503 |
| DOI | 10.1109/ECTC.2009.5074109 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-05-26 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Diode lasers Optical arrays Semiconductor laser arrays Linearity Pump lasers Power lasers Laser excitation Optical coupling Laser beams Manufacturing |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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