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Suppression of far-field blooming in high-power broad-area diode lasers by optimizing gain distribution
Wang, T.; L. J. Wang; S. L. Shu; S. C. Tian; Z. D. Zhao; C. Z. Tong and L. J. Wang
2017
Source PublicationChinese Optics Letters
Volume15Issue:7
AbstractFar-field blooming, a serious far-field dependence on driving current, affects the stability of beam quality and applications of broad-area (BA) diode lasers. In this Letter, the lateral ridge waveguide (LRW) is introduced to BA lasers by a simple and cost-effective approach to control the far-field stability and beam divergence. The influences of LRW length on output power, near-and far-field, are investigated and it is found that the optimized LRW length is able to improve both the far-field blooming and output power. The mechanism behind this is analyzed and a 0.13 degrees/A dependence of lateral divergence angle on the injection current is achieved.
Indexed Bysci ; ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59274
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Wang, T.,L. J. Wang,S. L. Shu,et al. Suppression of far-field blooming in high-power broad-area diode lasers by optimizing gain distribution[J]. Chinese Optics Letters,2017,15(7).
APA Wang, T.,L. J. Wang,S. L. Shu,S. C. Tian,Z. D. Zhao,&C. Z. Tong and L. J. Wang.(2017).Suppression of far-field blooming in high-power broad-area diode lasers by optimizing gain distribution.Chinese Optics Letters,15(7).
MLA Wang, T.,et al."Suppression of far-field blooming in high-power broad-area diode lasers by optimizing gain distribution".Chinese Optics Letters 15.7(2017).
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