808 nm大功率半导体激光器腔面膜的制备 |
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引用本文: | 套格套,尧舜,张云鹏,路国光,初国强,刘云,王立军. 808 nm大功率半导体激光器腔面膜的制备[J]. 光子学报, 2005, 34(1): 25-28 |
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作者姓名: | 套格套 尧舜 张云鹏 路国光 初国强 刘云 王立军 |
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作者单位: | 中国科学院长春光学精密机械与物理研究所激发态物理重点实验室,吉林,长春,130033 |
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基金项目: | 中科院"十五重大"(Z01Q03)与国防科研计划(A02X05Z)资助项目 |
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摘 要: | 采用等离子体辅助电子束蒸发方法在808 nm大功率量子阱半导体激光器腔面设计镀制了HfO2/SiO2系前后腔面膜. 用直接测量法测量并比较了各种常用膜系的相对损伤阈值. 增透膜的反射率为12.2%,高反膜的反射率为97.9%. 对于100 μm条宽、1000 μm腔长的条形结构通过器件测量结果是出光功率提高79%、外微分量子效率提高80%、功率效率由没镀膜之前的22.2%提高到镀膜之后的39.8%.
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关 键 词: | 半导体激光器 等离子体辅助电子束蒸发 高反膜 增透膜 灾变性光学损伤 |
收稿时间: | 2003-11-03 |
修稿时间: | 2004-06-18 |
Fabrication of 808 nm SQW Semiconductor Laser Facet AR HR Coating |
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Affiliation: | (Changchun Institute of Optics, Fine Mchanics and Physics, Chinese Academy of Science, Changchun 130033) |
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Abstract: | HfO 2/SiO 2 front and back facet coatings of 808 nm SQW semiconductor laser has been fabricated with Plasma Assisted Electron Beem Deposition (Plasma-Ion Assisted Deposition) method.Front AR coating reflectivity is as low as 12.2% and back HR coating is as high as 97.9%.The output power is improved 79%,external different quantum efficiency improved 80%.The output efficiency increased from 22.2% to 39.8% for 100 μm wide 1000 μm-cavity length device. |
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Keywords: | Semiconductor laser Plasma assisted electron beem deposition AR coating HR coating Output efficiency Catastrophic optical damage |
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