| Experimental Investigation of an L-Shaped Very-Small-Aperture Laser |
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| 作者姓名： | 许吉英 王佳 盖洪峰 田芊 王伯雄 郝智彪 韩朔 |
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| 作者单位： | [1]State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084 [2]State Key Laboratory on Integrated Optoelectronics, Department of Electronic Engineering, Tsinghua University, Beijing 100084 |
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| 基金项目： | Supported by the Hi-Tech Research and Development Programme of China under Grant No 2003AA311132, and the Key Basic Research Foundation of Tsinghua University under Grant No JE2002008. |
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| 摘 要： | An L-shaped very-small-aperture laser （VSAL） with high power output and field enhancement effect is fabricated and characterized. As a comparison, a conventional rectangular VSAL and a double-aperture VSAL containing one L-aperture and one rectangular aperture are also fabricated and measured. The confined optical fields in the vicinity of apertures of VSAL are detected using an apertured near-field scanning optical microscope. The experimental results reveal that the power output from the L-shaped VSAL increases about 13 times than the rectangular VSAL with a comparable aperture area. It is indicated that the L-shaped VSAL has strong power output enhancement effect. The near-field distribution of the double-aperture VSAL indicates that the L-aperture has the field confinement and enhancement effect stronger than the rectangular aperture.
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| 关 键 词： | 实验调查 L-成形小孔激光器 增益效应 场限制 |
| 收稿时间： | 2006-04-04 |
| 修稿时间： | 2006-04-04 |
Experimental Investigation of an L-Shaped Very-Small-Aperture Laser |
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| XU Ji-Ying, WANG Jia, GAI Hong-Feng, TIAN Qian, WANG Bo-Xiong, HAO Zhi-Biao, HAN Shuo.Experimental Investigation of an L-Shaped Very-Small-Aperture Laser[J].Chinese Physics Letters,2006,23(9):2587-2590. |
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| Authors: | XU Ji-Ying WANG Jia GAI Hong-Feng TIAN Qian WANG Bo-Xiong HAO Zhi-Biao HAN Shuo |
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| Institution: | 1.State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084; 2.State Key Laboratory on Integrated Optoelectronics, Department of Electronic Engineering, Tsinghua University, Beijing 100084 |
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