| 砷化镓中微微秒光脉冲的自透射 |
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| 引用本文： | 马海明,李富铭.砷化镓中微微秒光脉冲的自透射[J].物理学报,1989,38(9):1530-1533. |
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| 作者姓名： | 马海明 李富铭 |
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| 作者单位： | 复旦大学物理系 |
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| 摘 要： | 本文报道了以Brewster角入射的无掺杂半绝缘GaAs的1μm微微秒光脉冲自透射的实验和理论结果。最佳拟合的深能级EL2态的密度为1.2×1016cm-3,双光子吸收系数为29cm/GW,自由载流子的吸收截面为2.7×10-17cm2。
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| 关 键 词： | 砷化镓 自透射 物理参数 光脉冲 |
| 收稿时间： | 1988-11-14 |
SELF-TRANSMISSION OF PICOSECOND LIGHT PULSES IN GaAs |
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| MA HAI-MING and LI FU-MING.SELF-TRANSMISSION OF PICOSECOND LIGHT PULSES IN GaAs[J].Acta Physica Sinica,1989,38(9):1530-1533. |
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| Authors: | MA HAI-MING and LI FU-MING |
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| Abstract: | In this paper, we report the experimental and theorical results of self-transmission of pi-cosecond light pulses of 1 μm in undoped semi-insulating GaAs at Brewster angle incidence. The best fitting density of the deep level EL2 is 1.2×l016cm-3, the two-photon absorption coefficient is 29 cm/GW and the free-carrier cross section is 2.7×10-17 cm2. |
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