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threshold current density
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threshold current density
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工学
量子阱半导体激光器
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threshold current density
阈值电流密度
激光器谐振腔内总的光增益能够克服总的光损耗所需的最小电流密度。表征电注入半导体激光器实现阈值激射或振荡的物理量。
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