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现代光电子学(2)

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国家自然科学基金委员会<br />

数理学部实验物理讲习班<br />

产生色散的原因:所有光学材料的介电响应的内<br />

在频率依赖<br />

结果:波包在色散介质中传播将变宽<br />

引起的问题:<br />

限制信息在光纤中传播的速率<br />

限制锁模激光器中产生脉冲的宽度<br />

限制非线性相互作用<br />

如何克服:<br />

加入负色散光纤<br />

色散补偿<br />

利用各向异性

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