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ji yu fu guang dian dao de wei wei miao guang dian zi xue
Author(s): 
Pages: 633
Year: Issue:  Z1
Journal: Chinese Journal of Lasers

Keyword:  等离子体毫米波微微秒光脉冲光电导效应电路元件半导体开关复介电常数半导体波导区域与门电路;
Abstract: <正> 近来相当大一部分注意力集中在基于微微秒光脉冲光电导效应的开关与门电路方面。光电导效应是更一般现象(半导体介质的复介电常数被引入的光感生电子-空穴等离子体而修正)的长波长限制。当等离子区域的尺寸小于人们希望控制的低频射频讯号(包括直流)的波长时,等离子区域可视作集中电路元件,大部分半导体开关属于这一类,可视作电导型设备。如射频讯号波长近于或小于等离子区域的尺寸,等离子区域必需被处理为分布电路元件,这
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