coatingli 发表于 2004-7-1 17:21:00

DVD/CD光学读取头结构

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simem 发表于 2004-7-3 03:49:00

<P>这只是个原理图，实际的结构中Grating，Laser Diode, 和Photodetector都是集成在一块的。</P>

zz 发表于 2004-7-3 17:51:00

不同产家的设计是不竟相同的。

chenchen 发表于 2004-7-17 20:27:00

<P>现在基本上不用分光棱镜，只用一片beam splitter及反射镜，当然它的要求是双波段的。分光棱镜用在CD-R中。</P>
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