[KongchangAI]
Unverified50% confidenceFactExact time

标准 CD-R 采用 780nm 波长的红外激光,DVD-R 采用 650nm 红色激光,BD-R 使用 405nm 蓝紫色激光,波长越短单位面积可存储的数据密度越高

1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen

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