Unverified50% confidenceFactExact time
可见光或近红外激光波长约0.5-1.5微米，比射电波（厘米到米级）短数万倍，使同口径发射器产生的激光束发散角可小到纳弧度量级
1
Sources
50%
Confidence
Long-term
Relevance
8/27/2026
First Seen
Sources
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