檢視光的偏振的原始碼

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|<center>'''光的偏振'''<br><img
src="https://ts1.cn.mm.bing.net/th/id/R-C.f1033886e220ff4fbde04cd4e156ce31?rik=GXYlPv9eXetkVA&riu=http%3a%2f%2fpic.baike.soso.com%2fp%2f20111021%2fbki-20111021110127-1737019332.jpg&ehk=Zae%2fna2M78QOwqnMk3dmkSaNyk3CtcvM8t0lCjLhvVA%3d&risl=&pid=ImgRaw&r=0 " width="280"></center><small>  圖片來自优酷</small> 
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光的干涉和衍射现象说明了光具有波动性。光的偏振和光学各向异性晶体中的双折射现象进一步证实了光的横波性。振动方向对于传播方向的不对称性叫做偏振，它是横波区别于纵波的一个最明显的标志，只有横波才有偏振现象。