作者: K. Jain , J.I. Crowley , G.H. Hewig , Y.Y. Cheng , R.J. Twieg
DOI: 10.1016/0030-3992(81)90033-5
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摘要: A large number of non-linear organic materials have been investigated by second-harmonic generation (SHG) in powders. The materials studied include several urea derivatives …