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CLEO 1983
A variety of nitropyridine derivatives have been prepared and their second-harmonic generation (SHG) efficiencies measured in the powder form. Based on these powder measurements, two new compounds are the most non-linear substances known with absorption edge cutoffs less than 0.45 μm. © 1982.
R.J. Twieg, K. Jain, et al.
CLEO 1983
R.J. Twieg, J.F. Rabolt
Macromolecules
C.R. Moylan, R.D. Miller, et al.
LEOS 1995
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Applied Physics A Solids and Surfaces