R.J. Twieg, K. Betterton, et al.
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
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. Betterton, et al.
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
Stephen Ducharme, G.C. Bjorklund, et al.
QELS 1989
R.J. Twieg, K. Betterton, et al.
IS&T/SPIE Electronic Imaging 1991
R.J. Twieg, K. Betterton, et al.
Ferroelectrics