Abstract
Using a variety of fixed frequency and tunable laser sources, we investigated optical second harmonic generation (SHG) of wavelengths near and inside the charge transfer absorption band of the organic crystal DAN [4-(N,N-dimethylamino)-3-acetamidonitrobenzene]. This represents the first study of second harmonic generation in the absorption band of an organic nonlinear crystal, we believe.
© 1989 Optical Society of America
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