The Purification, Growth And Optical Properties Of The Organic Material 2-Acetamido-4-Nitro-N:N-Dimethyl Aniline, (DAN)

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Abstract
Large crystals of DAN, (2-3 cm diameter, 2 cm long) with a very low defect concentration have been grown by the Bridgman technique. Oriented, cut and polished specimens examined by the Maker fringe method showed both types I and II phase matching. Tentative refractive index values at 1064 nm were deduced from previously reported indices at 532 nm by a combination of Maker fringe analysis and interpretation of the angles of incidence for phase matching. From these results it is concluded that the phase matching locus is probably of the Hobden type VII.© (1989) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

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