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The new organic nonlinear optics material and occurrence method null of the second harmonic which use
The new organic nonlinear optics material and occurrence method null of the second harmonic which use
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机译:新型有机非线性光学材料及其产生二次谐波的方法无效
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摘要
PURPOSE:To obtain an org. compd. exhibiting nonlinear optical effect in a crystal state and to enable generation of second higher harmonic by using a compd. expressed by a specified general formula as nonlinear optical responding compd. CONSTITUTION:A compd. expressed by the formula I exhibits superior nonlinear optical effect in a crystal state as a nonlinear optical responding compd. to be used for a wavelength conversion element, optical bistable element, optical modulation element, phase conjugated optical element, etc. In the formula I, Ar is an aryl group; R is an H atom, alkyl group, or an aryl group; Z is an atomic group necessary for forming a 5- or 6-membered N-contg. heterocyclic ring. The org. compd. of this invention exhibits 18 times higher efficiency than urea when a powder sample 1 of an org. nonlinear optical material consisting of the org. compd. is irradiated with YAG laser and the second higher harmonic is measured with an evaluating device consisting of a cutting filter 2 for fundamental waves, spectroscope 3, photomultiplier 4, amplifier 5 and an oscilloscope.
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