发明授权
US5459232A Nonlinear optical material, process of production of same, and nonlinear optical device and directional coupling type optical switch using same 失效
非线性光学材料,其生产工艺,非线性光学器件和使用其的定向耦合型光开关

Nonlinear optical material, process of production of same, and nonlinear
optical device and directional coupling type optical switch using same
摘要:
A nonlinear optical material composed of a polyimide obtained from a diamine and/or a diacid anhydride or dithioacid anhydride substituted by a portion having a nonlinear optical effect or of molecules having a benzocyclobutene structure substituted at the portions having an nonlinear linear optical effect.
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