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提出了利用透过光谱法和吸收光谱法相结合测定聚合物电光系数的一种新方法 ,并求得了合成的聚氨酯聚合物薄膜在 632 .8nm处的电光系数为γ33=34 .4 pm/V ,γ13=5.4 pm/V。
A new method for the determination of the electro-optic coefficient of polymer by the combination of transmission spectroscopy and absorption spectroscopy is proposed. The electro-optic coefficient of the synthesized polyurethane polymer film at 632.8 nm is obtained as γ33 = 34 .4 pm / V, γ13 = 5.4 pm / V.