双折射位相差的拟合表达式及其应用 |
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引用本文: | 范志新 张志东. 双折射位相差的拟合表达式及其应用[J]. 光学学报, 1998, 18(8): 141-1144 |
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作者姓名: | 范志新 张志东 |
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作者单位: | 河北工业大学应用数理系 |
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摘 要: | 探讨双折射晶体的o光和e光的位相差的表达式,对文献中常引用的表达式作近似展开,得到一个适用性的拟合表达式及其拟合系数与昌体或液晶双折射率之间的关系,并给出该表达式的简单应用。它可作为设计晶体旋转法测试液晶双折射和预角测试仪的原理。
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关 键 词: | 液晶显示器件 双折射 预倾角 位相差 拟合式 |
收稿时间: | 1996-11-18 |
Fitting Expression of the Birefringence Phase Retardation and Its Use |
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Abstract: | The phase retardation expression of ordinary and the extraordinary light in birefringence crystal is discussed.The common used expression is expanded a suitable fitting expression and the relations between its coefficient and the birefringence index are obtained. The use of the fitting expression is given. It can be a principle for designing liquid crystal and the pretilt angle tester using the method of crystal rotation. |
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Keywords: | ? liquid crystal display birefringence pretilt angle phase retardation. |
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