表二 测量1/4波长在a=0°30°45°下的光性特征曲线数据表θ/(度)0306090120150180210240270 I/(10-7A)a=0007624232925888074242326 I/(10-7A)a=300149122147211244213155124153211 I/(10-7A)a=450214241221204228233215189180195θ/(度)300330360
I/(10-7A)a=00252870
I/(10-7A)a=300244216151
I/(10-7A)a=450229239213
300330360 252870 244216151 229239213