=2.419РI5=2.420РI7=2.420РR1=200ΩРImin/mVРI2=-0.004РI4=-0.003РI6=-0.003РI0=-0.008Рe=R2R1×(I4+I6-2I0)4×I5=100200×(-0.003-0.003+2×0.008)4×2.420=5.17×10-4Р按表测投射光强Im与两偏振器夹角θ间的关系Р电阻箱示值R=200Ω,p=p↔=270.2°;a↕=186.4°;Im读2至3位,估读到1%左右。РImaxРImaxР夹角θ(度)Р0.0Р15.0Р30.0Р45.0Р0.0Р60.0Р75.0Р80.0РA盘α=a↕+90°+θР276.4Р291.4Р306.4Р321.4Р276.4Р336.4Р351.4Р356.4РIm(mV)测量值Р4.769Р4.409Р3.515Р2.317Р4.770Р1.137Р0.282Р0.117РIc=Imax(cosθ)2+IminР4.454Р3.581Р2.389Р1.197Р0.324Р0.149РIc-Im/Im(%)Р1.0%Р1.9%Р3.1%Р5.3%Р14.9%Р27.4%РImaxРImaxР夹角θ(度)Р0.0Р84.0Р87.0Р90.0Р0.0РA盘α=a↕+90°+θР276.4Р0.4Р3.4Р6.4Р276.4РIm(mV)测量值Р4.769Р0.037Р0.006Р0.000Р4.767РIc=Imax(cosθ)2+IminР0.057Р0.018Р0.004РIc-Im/Im(%)Р54.1%Р200%Р∞Р由上图可见,实验值和理论值吻合度很高,证明了马吕斯定律的正确性。Р定波片C0的快轴方向Рp↔=270.2°;a↕=186.4°;波片C0快轴在垂直方向时度盘示值C0=184.5° Р线偏振光经过1/4波片(波片C0度盘示值C0=184.5° )
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