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浸液-干涉法测量透镜的折射率是将被测透镜置于充有折射液的容器内,通过配液使混合液的折射率与被测透镜的折射率尽可能接近一致,并用干涉法来确定这种一致性。然后通过测量混合液的折射率,从而间接得知透镜折射率的测量方法。这种测量方法很容易达到±1×10~(-4)的精度。
Immersion - interference method to measure the refractive index of the lens is placed in the test lens filled with refraction of liquid containers, the solution through the mixture of refractive index and the refractive index of the lens as close as possible, and the interference method Determine this consistency. Then by measuring the refractive index of the mixture, indirect measurement of the refractive index of the lens is obtained. This measurement method is easy to achieve ± 1 × 10 ~ (-4) accuracy.