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利用液晶的电光效应设计了液晶调谐滤光片 ,从实验结果上分析了其调谐性能 ,发现它具有较宽的调谐范围、较高的透射比、通带半宽度小、调谐电压较低等优点。
The liquid crystal tunable filter was designed based on the electro-optic effect of the liquid crystal. The tuning performance was analyzed from the experimental results. It was found that the tunable filter had the advantages of wider tuning range, higher transmittance, smaller half-width of the passband and lower tuning voltage .