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根据液晶的电光效应和Lyot滤波器的原理设计了Lyot型液晶电光滤波器,并且从理论和实验上证明了其可行性。为了扩展其在红外波段的应用,设计了FP腔液晶可调谐滤波器,并且给出了其理论模拟。理论模拟证明FP腔液晶可调谐滤波器具有调谐范围大、带宽窄、精细度高等优点。
According to the electro-optic effect of liquid crystal and the principle of Lyot filter, Lyot liquid crystal electro-optic filter is designed, and its feasibility is proved theoretically and experimentally. In order to extend its application in the infrared band, a FP-cavity liquid crystal tunable filter is designed and its theoretical simulation is given. The theoretical simulation proves that the FP cavity liquid crystal tunable filter has the advantages of large tuning range, narrow bandwidth and high precision.