Liquid crystal filter system with a high precision for night vision is comprised of a wideband opticalfilter having a critical wavelength, and a liquid crystal notch filter.
高精度夜视液晶滤光系统包括一个具有临界波长的宽带光学滤光器和一个液晶陷波滤光器。
2
The F-P type tunable liquid crystal (LC) opticalfilter is a kind of compact tunable filter with narrow bandwidth and low tuning voltage.
型可调谐液晶光学滤波器是一种小体积窄带宽低压调谐滤波器。
3
The liquid crystal layers can serve as an optical anti-alias filter using birefringence properties of the liquid crystal layers.