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七十年代中,八十年代初,在示波管领域内起升了一颗超新星——多色示波管。直至现在它已有三种类型的结构。液晶型多色示波管首先由美国Tektronix公司推出6·5″管基本结构如图1所示。简言之,即在普通示波管前加一液晶彩色光闸(Shutter)。彩色光闸的结构如图1所示。即在一组红-绿偏振光片和线性偏振光片之间嵌置一层尽可能薄的、能尽量扩大视角、并能满足整半波光程差的以及可变光程半波长液晶光学延迟元件。其轴线与偏振光片轴线呈45°倾斜角。
In the mid-1970s and early 1980s, a supernova-multicolor tube was launched in the field of oscilloscopes. Until now it has three types of structure. LCD multi-color tube first introduced by the United States Tektronix company 6.5 "tube basic structure shown in Figure 1. In short, that is, in front of the ordinary tube plus a liquid crystal color shutter (Shutter). The structure shown in Figure 1. In a set of red-green polarizer and linear polarizer embedded between a layer as thin as possible to maximize the viewing angle and to meet the entire half-wave optical path difference and can Variable optical half-wavelength optical delay element whose axis is at an oblique angle of 45 ° to the axis of the polarizer.