The research and development of ultraviolet ( uv ) photodiode and liquid crystal light valve ( lclv ) were reviewed in this thesis . detailed descriptions were given of the structure and operation , material characteristics , preparation processing and applications of the two devices 全面介绍和回顾了当前紫外光电二极管和液晶光阀器件的研究与发展情况，对它们的工作原理，材料特性、制备工艺和应用背景作了详细的分析讨论。
Based on these above , the practical realization of bnxpi - x film applied in the ultraviolet band detecting device - ultraviolet liquid crystal light valve is discussed . the experiments and theory analyses prove that bnxpi - x film is a suitable candidate for ultraviolet liquid crystal light valve 在以上对氮化硼薄膜以及磷掺杂氮化硼薄膜制备工艺、性能和微结构研究分析的基础上，本论文还探讨了薄膜材料在紫外空间光探测器件?紫外液晶光阀上应用的可行性。
The transfer of the carrier in photoconductor is anisotropy owing to the column structure of the film is anisotropy . on the basis of the new concept suggested in this paper , the maximum diffusion length in the lateral direction of the photo - carrier in the photoconductor ( which is related to the resolution of lclv directly ) as function of conductivities of both in lateral and normal directions in the film can be obtained as the expression as following . the nc - si / a - si : h photoconductor of lclv deposited and crystallized at low temperature of exactly 250 c stack column structure by al inducing a - si : h 本文根据柱状结构存在各向异性的特点，并根据半导体物理知识，推出光导层光生载流子横向最大扩散长度(该扩散长度与液晶光阀光导层分辨率直接相关)与薄膜横向和纵向电导率关系的表达式为：由于a - si ： h在al金属的诱导作用下在不高于250的温度下即开始晶化，本文对用金属al诱导非晶硅晶化制备的nc - si a - si ： h薄膜进行研究。
In the lclv , the most important parameter , switching ratio of the lclv , is analyzed . it is mainly influenced by the dark - conductivity , ratio of light - to dark - conductivity , thickness of the photoconductor and the thickness of the liquid crystal . it is concluded that the switching ratio can be improved by matching the thickness of the liquid crystal and the photoconductpr , and the proper change region of the light conductivity of the photoconductor 在电学匹配方面，我们对光电导材料的暗态电阻、亮暗电导比、厚度以及液晶的厚度等对光阀开关比的影响进行了分析，认为液晶光阀开关能力的提高很大程度上取决于光电导层和液晶层的厚度匹配，以及光电导层的电导变化的区域位置。
The principle and the application of liquid crystal light valve ( lclv ) and the development of the photoconductor of lclv have been reviewed in this paper . the growth mechanism of amorphous silicon film is analyzed . the resolution of the photoconductor that is affected by the lateral diffusion of the photo - carrier in photoconductor layer is also analyzed 本文介绍了液晶光阀光导层的发展、液晶光阀的工作原理及应用，分析了非晶硅薄膜的生长机制以及载流子的横向扩散对分辨率的影响，详细研究了nc - si a - si ： h柱状结构复合光导层液晶光阀的制备工艺。
In this paper , the technical of the rubbing is also studied and good films are prepared . the lclv with nc - si / a - si : h columnar composite photoconductor is fabricated successfully in this work . the high quality image obtained by using nc - si / a - si : h column composite photoconductor lclv and shows the resolution about 5001p / inch 本文系统研究了nc st a sth柱状结构复合光导层液晶光阀的制备工艺条件，根据此工艺条件制备的液晶光阀的测试分辨率达到500 … inch 。
However , limited by the responsivity of the photo - sensitive layer in the device , nearly all of the currently used lclvs only worked in the visible to infrared spectrum region . to the best of our knowledge , there is no report so far on studies of visible blind uv - lclv using mbe - grown znsxse1 - x thin film with tunable response wavelength as the photo - sensitive layer 但是受光敏层材料对写入光波长的响应限制，目前绝大部分液晶光阀都只工作在可见和红外光范围，对以分子束外延生长的zns _ x ( se _ ( 1 - x ) ) (薄膜作为光敏层，响应波长连续可调的光盲紫外液晶光阀还未见报道。
Applying two perpendicular polarized light states and a no - light state to express information , this new theoretical system covers : a ) whole architecture constructed from light processing , light transmission , electric control and photoelectric input and output ; b ) various computing units mainly consist of liquid crystal element and polarimeter ; c ) light bus mainly consists of interlinkage optic valves ; d ) ternary memory formed from semiconductor memory ; e ) register formed from optic fiber ring ; and i ) huge - numeral management based on the new concept of calculating path and calculating channel 这个理论包括：光处理、光传送、电控制、综合输入输出的总体结构；以液晶元件和偏振器为主的各类运算器结构；以互连光阀为主的光空间总线；以半导体存储器为主的三值数据存储器结构；以光纤环为主的寄存器结构；以算位、算道新概念为基础的巨位数管理方案等。
The sinusoidal gray fringes are simulated by computer and projected on the object by the liquid - crystal light valve in this method , in with the phase - shifting is controlled by computer . then the deformed fringes modulated by object is collected by ccd camera , so optical 3 - d phase measurement for large - scale object can be realized ( b )针对目前大尺寸物体光学位相测量轮廓中存在的问题，提出一种用液晶光阀把模拟正弦分布及多幅有一定相移量的灰度条纹投影到大尺寸三维物体上，通过控制计算机在同一位置进行窗口变换，直接实现相移，进行物体的光学位相三维面形测量。
In this thesis , detailed description was given of the structure and operation of the novel znsxse1 - x visible blind uv - lclv . the opto - electronic requirements of znsxse1 - x photosensor for the device were derived and discussed from the uv - lclv electrical model and equivalent circuits . the pre - growth treatment of ito coated glass is essential for achieving high quality znsxse1 - x thin films 本文讨论了这种zns _ xse _ ( 1 - x )光盲紫外液晶光阀的结构和工作原理，并通过对器件电学模型的分析，导出为使器件正常工作， zns _ xse _ ( 1 - x )光敏层必须满足的结构参数和光电特性要求。
