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首页> 外文会议>Physical Concepts and Materials for Novel Optoelectronic Device Applications II >Two-dimensional photodetector with the light-controlled area of photosensitivity
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Two-dimensional photodetector with the light-controlled area of photosensitivity

机译：具有光敏区域的二维光电探测器

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Abstract: A new type of semiconductor photosensor has been suggested and designed. Its major feature is that the size and configuration of the photosensitive region on the working surface, as well as the value of its photosensitivity to registered light, are governed by control light flux. This allows us to use the new device in optical data processing systems for various important fields, such as image signal forming, determination of light spot center position, and others. The photodetector is based on a new effect of photoinduced reversible local electric field redistribution due to the space charge of free photocarriers. On the basis of field redistribution measurements the suitable semiconductor structures were found and the first samples of the light controlled photodetector were realized. They have demonstrated rather high detectability at the control light intensity about 10$+$MIN@2$/ W/cm$+2$/, spatial resolution up to 5 lines/mm, and speed of 10$+5$/ cycles/s. !3
机译：摘要：提出并设计了一种新型的半导体光电传感器。其主要特征是工作表面上光敏区域的大小和构造以及其对配准光的光敏度值由控制光束控制。这使我们能够在光学数据处理系统中将新设备用于各种重要领域，例如图像信号形成，光斑中心位置的确定等。光电探测器基于自由光载流子的空间电荷而产生的光诱导可逆局部电场再分布的新效应。根据场再分布测量，找到了合适的半导体结构，并实现了光控光电探测器的第一个样品。在控制光强度大约为10 $ + $ MIN @ 2 $ / W / cm $ + 2 $ /，高达5线/ mm的空间分辨率和10 $ + 5 $ /个循环/的速度下，它们表现出了很高的可检测性。 s。 ！3

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