基于波导多层存储的PMT输出信号的处理  

Processing of the signal of PMT based on waveguide multi-layer optical memory

作　　者：李莉[1] 贾宏志[1] 张培茗[1] 范雪亭[1] 陈家壁[1] 庄松林[1] 

机构地区：[1]上海理工大学光学与电子信息工程学院,上海200093

出　　处：《电子测量技术》2006年第5期27-29,共3页Electronic Measurement Technology

基　　金：上海市科技发展基金(03610533);上海市教委重点学科(4期);上海市教委科技发展基金(04EB05);上海市重点学科建设(T0501)资助项目

摘　　要：波导多层存储是一种基于新原理的三维光存储新技术,它利用波导缺陷的光散射效应读出数据,实验采用光电倍增管(PMT)接收光盘信息坑的散射光强,因此如何对PMT的输出信号进行处理是波导多层存储须解决的关键技术之一。本文介绍了用来处理PMT输出信号的实验装置。实验结果表明该装置能够很好地对PMT的输出信号进行处理,利用该装置可以检测出有无信息坑时信号的变化及单个信息坑的散射光强,为波导多层存储的进一步研究打下了基础。Waveguide multiplayer optical memory is a kind of new 3D optical memory based on new principle. It can read the data by utilizing the scattering light effect of waveguide defect. PMT is used to take over the scattering light of the disk. So how to process the output of the PMT is a key technique to be dealt with. This paper introduces the set to process the output of the PMT. The experiment result indicates that this set can process the signal of the PMT very well, and can detect the change of the signal while there is an information pit or not and also can detect the scattering light of the single information pit which favors the advance of the waveguide multiplayer optical memory.

关 键 词：光电探测 散射光 光电倍增管 波导多层存储 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]