Online monitor system for electron beam irradiation experiment on LED

Yichao MA; Na ZHU; Hongshe DANG; Sen QIAN; Jingkai XIA; Zhigang WANG; Chao LIU; Guangpeng AN; Feng GAO; Yinhong ZHANG

doi:10.11889/j.0253-3219.2016.hjs.39.050401

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Online monitor system for electron beam irradiation experiment on LED

更新时间：2021-05-25

- Online monitor system for electron beam irradiation experiment on LED
- NUCLEAR TECHNIQUES Vol. 39, Issue 5, Article number: 050401(2016)
- 作者机构：
  
  1.陕西科技大学西安 710021;
  2.核探测与核电子学国家重点实验室北京 100049;
  3.中国科学院高能物理研究所北京 100049;
  4.中国科学院大学北京 100049;
  5.天津工业大学天津 300387
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2016.hjs.39.050401
  CLC： TL822<sup>+</sup>.6
- Received：14 January 2016，
  
  Accepted：2016-03-17，
  
  Published：25 January 2016
- 稿件说明：
移动端阅览
Yichao MA, Na ZHU, Hongshe DANG, et al. Online monitor system for electron beam irradiation experiment on LED[J]. Nuclear techniques, 2016, 39(5): 050401
DOI：

Yichao MA, Na ZHU, Hongshe DANG, et al. Online monitor system for electron beam irradiation experiment on LED[J]. Nuclear techniques, 2016, 39(5): 050401 DOI： 10.11889/j.0253-3219.2016.hjs.39.050401.

摘要

随着发光二极管(Light Emitting Diode

LED)应用需求的增加

对其电子束辐照效应的研究是目前的热点

因此需要设计一个数据获取系统

实时监测发光二极管性能参数在辐照过程中的变化。利用小电流计、功率计、光谱仪、低压电源等设备完成系统硬件搭建

以LabVIEW为开发平台完成了对串行通讯接口RS-232、通用串行总线(Universal Serial Bus

USB)和局域网(Local Area Network

LAN)三种接口通信协议的软件实现

并进行数据存储和显示

在局域网内利用远程桌面连接实现远程监测。利用该系统完成了在1.5GeV电子束辐照过程中对GaN光电特性参数和环境参数的实时采集、存储和显示。

Abstract

Background:

With the increasing demand of light emitting diode(LED)

radiation effect of the electron beam on LED is becoming a research hotspot.

Purpose:

This study aim is to build up a data acquisition system for monitoring the changes of LED parameters during the irradiation process.

Methods:

First of all

a small current meter

power meter

spectrum analyzer

low-voltage

power supply and other equipments were used to build the hardware platform. Then communication protocols for RS-232

USB and LAN interface were implemented by using LabVIEW software developing platform. Functionalities for data storage and real-time display of LED optoelectronic properties

environmental parameters and track changes of LED photoelectric parameters with radiation time were achieved through this system. Finally

remote monitoring is realized by using the remote desk process technology

via

the local area network(LAN).

Results:

The above mentioned system was successly applied to a practical irradiation experiment on LED with electron beam energy of 1.5 GeV to real-timely store and display the LED optoelectronic properties and environmental parameters during irradiation process.

Conclusion:

The system is reliable and suitable for monitoring changes of LED photoelectric parameters with irradiation.

关键词

Keywords

references

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