调制激光致载流子辐射中信号的频域特性

秦雷; 刘俊岩; 龚金龙; 宋鹏; 王扬

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调制激光致载流子辐射中信号的频域特性

秦雷, 刘俊岩, 龚金龙, 宋鹏, 王扬

文章导航 > 红外与激光工程 > 2013 > 42(10): 2642-2645,2650

秦雷, 刘俊岩, 龚金龙, 宋鹏, 王扬. 调制激光致载流子辐射中信号的频域特性[J]. 红外与激光工程, 2013, 42(10): 2642-2645,2650.

引用本文:

秦雷, 刘俊岩, 龚金龙, 宋鹏, 王扬. 调制激光致载流子辐射中信号的频域特性[J]. 红外与激光工程, 2013, 42(10): 2642-2645,2650.

Qin Lei, Liu Junyan, Gong Jinlong, Song Peng, Wang Yang. Frequency characteristics of modulated laser-induced infrared photocarrier radiometry[J]. Infrared and Laser Engineering, 2013, 42(10): 2642-2645,2650.

Citation:

Qin Lei, Liu Junyan, Gong Jinlong, Song Peng, Wang Yang. Frequency characteristics of modulated laser-induced infrared photocarrier radiometry[J]. Infrared and Laser Engineering, 2013, 42(10): 2642-2645,2650.

调制激光致载流子辐射中信号的频域特性

1.
哈尔滨工业大学航空宇航制造工程系,黑龙江哈尔滨 150001

基金项目:

国家自然科学基金（51173034，51074208）

详细信息

作者简介:
秦雷（1984- ），男，博士生，主要从事半导体光电检测和红外检测技术研究。Email：qinleihit@163.com；王扬（1960- ），男，教授，博士生导师，博士，主要从事激光加工、红外检测、切削技术和纳米技术等方面的研究。Email：wyyh@hit.edu.cn

秦雷（1984- ），男，博士生，主要从事半导体光电检测和红外检测技术研究。Email：qinleihit@163.com；王扬（1960- ），男，教授，博士生导师，博士，主要从事激光加工、红外检测、切削技术和纳米技术等方面的研究。Email：wyyh@hit.edu.cn

中图分类号: TN24

Frequency characteristics of modulated laser-induced infrared photocarrier radiometry

1.
Aeronautics and Astronautics Manufacturing Engineering,Harbin Institute of Technology,Harbin 150001,China

摘要: 基于载流子辐射（PCR）检测太阳能电池的理论模型，对调制激光致载流子辐射检测中电路状态对频域信号的影响进行了数值仿真分析，得到不同外部电阻下的频域响应幅值曲线；使用所建立的检测实验系统对Si基太阳能电池片进行了检测，对不同电路状态下的幅值图与相位图进行了对比分析，对比不同电路状态下的辐射强度幅值，依据实验所得到的频域响应曲线，拟合计算了载流子的寿命参数。结果表明：PCR技术检测太阳能电池，电路状态为开路时辐射幅值最大，随着外部负载电阻的减小，辐射幅值逐渐较小，相位的变化并不明显，短路时的辐射幅值最小；各电路状态下的拟合寿命相近，载流子辐射检测太阳能电池技术中可以用开路状态的频域检测结果预测其他电路状态的频域响应结果和载流子参数拟合计算方法。
- 太阳能电池检测 /
- 载流子辐射 /
- 电路状态影响 /
- 拟合寿命
Abstract: Based on the theoretical model of photocarrier radiometry (PCR) testing solar cells, numerical simulation analysis was proceeded to study the influence of different circuit states in frequency domain response signal, and amplitude response curves were achieved with different external load resistors. Experiments were carried out with built set-up for photocarrier radiometry diagnostic approach for Si solar cells. The feature of amplitude diagram and phase diagram were stated. The effect of different circuit states on test results was discussed. At last the fitting life time was compared in different circuit states to study whether circuit states affect the carrier parameter measurement. The results shows that open circuit state gives the highest amplitude in amplitude diagram, and the smaller the load resistance is, the lower amplitude becomes. However, phase didn't change clearly. The fitting life time is nearly consistent, not changed with circuit states, which shows the results of PCR testing solar cells in open circuit states can forecast frequency domain response results and carrier parameters fitting calculation in other circuit states.
- detection of solar cells /
- photocarrier radiometry /
- influence of circuit states /
- fitting carrier life time

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调制激光致载流子辐射中信号的频域特性

1. 哈尔滨工业大学航空宇航制造工程系,黑龙江哈尔滨 150001

作者简介:
秦雷（1984- ），男，博士生，主要从事半导体光电检测和红外检测技术研究。Email：qinleihit@163.com；王扬（1960- ），男，教授，博士生导师，博士，主要从事激光加工、红外检测、切削技术和纳米技术等方面的研究。Email：wyyh@hit.edu.cn

秦雷（1984- ），男，博士生，主要从事半导体光电检测和红外检测技术研究。Email：qinleihit@163.com；王扬（1960- ），男，教授，博士生导师，博士，主要从事激光加工、红外检测、切削技术和纳米技术等方面的研究。Email：wyyh@hit.edu.cn

收稿日期: 2013-02-07
修回日期: 2013-03-11
刊出日期: 2013-10-25

基金项目:

国家自然科学基金（51173034，51074208）

中图分类号: TN24

关键词:

摘要: 基于载流子辐射（PCR）检测太阳能电池的理论模型，对调制激光致载流子辐射检测中电路状态对频域信号的影响进行了数值仿真分析，得到不同外部电阻下的频域响应幅值曲线；使用所建立的检测实验系统对Si基太阳能电池片进行了检测，对不同电路状态下的幅值图与相位图进行了对比分析，对比不同电路状态下的辐射强度幅值，依据实验所得到的频域响应曲线，拟合计算了载流子的寿命参数。结果表明：PCR技术检测太阳能电池，电路状态为开路时辐射幅值最大，随着外部负载电阻的减小，辐射幅值逐渐较小，相位的变化并不明显，短路时的辐射幅值最小；各电路状态下的拟合寿命相近，载流子辐射检测太阳能电池技术中可以用开路状态的频域检测结果预测其他电路状态的频域响应结果和载流子参数拟合计算方法。

English Abstract

Frequency characteristics of modulated laser-induced infrared photocarrier radiometry

1. Aeronautics and Astronautics Manufacturing Engineering,Harbin Institute of Technology,Harbin 150001,China

Received Date: 2013-02-07
Rev Recd Date: 2013-03-11
Publish Date: 2013-10-25

Keywords:

Abstract: Based on the theoretical model of photocarrier radiometry (PCR) testing solar cells, numerical simulation analysis was proceeded to study the influence of different circuit states in frequency domain response signal, and amplitude response curves were achieved with different external load resistors. Experiments were carried out with built set-up for photocarrier radiometry diagnostic approach for Si solar cells. The feature of amplitude diagram and phase diagram were stated. The effect of different circuit states on test results was discussed. At last the fitting life time was compared in different circuit states to study whether circuit states affect the carrier parameter measurement. The results shows that open circuit state gives the highest amplitude in amplitude diagram, and the smaller the load resistance is, the lower amplitude becomes. However, phase didn't change clearly. The fitting life time is nearly consistent, not changed with circuit states, which shows the results of PCR testing solar cells in open circuit states can forecast frequency domain response results and carrier parameters fitting calculation in other circuit states.