激光干涉式非接触眼压测量弱光检测  

Research of Faint-Optical Signal Detection for the Non-contact Measurement of Iop Based on Laser Interferometry

作　　者：魏景芝[1] 王林斗[1] 李玉峰[1] 

机构地区：[1]天津大学

出　　处：《电子测量技术》2003年第4期20-21,共2页Electronic Measurement Technology

摘　　要：文中详细介绍激光干涉式非接触眼压测量的弱光检测工作原理。通过对系统进行理论分析和实验验证,表明该系统对低于30nW的微弱光信号进行可靠检测,从而解决了激光干涉式非接触眼压测量研究中的一个实质性问题。In this article, the working principle of faint-optical signal detection for the non-contact measurement of IOP based on laser interfer-ometry is introduced in detail. According to the theoretic analysis and experimental results, the system can reliably detect the faint-optical signal of 30nW, which solves an essential problem in the research of non-contact measurement of IOP based on laser interferometry.

关 键 词：激光干涉 非接触眼压测量 弱光检测 工作原理 光强 光电检测器 

分 类 号：R770.426[医药卫生—眼科]