optical power meter

Dual Channel Optical Power Meter With Intellectual Faculties GJ& 2490

GJ-2490双通道智能化光功率计

Realizing Principle of Work about Universal Optical Power Meter

一种通用光功率计的实现原理

The optical power meter, which is suitable for engineering construction site, portable, easy operation and steady performance, has great demand.

适用于工程施工现场便于携带、操作简便、性能能稳定的光功率计的需求量与日剧增。

The main contents are as follows: 1. An improved adjustable current source is used to design a laser driver circuit with hot-plug function; a large photosensitive area photodiode and a wide dynamic range logarithmic converter are used to design an optical power meter.

主要研究内容如下：1.对可调电流源进行改进，设计出了具有热插拔功能的激光器驱动电路；利用大光敏面的光电二极管和宽动态范围的对数运算放大器，设计出了光功率计。