中文摘要：

根据光学电流传感器系统中传感头结构及传感机理对其进行分类,详细介绍了全光纤型、块状玻璃型、混合型光纤电流传感器及光纤光栅型电流传感器的传感原理及研究现状,并对它们的优缺点进行比较分析。最后对光学电流传感器的未来研究前景进行展望。

英文摘要：

The classification of optical current sensors is reviewed according to the sensor head structure and sensing mechanism,including the sensing principle and present research of all fiber optical current sensor,bulk glass optical current sensor,hybrid optical current sensor and optical fiber Bragg grating current sensor.Their features are also compared and analyzed.The future outlook in this field is introduced in the end.