| Title |
Polarimetric Fiber-optic Current Transformer using a Spun Fiber |
| Authors |
Hyung-Joon Park; Hyun-Jin Kim ; Min-Ho Song |
| Keywords |
Fiber-Optic CT ; Spun Fiber ; Twisted Fiber ; Faraday Rotator Glass ; Flint Glass Fiber |
| Abstract |
A polarimetric fiber-optic CT has been developed by using a sensing coil made of a length of sun fiber. A Faraday rotator mirror is attached to the end of the sensor coil to double the sensitivity and to suppress the residual linear birefringence effect. From the current measurements, the linear error no more than ±2[%] was obtained. The output of spun fiber sensor coil was compared with those of the twisted- and the flint glass fiber"s, and it turned out to almost 50 times, 2 times more sensitive, respectively. |