Fiber Optic Current Sensing Flexible Coils
		Product Features	Product Applications
		All-fiber structure	Fiber optic current sensors
		Easy to install and transport	Lightning sensors
		Insensitive to shock and vibration	Polarization controllers
		Excellent temperature consistency and long term reliability	Polarization transformers
		Sensing coil can be wound on site

Polarization Evolution of Input Optical Signal

Specifications
Parameter			Unit
Central wavelength			nm	1310, 1480,1550
Bandwidth			nm	±30
Rotation pitch length of a nonrotating end fiber			mm	∞
Length of rotary pitch at rapidly rotating end			mm	3.2
Excess loss		Max	dB/meter	0.1
Excess loss		Typ	dB/meter	0.06
Mode field diameter		Typ	um	9.0±0.5
Radius of curvature		Min	mm	75
Operating temperature			°C	-40 to +70

Temperature characteristic

Schematic Diagram

Ordering Information

S

P

U

N

R

1

0

wavelength 4=1550nm 5=1480nm 7=1310nm S=Specify

Fiber Type P= Panda Fiber E= E-core Fiber

Pigtail M=0.9mm loose tube L=3mm cable

Fiber Length 0= 0.5 m 1= 1.0 m 2= 2.0 m 3= 3.0 m … 9= 9.0 m 10= 10.0 m

Connector Port1 0=None 1=FC/PC 2=FC/UPC 3=FC/APC

Connector Port2 4=Mirror

Note: 1. Central wavelength can be customized for different applications.
2. All specifications are subject to change without notice.
3. All data are measured at central wavelength at room temperature.