|
Key Features: Application:
♦Low insertion loss ♦EDFA&Raman ampfier
♦High extinction ratio ♦Fiber instrument
♦High isolation ♦Fiber sensor
♦High stability and reliability ♦Laser
Specification:
Type
Parameter
|
Unit
|
Type A
|
Type B
|
Center Wavelength
|
nm
|
1550
|
1550
|
Operating wavelength range
|
nm
|
±20
|
±20
|
Excess Loss (port 1 to port 2/3, port
2/3 to port 4)
|
dB
|
≤1.5
|
≤1.5
|
Isolation at 23℃(port 2/3 to port 1,
port 4 to port 2/3)
|
dB
|
≥45 Typ.50
|
≥20 Typ.30
|
Wavelength Dependent Loss
|
dB
|
0.3 Typ.0.2
|
0.3 Typ.0.2
|
Uniformity between port 2 and port
3(only for 50/50 coupling ratio type)
|
dB
|
≤0.4 Typ.0.25
|
≤0.4 Typ.0.25
|
Polarization Extinction Ratio
|
dB
|
≥22
|
≥20
|
Directivity
|
dB
|
≥50
|
≥50
|
Return loss
|
dB
|
≥50
|
≥50
|
Max. Optical Power (CW)
|
mW
|
300
|
Tensile load
|
N
|
5
|
Fiber type
|
|
PM Panda fiber
|
Operating temperature
|
℃
|
-5-70
|
Storage temperature
|
℃
|
-40-+85
|
Package Dimensions
|
mm
|
5.5*35
|
For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower. The default connector key is aligned to slow axis
Ordering Information:
PMCIRC
|
Port
|
Typ
e
|
Wavelen
gth
|
Coupling
Ratio
|
Pigtail Type
|
Fiber
Type
|
Length
|
Connector
|
|
4=4
Port
|
A
B
|
1550
|
50%=50/50
33%=33/66
%
-
-
-
|
250=250um bare
fiber 900=900um
loose tube
3000=3mm loose
tube
|
5=Panda
fiber
|
0.8=0.8m
|
NE=None
FA=FC/APC
FC=FC/UPC
SA=SC/APC
SC=SC/UPC
XX=Other
|
For drawings, technical data or samples configuration other than stated above, please feel free to contact us:
sales@lightwit.com.cn |