Low Insertion Loss

CATV System 

High Return Loss

CWDM/DWDM Modulea

High Reliability & Stability

EPon/Gpon Networks 

Specifications

Parameters

Unit

Values

Type

nm

5598 

Transmission Wavelength

nm

1520~1580 

Reflection Wavelength

nm

960~990 

Max.Insertion Loss of Transmission Channel

dB

0.7 

Max.Insertion Loss of Reflection Channel

dB

0.5 

Min.Transmission Isolation@Reflection Wavelength

dB

30 

Min.Reflection Isolation@Transmission Wavelength

dB

15 

Max.Channel Flatness

dB

0.4

Min.Extinction Ratio at 23℃

dB

18

Max. Wavelength Thermal Stability

nm/℃

0.003

Max. Insertion Loss Thermal Stability

dB/℃

0.005

Min.Return Loss

N

50

Max.Power Handling (CW)

mW

300

Operating Temperature

℃

0~+70 

Storage Temperature

℃

-40~+85

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

    PMFWDM-1111-23-444-555-678-999

1111

-Operating Wavelength:

5548=T1550nm/R1480nm, 5598=T1550nm/R980nm, 0608=T1064nm/R980nm,......

2

-Pump Type:

F=Forward, B=Backward

3

-Axis Alignment for Signal Route：

B=Both Axis Working, F=Slow Axis Working, Fast Axis Blocked

444

-Fiber Type for Com & Pass:

001=PM1550, 002=PM1310, 003=PM980, 004=Hi1060, 008=SMF-28E

555

-Fiber Type for Ref

001=PM1550, 002=PM1310, 003=PM980, 004=Hi1060, 008=SMF-28E

6

-Package Dimension：

0=φ5.5x35mm, S=Specified

7

-Pigtail Type:

0=250μm bare fiber, 1=900μm loose tube

8

-Fiber Length:

0=0.8m,1=1m

999

-Connector for Com, Ref, Pass:

0=FC/UPC,1=FC/APC,2=SC/UPC,3=SC/APC,4=LC/UPC,5=LC/APC