Fused Coupler type Fixed attenuator 1x1
Coupler type fixed attenuator is made by fused biconical taper technology, with port configuration 1x1, attenuation value from 1dB to 30dB, single mode and Polarization maintaining are available.
Feature
Low excess loss
Low PDL
Application
Optical communication system
CATV
Fiber Optical Sensor
Test instrument
Specification
|
Parameter |
Unit |
Value |
|
Central Wavelength |
nm |
1310/1550, 1310, 1550, or specify |
|
Bandwidth |
nm |
+/-40 |
|
Configuration |
|
1x1 |
|
Attenuation value |
dB |
1, 3, 5, 10, 15, 20, … |
|
Attenuation Tolerance |
|
+/-0.3dB(<5dB), +/-10%(≥5dB) |
|
Return Loss |
dB |
≥50 |
|
Polarization Dependent Loss |
dB |
≤0.1 |
|
Fiber Pigtail |
|
bare fiber, or 900um tube |
|
Operating Temperature |
°C |
-20 to +75 |
|
Storage Temperature |
°C |
-40 to +85 |
|
Package Dimension |
|
Stainless steel tube |
Above value is for device without connectors. |
Fused Coupler
