Ultra Low PDL FBT Coupler
DiCon’s Ultra Low PDL FBT Coupler is a compact low loss
singlemode component designed for splitting power signals in
the 1550 nm or 1310 nm windows.
Specifications
1
Grade
Uniformity
2
PDL
Directivity
Back-reflection
Thermal stability
Fiber type
Operating temperature
Storage temperature
Premium
0.6 dB max.
0.05 dB max.
50 dB min. (for
60 dB min. (for
Standard
0.8 dB max.
0.1 dB max.
1 X 2)
2 X 2)
Ordering Information
UPC -
Tap Ratio
1
2
5
10
20
30
40
50
13
15
X
1%
2%
5%
10%
20%
30%
40%
50%
1285 - 1335 nm
1525 - 1575 nm
Specify value
Premium
Standard
-
-
-
-
-
-
-50 dB max. (for 1 X 2)
-60 dB max. (for 2 X 2)
0.002 dB/
0
C max.
9/125 Corning SMF-28
-40
0
C to + 70
0
C
-40 C to + 85 C
0
0
Passband C - P1
1. All specifications referenced without connectors.
2. For 50/50 coupler only.
Coupling Ratio Table
Tap
ratio
1%
Insertion loss P1
Premium
0.2
0.25
0.4
0.6
1.2
1.8
2.5
3.4
Standard
0.3
0.35
0.5
0.8
1.3
2.0
2.8
3.7
Insertion loss P2
Premium
21.5
19.0
14.6
11.0
7.5
5.6
4.4
3.4
Standard
23
20
18.4
12
8.0
6.1
4.8
3.7
Grade
1
2
Port Configuration
1x2
1
2
2x2
Connector Type
FC
FC/APC
FC/UPC
SC
SC/APC
SC/UPC
ST
ST/UPC
LC
LC/UPC
MU/UPC
N
2
9L
1
X
FC/SPC
FC/APC
FC/UPC
SC/SPC
SC/APC
SC/UPC
ST/SPC
ST/UPC
LC/SPC
LC/UPC
MU/UPC
None
250 micron, 200 kpsi bare fiber
900 micron, loose tube
1 meter
Specify X meters
Preliminary Datasheet
Features
2%
5%
10%
20%
30%
40%
50%
Applications
Ultra Low PDL FBT Couplers are designed for power splitting and
tapping telecommunication equipment, CATV networks, and test
equipment. These components are available individually or
integrated into DiCon’s modules for fiber protection switching,
MUX/DMUX, optical channel monitoring, and add/drop multiplexing
applications.
Housing Dimensions
Loose Tube Package
3.05
Fiber Jacket
Pigtail Length
62.0
Bare Fiber Package
2.54
47.0
51.0
Units: mm
Specifications subject to change. Copyright ©2001 DiCon Fiberoptics, Inc. All rights reserved.
DiCon Fiberoptics, Inc. 1689 Regatta Blvd. Richmond, CA 94804
Tel. (510)620-5000
Fax. (510)620-4100
www.diconfiber.com
0011C
Fused Fiber Couplers
•
•
•
•
Low insertion loss
Low PDL
Low wavelength dependence loss
Tested to Telecordia GR-1221 (bare fiber version)
Ultra Low PDL FBT Coupler
Fused Fiber Couplers
Fused Fiber Couplers
