Dual Window Broadband Coupler
DiCon’s Dual Window Broadband Coupler is a compact low
loss singlemode component designed for splitting power
signals in the 1550 nm and 1310 nm windows.
Specifications
1
Grade
Uniformity
2
Directivity
Back-reflection
Thermal stability
Fiber type
Operating temperature
Storage temperature
Premium
Standard
0.8 dB max.
1.2 dB max.
50 dB min. (for 1 X 2)
60 dB min. (for 2 X 2)
-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
0
C to + 85
0
C
Ordering Information
DBC -
Tap Ratio
1
2
5
10
20
30
40
50
1%
2%
5%
10%
20%
30%
40%
50%
1270 - 1350 nm &
1510 - 1590 nm
Specify value
Premium
Standard
-
-
-
-
-
-
Passband
13/15
X
1. All specifications referenced without connectors.
2. For 50/50 coupler only.
Coupling Ratio Table
Tap
ratio
1%
2%
Insertion loss P1
Premium Standard
0.3
0.3
0.4
0.6
1.2
1.9
2.7
3.6
0.4
0.4
0.5
0.8
1.4
2.1
2.9
3.9
Insertion loss P2
PDL
Premium Standard Premium Standard
23.5
19.8
15.2
11.8
7.9
6.0
4.7
3.6
24
21
18
12.7
8.4
6.4
5
3.9
0.25
0.25
0.25
0.25
0.25
0.2
0.15
0.15
0.25
0.25
0.25
0.25
0.25
0.2
0.2
0.2
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
5%
10%
20%
30%
40%
50%
Low insertion loss
Low PDL
Low wavelength dependence loss
Tested to Telecordia GR-1221 (bare fiber version)
Applications
Dual Window Broadband Couplers are designed for use in
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
0043A
Fused Fiber Couplers
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Dual Window Broadband Coupler
Fused Fiber Couplers
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