Fiber
Optics
FBT Coupler
Three Window Wideband Coupler
Specifications (50/50)
Parameter
Operating Wavelength Range
Insertion Loss
Uniformity
Return Loss
PDL
TDL
Operating & Storage Temperature
Package Dimensions
Light Duty ( B )
Medium Duty ( L )
Heavy Duty (K, R)
Premium
≤ 3.6
dB
≤ 0.7
dB
≥ 55
dB (1x2)
≥65
dB (2x2)
≤ 0.15
dB
- 40° C ~ + 85° C
3.0mm (Ф) x 55.0mm (L)
3.0mm (Ф) x 60.0mm (L)
100.0mm x 12.0mm x 8.0mm
A Grade
≤
3.8 dB
≤
1.0 dB
≤
0.2 dB
1260-1360 nm, 1480-1550 nm, 1535-1570 nm
≤ 0.2
dB (-10°C ~ +75°C)
≤ 0.35
dB (-40°C ~ +85°C)
Tap Coupler
Coupling Ratio
40/60
30/70
20/80
10/90
5/95
1/99
Premium
4.7/2.7 dB
6.0/1.9 dB
7.9/1.2 dB
11.3/0.6 dB
15.0/0.4 dB
23.5/0.3 dB
A Grade
5.0/2.5 dB
6.4/2.2 dB
8.5/1.4 dB
12.7/0.8 dB
16.0/0.5 dB
25/0.4 dB
Tree Couplers
*Port #
1x4
1x8
1 x 16
1 x 32
Max IL
Premium
7.2 dB
11.0 dB
14.4 dB
18.1 dB
A Grade
7.6 dB
11.3 dB
15.2 dB
19.0 dB
Uniformity
Premium
1.3 dB
2.0 dB
2.7 dB
3.4 dB
A Grade
1.8 dB
2.4 dB
3.2 dB
4.2 dB
*Other port numbers upon request.
09/18 / V02 / IF / lightel/couplers/three-window-wideband-coupler
Note1: All values specified are without connectors.
Note2: Higher performance specifications are available upon request.
Note3: Fiber Type – Corning SMF-28e.
Ordering Information
T W C
–
Port Number
12: 1 x 2
14: 1 x 4
18: 1 x 8
16: 1 x 16
32: 1 x 32
–
Grade
P: Premium
A: A Grade
–
Coupling Ratio
xy % : xy %
–
Fiber Length
1: 1 meter
2: 2 meter
S: Special
–
Pigtail Style
(=Package style)
B: bare fiber
L: 900
m
loose tube
K: 2mm cable
R: 3mm cable
–
Connector
0: None
7: LC/UPC
1: FC/PC
8: LC/SPC
2: FC/APC 9: Special
3: SC/ PC
A: FC/UPC
4: SC/APC B: SC/UPC
5: FC/SPC
C: ST
6: SC/SPC
1
Germany & Other Countries
Laser Components GmbH
Tel: +49 8142 2864 – 0
Fax: +49 8142 2864 – 11
info@lasercomponents.com
www.lasercomponents.com
United Kingdom
Laser Components (UK) Ltd.
Tel: +44 1245 491 499
Fax: +44 1245 491 801
info@lasercomponents.co.uk
www.lasercomponents.co.uk
PCB Design
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