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FBT Coupler
Polarization Maintaining Coupler
Specifications
Wavelength ≤ 1280 nm
Parameter
Wavelength ≥ 1280 nm
Specified by customer
Center Wavelength
Operating Wavelength Range
Center wavelength ± 10 nm
Coupling Ratio
1% (± 3%) to 50% (± 5%)
Excess Insertion Loss
(slow axis input, including TDL)
≤ 0.7 dB
≤ 0.5 dB
Polarization Extinction Ratio
≥ 15 dB
≥ 20 dB
Return Loss
≥ 55 dB
Directivity
≥ 55 dB
Fiber Type
PM Panda Fiber
Operating Temperature
0° C to + 70° C
Storage Temperature
Package Dimensions
- 40° C ~ + 85° C
Light Duty ( B )
3.0mm (Ф) x 60.0mm (L)
3.0mm (Ф) x 55.0mm (L)
Medium Duty ( L )
3.0mm (Ф) x 65.0mm (L)
3.0mm (Ф) x 60.0mm (L)
Heavy Duty (K, R)
100.0mm x 12.0mm x 8.0mm
*There will be 1.0 dB less for extinction ratio if connector is added.
Note 1: All values specified are without connectors.
Ordering Information
P M C –
–
Align Axis
S: Slow
F: Fast
–
Port Number
12: 1 x 2
22: 2 x 2
13: 1 x 3
14: 1 x 4
–
Coupling Ratio
xy % : xy %
EVEN: Even split
2210 Lind Ave SW, Suite 100 Renton, WA 98057 USA
(425) 277-8000 ph (425) 277-5280 fax
–
Center Wavelength
Examples
0980: 980 nm
1480: 1480 nm
Fiber Length
1: 1 meter
2: 2 meter
S: Special
0: 0.5 meter
–
–
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
[email protected]
www.lightel.com
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