Singlemode Dual Window Fiber Optic Coupler(FBT Coupler)
Model : SMDWC
Flyin Optronics'Singlemode Dual Window Coupler 1x2, 2x2 offer very low insertion loss, low polarization dependence and excellent environmental stability. Accurate coupling ratio from 50/50 to 1/99, fiber type 250um bare fiber, 3mm and 900um loose tube fiber are available with very tight uniformity in a wide wavelength range of both 1310 nm and 1550 nm windows. Singlemode dual window coupler find extensive application to perform power splitting and monitoring functions in all kinds of optical communication systems.
Features
l Low Excess Loss
l Various Coupling Ratio
l Compact Size
Applications
l Long-haulTelecommunications
l CATV Systems & FiberopticSensors
l Local Area Network
Performance Specifications
Singlemode Dual Window Wideband Couplers | ||
Grade | P | A |
Coupling Ratio (%) | 50/50 | 50/50 |
Excess Loss (Typical) (dB) | 0.07 | 0.1 |
Maximum lnsertion loss (dB) | 3.6 | 3.8 |
Uniformity (Max.) (dB) | 0.7 | 1.0 |
Polarization Sensitivity (dB) | 0.10 | 0.15 |
Operating Wavelength (nm) | 1310 / 1550 ± 40, 1310*1585 ± 40, or custom wavelength | |
Coupling Ratio/insertion Loss Conversion Chart
Coupling Ratio | lnsertion Loss | |
Premium | A Grade | |
40/60 | 4.7/2.7 | 5.0/2.9 |
30/70 | 6.0/1.9 | 6.4/2.1 |
20/80 | 7.9/1.2 | 8.5/1.4 |
10/90 | 11.3/0.5 | 12.0/0.8 |
5/95 | 14.0/0.35 | 14.6/0.43 |
1/99 | 22.5/0.25 | 23.0/0.35 |
Coupling Ratio(%) | 1~50 | |
Directivity (dB) | >55 | |
Operating Temperature (℃) | -20 - + 85 | |
Storage Temperature (℃) | -40 - + 85 | |
Fiber Type | Corning Singlemode SMF-28, DS Fiber, or flexcore | |
Fiber Pigtail Length (m) | 1 | |
Port Configuration | 1x2 or 2x2 | |
Package Dimension | Package D,E,F,G | |
Package Dimensions & Pigtail Style
Package Dimensions: | |
Package D: | 3mm x 40mm stainless steel tube |
Package E: | 3mm x 54mm stainless steel tube |
Package F: | 3mm x 60mm stainless steel tube |
Package G: | 10mm x 20mm x 90mm case |
Pigtail Style: | |
Package D,E, : | 250um bare fiber |
Package F: | 250um bare fiber or 900um loose tube |
Package G: | 2mm,3mm cable or 900um loose tube |
Ordering Information
X | X | XX | XX | XXXX | X | X | X | XX |
Type | Grade | Wavelength | Coupling Ratio | Port | Package | Pigtail Style | Fiber Type | ln/Out Connector |
S W | S P A | 35=1310/1550nm 36=1310/1585nm | 50=50/50 30=30/70 10=10/90 05=5/95 01=1/99 | 0102=1x2 0202=2x2 | D=D type E=E type F=F type G=G type | 1=Bare Fiber 2=900μm loose tube 3=3mm Cable 4=2mm Cable | 0=SMF-28 D=DS Fiber S=Special | 0=None 1=FC/APC 2=FC/PC 3=SC/APC 4=SC/PC 5=ST 6=LC X=Special |
*Type: S---Singlemode Standard Coupler
W---Singlemode Widband Coupler
