1570nm 1x2 2x2 SM Fiber Fused Coupler

Wavelength: 1570nm

Fiber Type: SMF-28e Fiber

Max. Optical Power: 2W CW

1570nm 1x2 2x2 SM Fiber Fused Coupler
           1570nm 1x2, 2x2 SM Fused Coupler is built with fused biconical taper (FBT) technology, optical signal power can be 
splitted into two parts with even or various coupling ratio by the FBT Coupler, it's widely applied in fiber optic transmission 
and fiber optic sensor field, the MM and PM types are available upon request. 

Application:
Features:
Optical Signal Transmission
Fiber Optic Sensor
Fiber Amplifier
Optical Diffraction System
Low Excess Loss
High Return Loss
Low Insertion Loss
High Reliability
Specification:
Parameter Symbol Value Unit
Center Wavelength λ 1570 nm
Bandwidth BW ±10 nm
Max. Excess Loss EL 0.1 dB
Max. Insertion Loss 50/50 IL 3.4/3.4 dB
40/60 4.4/2.6 dB
30/70 5.7/1.9 dB
20/80 7.6/1.25 dB
10/90 10.65/0.65 dB
5/95 13.8/0.4 dB
3/97 16.15/0.3 dB
2/98 18.05/0.25 dB
1/99 21.15/0.2 dB
Max. Polarization Dependent Loss PDL 0.1 dB
Min. Directivity 50 dB
Min. Return Loss RL 50 dB
Fiber Type SMF-28e fiber -
Max. Tensil Load 5 N
Max. Optical Power (CW) P 2 W
Operating Temperature T -40~75
Storage Temperature T -40~85
Package Dimension Φ3.0xL40 for Bare Fiber
Φ3.0xL54 for Bare Fiber or 900um Loose Tube
90x20x10 for 2.0 or 3.0mm Loose Tube
100x80x10 for 2.0 or 3.0mm Loose Tube
mm
Notice: Above specifications are tested at center wavelength without connector in room temperature @23
              For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower, Connectors only 1W CW optical power guarantee.
Drawing:
Ordering Information (Part Number):
 SMFUC-WWWW-PP-RR-FF-D-J-LL-CC
 WWWW  PP  RR  FF  D  J  LL  CC
 Wavelength  Port  Coupling 
 Ratio
 Fiber Type  Package Dimension  Fiber Jacket  Fiber Length  Connector 
 1310 - 1310nm  12 - 1x2  01 - 1/99  S2 - SMF-28e  1 - Φ3.0x40mm  B - 250um Bare Fiber  05 - 0.5m  NE - None
 1480 - 1480nm  22 - 2x2  02 - 2/98  SS - Specify  2 - Φ3.0x54mm  9 - 900um Loose  10 - 1.0m  FA - FC/APC
 1550 - 1550nm  03 - 3/97  3 - 90x20x10mm       Tube  15 - 1.5m  FU - FC/UPC
 1570 - 1570nm  05 - 5/95  4 - 100x80x10mm  2 - 2.0mm Loose   20 - 2.0m  SA - SC/APC
 1590 - 1590nm  10 - 10/90       Tube  SS - Specify  SU - SU/APC
 1625 - 1625nm  20 - 20/80  3 - 3.0mm Loose   LA - LC/APC
 30 - 30/70       Tube  LU - LC/UPC
 40 - 40/60  SS - Specify
 50 - 50/50
 SS - Specify

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