850nm Large Core 1x2 2x2 MM Fiber Fused Coupler

Wavelength: 850nm

Fiber Type: 105/125, 200/230 MM Fiber

Max. Optical Power: 2W CW

850nm Large Core 1x2 2x2 MM Fiber Fused Coupler
          850nm Large Core 1x2 2x2 MM Fiber 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.

Application:
Features:
Optical Signal Transmission
Fiber Optic Sensor
Testing System
Optical Diffraction System
Low Excess Loss
High Return Loss
Low Insertion Loss
High Reliability
Specification:
Parameter Symbol Value Unit
Center Wavelength λ 850 nm
Bandwidth BW ±40 nm
Max. Excess Loss EL 0.7 dB
Max. Insertion Loss 50/50 IL 3.7/3.7 dB
40/60 4.7/2.7 dB
30/70 6.0/2.1 dB
20/80 7.8/1.4 dB
10/90 11.2/0.9 dB
5/95 14.5/0.7 dB
3/97 17.5/0.6 dB
2/98 18.6/0.6 dB
1/99 22.0/0.2 dB
Min. Directivity 40 dB
Fiber Type 105/125, 200/230 MM 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. Connectors only 1W (Continue Wavelength) optical power guarantee.
Drawing:

Ordering Information (Part Number):
 MMFUC-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 
 850 - 850nm  12 - 1x2  01 - 1/99  M1 - 105/125  1 - Φ3.0x40mm  B - 250um Bare Fiber  05 - 0.5m  NE - None
 1310 - 1310nm  22 - 2x2  02 - 2/98  M2 - 200/230  2 - Φ3.0x54mm  9 - 900um Loose Tube  10 - 1.0m  FA - FC/APC
 1550 - 1550nm  03 - 3/97  SS - Specify  3 - 90x20x10mm  2 - 2.0mm Loose Tube   15 - 1.5m  FU - FC/UPC
 SSS - Specify  05 - 5/95  4 - 100x80x10mm  3 - 3.0mm Loose Tube  20 - 2.0m  SA - SC/APC
 10 - 10/90  SS - Specify  SU - SU/APC
 20 - 20/80       LA - LC/APC
 30 - 30/70       LU - LC/UPC
 40 - 40/60  SS - Specify
 50 - 50/50
 SS - Specify

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