• For Both 1310/1550nm windows
  • Low insertion loss.
  • Polarization insensitive.
  • Variety of coupling ratios.
  • High directivity.
  • Environmentally stable and reliable.
  • Telecommunications.
  • Signal monitoring tap.
  • Test equipments.
  • CATV.
  • Subscriber Loop.
  • Optical fiber sensors
  • Source distribution
Fiber Optic Communications, Inc.
Tel : +886-2-2914-8137
Fax: +886-2-2914-8038
sales3a@triplea.com.tw
The performance of the couplers/splitters has been carefully designed to meet the toughest Bellcore standards
TA-NWT-001221
  • Optical Characteristics
  • Vibration Test
  • Thermal Cycling
  • Impact Resistance
  • Salt Spray Erosion
  • Thermal Aging
  • Humidity Resistance
  • Others
* High Temperature Storage Test................... 80¢J for 5,000 hours
* Low Temperature Storage Test.................... -40¢J for 5,000 hours
* Damp Heat Test......................................... 75¢J/ 95% RH for 5,000 hours
* Thermal Cycling Test.................................. -40¢J/75¢J for 500 cycles
* Fiber Pulling Test....................................... 0.23kg for 250um fiber and 900um
loose tube 1.36kg for jacketed cable
* Water Immersion Test................................ 43¢J, pH = 5.5 168 hours
* Vibration Test............................................ 10 ~ 2,000Hz random, 20G, 3 axis
* Impact Test............................................... 8 drops, 1.8meters high
* Fiber Torsion Test...................................... 180¢X twist, both directions, 5N force
Specifications:
Parameter A Grade B Grade C Grade
Operation Wavelength (nm) 1310 and 1550
Typical Excess Loss (dB) 0.1 0.3 0.5
Uniformity ¡Ø0.8 ¡Ø1.2 ¡Ø2.0
Polarization Stability (dB) ¡Ó0.15 ¡Ó0.2 ¡Ó0.25
Directivity (dB) >55
Operation Temperature (¢J) -40 to +70
Temperature Coefficient (dB/¢J) < 0.002
Storage Temperature (¢J) -50 to +85
Package Dimensions (mm) Coated fiber: 3.0(¡í) x 54(L)
Loose tube: 3.5(¡í) x 65(L)
PVC: 95(L)x 11(W)x 9.5(H)
Coupling Ratio/Maximal Insertion Loss Chart:
Desired Splitting Ratio
 A Grade B Grade C Grade
50/50 3.6/3.6 3.9/3.9 4.8/4.8
40/60 4.7/2.7 5.0/2.9 5.8/3.6
30/70 6.0/1.9 6.4/2.1 7.4/2.7
20/80 7.9/1.2 8.5/1.4 9.8/2.0
10/90 11.3/0.6 12.7/0.8 15.8/1.4
5/95 15.2/0.4 18.9/0.5 20.9/0.9
1/99 23.5/0.2 24.0/0.4 24.3/0.6
Ordering Information

Single Mode Two Window Couplers Wide Band 1x2 2x2, Bandwidth ¡Ó 40nm
3A reserves the right to modify products and specifications without prior notice.