High Power NxM Fiber Optical Coupler

(SM, PM, 1xN, 10W, 20W, 30W)
Features:
  • Low Loss
  • High Reliability

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Photonwares’ fiber couplers are used to split or combine light with minimal optical loss from one to multiple fibers.  These components are manufactured using the fused biconical taper process on fully software controlled automatic fabrication stations. The process consists of placing two or more fibers adjacent to each other, then fusing and stretching them to create a central coupling region. These couplers are packaged in a thermal expansion matching silica substrate, providing exceptional mechanical and environmental stability.

Our high power series of fiber optical couplers are tested over 10W CW.  With additional heat sink packaging, we offer coupler up to 40W CW.  Various configurations of NxM in SM, PM, and MM are available in a  metal box by cascading 2×2.  We further offer beam expanded high power fiber optical connectors.

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SM/PM Coupler Parameter Unit
Wavelength 433,589,633,780,

830,980,1064

1310,1480,1550,1950,

2000,2050,2100

nm
Bandwidth ±15 nm
Excess Loss Grade P Grade A Grade P Grade A  
≤0.8 ≤1.0 ≤0.5 ≤0.6 dB
Split Ratio Tolerance ± 7 ± 8 ± 5 ± 5 %
Polarization E/R ≥17 ≥15 ≥18 ≥16 dB
Splitting Ratio Grade P Grade A  
Throught Coupling Throught Coupling  
5:90:5 ± 2.5 ± 1.5 ± 3.0 ± 1.8 dB
10:80:10 ± 2.8 ± 1.6 ± 3.2 ± 2.0 dB
15:70:15 ± 3.0 ± 1.8 ± 3.5 ± 2.4 dB
20:60:20 ± 3.3 ± 2.0 ± 3.7 ± 2.5 dB
25:50:25 ± 3.5 ± 2.4 ± 4.0 ± 3.0 dB
30:40:30 ± 4.0 ± 3.0 ± 5.0 ± 4.0 dB
33:33:33 ± 6.0 ± 6.0 ± 8.0 ± 8.0  
35:30:35 ± 4.0 ± 5.0 ± 5.0 ± 6.0  
40:20:40 ± 3.0 ± 6.0 ± 6.0 ± 7.0 dB
Optical Power Handling < 3 W
Operating Temperature -40~85 oC
Storage Temperature -40~85 oC
Package Dimension *  250um: (D)3.0x(L)54 mm
 900um: (D)4.0x(L)70
 2/3mm Cable: (L)90x(W)16x(H)9

* Other package options available on request