Single-mode fiber coupler
Features
Low Excess Loss
Various Coupling Ratio
Compact Size
Applications
Long-haul Telecommunications
CATV Systems & Fiber Optic Sensors
Local Area Netwo
Optical Specification
| Configuration | Unit | 1×2/2×2 | |||||
| Type | Single Mode Standard Coupler |
Single Mode Wide Band Single Window Couple |
All Band Coupler | Single Mode Dual Window Coupler |
Single Mode Three Window Coupler |
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| Operating Wavelength |
nm |
980 or 1310 or 1550 | 980 or 1310 or 1550 | 1260-1620 | 1310/1550 | 1310/1490/1550 | |
| Operating Bandwidth | ±20 | ±40 | – | ±40 | ±40 | ||
| Max Insertion Loss |
50/50 | % | 3.35/3.35 | 3.40/3.40 | 3.80/3.80 | 3.60/3.60 | 3.60/3.60 |
| 45/55 | % | 3.85/2.95 | 3.85/3.00 | 4.45/3.45 | 4.20/3.20 | 4.20/3.20 | |
| 40/60 | % | 4.40/2.55 | 4.40/2.60 | 5.10/3.10 | 4.70/2.70 | 4.70/2.70 | |
| 33/67 | % | 5.00/2.20 | 5.00/2.25 | 6.00/2.55 | 5.70/2.20 | 5.70/2.20 | |
| 30/70 | % | 5.70/1.85 | 5.70/1.90 | 6.40/2.30 | 6.00/1.90 | 6.00/1.90 | |
| 25/75 | % | 6.55/1.55 | 6.65/1.55 | 7.25/1.95 | 7.00/1.70 | 7.00/1.70 | |
| 20/80 | % | 7.55/1.25 | 7.60/1.25 | 8.30/1.60 | 7.90/1.30 | 7.90/1.30 | |
| 15/85 | % | 8.55/0.95 | 9.05/0.95 | 9.65/1.35 | 9.50/1.00 | 9.50/1.00 | |
| 10/90 | % | 10.80/0.65 | 11.00/0.65 | 11.50/1.05 | 9.20-11.00/0.75 | 9.20-11.00/0.75 | |
| 5/95 | % | 14.00/0.40 | 14.20/0.40 | 14.60/0.80 | 12.05-14.15/0.40 | 12.05-14.15/0.40 | |
| 3/97 | % | 16.30/0.30 | 16.70/0.30 | 17.00/0.75 | 14.10-16.50/0.35 | 14.10-16.50/0.35 | |
| 2/98 | % | 18.00/0.25 | 18.50/0.25 | 18.80/0.70 | 15.75-18.45/0.30 | 15.75-18.45/0.30 | |
| 1/99 | % | 21.50/0.20 | 21.50/0.20 | 22.50/0.65 | 18.60-21.60/0.25 | 18.60-21.60/0.25 | |
| PDL | dB | ≤0.10 | ≤0.15 | ||||
| Return Loss | dB | ≥50.00 | |||||
| Directivity | dB | ≥55.00 | |||||
| Operating Temperature | Deg. | -5-75 | |||||
| Storage Temperature | Deg. | -40-85 | |||||
| Fiber Length | m | 1.00±0.10 | |||||
| Fiber Diameter | um | 250 | 900 | 900/2000/3000 | |||
| Package | mm | 3×45 | 3×54 | 90×16×10 | |||
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