FBT Singlemode Dual Window Fiber Optical Coupler 1x2(2x2) High Stability
Fiber Optical Coupler 1x2(2x2) Singlemode Dual Window FBT Coupler
Singlemode Dual Window Coupler 1x2, 2x2 offer very low insertion loss, low polarization dependence and excellent environmental stability. Accurate coupling ratio from 50/50 to 1/99, fiber type 250um bare fiber, 3mm and 900um loose tube fiber are available with very tight uniformity in a wide wavelength range of both 1310 nm and 1550 nm windows. Singlemode dual window coupler find extensive application to perform power splitting and monitoring functions in all kinds of optical communication systems.
◇Features:
Low Insertion Loss
Various Coupling Ratio
High Stability, High Reliability
Compact Size
◇ Application:
Long-haul Telecommunications
CATV Systems & Fiberoptic Sensors
Local Area Network
FTTH & LAN
| Singlemode Dual Window Wideband Couplers | ||
| Grade | P | A |
| Coupling Ratio(%) | 50/50 | 50/50 |
| Excess Loss (Typical)(dB) | 0.1 | 0.15 |
| Maximum lnsertion loss(dB) | 3.6 | 3.8 |
| Uniformity (Max.)(dB) | 0.7 | 1 |
| Polarization Sensitivity (dB) | 0.15 | 0.2 |
| Operating Wavelength(nm) | 1310/1550±40 or custom wavelength | |
| Coupling Ratio | lnsertion Loss(dB) | |
| P Grade | A Grade | |
| 40/60 | 4.7/2.7 | 5.0/2.9 |
| 30/70 | 6.0/2.0 | 6.4/2.2 |
| 20/80 | 7.9/1.5 | 8.5/1.7 |
| 10/90 | 11.3/0.65 | 12.0/0.8 |
| 10/90 | 14.8/0.4 | 15.3/0.55 |
| 1/99 | 22.5/0.3 | 23.0/0.35 |
| Coupling Ratio(%) | 1~50 | |
| Directivity (dB) | ＞55 | |
| Operating Temperature(℃) | -20~+80 | |
| Storage Temperature(℃) | -40~+85 | |
| Fiber Type | Corning singlemode SMF-28 | |
| Fiber Pigtail Length(m) | 1 | |
| Port Configuration | 1×2 or 2×2 | |
| Dimensions (mm) | Package A,B,C | |
| Channel | Connector | Wavelength | Grade | Fiber type | Coupling ratio | Pigtail length | Package |
| 12- 1 x 2 22- 2 x 2 |
11-ST 21-FC/PC 31-SC/PC 41-LC/PC 51-MU/PO 00-None XX-Others |
31-1310 nm 30-1300 nm 85-850 nm |
P-P Grade A-A Grade |
2-50/125um 3-62.5/125um X-Others |
01:01/99 02:02/98 03: 30/70 05:05/97 ….. 50:50/50 |
050-50cm 100- 100cm 150-150cm 200-200cm 000- Modulized XXX-Others |
A B C |
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