3×3 monolithic couplers have the compact package size, low insertion loss, and high reliability performance. These couplers were designed for optical modules, the fiber sensors and fiber testing instruments.
Features
Mini size
High isolation
Low PDL
Low excess loss
High stability and reliability
Application
FTTH & LAN
WDM systems
CATV Systems & Fiberoptic Sensors
Long-haul Telecommunications
| Single Standard Couplers |
| Grade | P Grade | A Grade |
| Coupling Ratio(%) | 50/50 | 50/50 |
| Excess Loss (Typical)(dB) | 0.07 | 0.1 |
| Maximum lnsertion loss(dB) | 3.4 | 3.5 |
| Polarization Sensitivity (dB) | 0.15 | 0.2 |
| Operating Wavelength(nm) | 1310,1480,1550 or custom wavelength |
| |
| Single Wideband Couplers |
| Grade | P Grade | A Grade |
| Coupling Ratio(%) | 50/50 | 50/50 |
| Excess Loss (Typical)(dB) | 0.07 | 0.1 |
| Maximum lnsertion loss(dB) | 3.4 | 3.6 |
| Polarization Sensitivity (dB) | 0.15 | 0.2 |
| Operating Wavelength(nm) | 1310±40,1550±40,or custom wavelength |
| Coupling Ratio(%) | 1~50 |
| Directivity (dB) | ≥55 |
| Operating Temperature(℃) | -20~+80 |
| Storage Temperature(℃) | -40~+85 |
| Fiber Type | Corning singlemode SMF-28,DS fiber or flexcore |
| Fiber Pigtail Length(m) | 1 |
| Port Configuration | 1×2 or 2×2 |
| Dimensions (mm) | Package D,E,F,G |
| Coupling Ratio | lnsertion Loss |
| | P Grade | A Grade |
| 40/60 | 4.4/2.5 | 4.6/2.8 |
| 30/70 | 5.6/1.8 | 6.0/2.0 |
| 20/80 | 7.4/1.1 | 7.7/1.3 |
| 10/90 | 10.8/0.6 | 11.6/0.8 |
| 5/95 | 14.2/0.4 | 14.6/0.5 |
| 2/98 | 18.5/0.2 | 19.0/0.3 |
| 1/99 | 21.0/0.2 | 21.5/0.3 |
