488-2100 nm Polarization Maintaining Fused Coupler
The Polarization Maintaining Fused Coupler is mainly used in Power Monitoring and Coherent Communication, it has the characteristics of high power handling and low excess loss.
Key Features | Applications |
lWavelength 488 - 2100 nm available | lPower Monitoring |
lCoupling ratio from 0.01/99.99 to 50/50 available | lCoherent Communication |
lOperating on both fast and slow axes | lFiber Gyroscope |
lLow Excess Loss | lFiber Laser |
lHigh Power Handling | lFiber Amplifier |
lHigh Stability and Reliability | lTest Equipment |
Specifications
Parameter | Unit | Value | |||||||||
Center Wavelength (λc) | nm | 488/532/635 | 780/850 | 976/1064 | 1310/1480/ 1550 | 1900/2000 | |||||
Operating Wavelength | nm | λc ± 5 | λc ± 10 | λc ± 10 | λc ± 20 | λc ± 20 | |||||
Typ. Excess Loss | dB | 0.8 | 0.5 | 0.4 | 0.2 | 0.5 | |||||
Max. Excess Loss | dB | 1.2 | 0.8 | 0.6 | 0.4 | 0.8 | |||||
Min. Extinction Ratio* | dB | 18 | 18 | 20 | 20 | 20 | |||||
Max. Excess Loss for Each Connector | dB | 1.5 | 0.7 | 0.5 | 0.3 | 0.3 | |||||
Max. Optical Power (Continuous Wave) | W | 2 | |||||||||
Thermal Stability | dB/℃ | ≤ 0.005 | |||||||||
Min. Return Loss* | dB | 50 | |||||||||
Min. Directivity | dB | 50 | |||||||||
Fiber Type | - | PM Fiber | |||||||||
Operating Temperature | ℃ | -5 to +70 | |||||||||
Storage Temperature | ℃ | -40 to +85 | |||||||||
Coupling Ratio & Its Tolerance | |||||||||||
Coupling Ratio | % | 1/99 | 2/98 | 5/95 | 10/90 | 20/80 | 30/70 | 40/60 | 50/50 | ||
Max. Coupling Ratio Tolerance, λc | % | ± 0.3 | ± 0.5 | ± 0.7 | ±1.0 | ± 2.0 | ± 2.0 | ± 2.5 | ± 3.0 | ||
Coupling Ratio | % | 0.1/99.9 | 0.01/99.99 | ||||||||
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