1x2 PM Fiber Coupler Polarization Maintaining Fiber Coupler For 2000nm
Product Summary
Maintaining Polarization 1x2 PM Fused Coupler for 2000nm Takfly proven fused biconical taper (FBT process), Takfly manufactures high-grade PM couplers that offer high extinction ratio with minimal optical loss, with coupling ratios from 1:99 up to 50:50. All ports consist of polarization-maintaining ...
Product Custom Attributes
1x2 pm fiber coupler
,OEM pm fiber coupler
,2000nm polarization maintaining fiber coupler
Basic Properties
Trading Properties
Product Description
Maintaining Polarization 1x2 PM Fused Coupler for 2000nm
Takfly proven fused biconical taper (FBT process), Takfly manufactures high-grade PM couplers that offer high extinction ratio with minimal optical loss, with coupling ratios from 1:99 up to 50:50.
All ports consist of polarization-maintaining fiber and are launched on the slow axis, with fast axis versions available upon request.
Features:
- Low Insertion Los
- High Return Loss
- High Extinction Ratio
- High Reliability & Stability
Applications:
- EDFA & Raman Amplifier
- Power Monitoring System
- Fiber Sensor
- Fiber Optical Instrument
Specification
| Paramater | Unit | Value | ||
| Type | - | 1x2 | 2x2 | |
| Center Wavelength | nm | 2000 | ||
| Operating Wavelength Range | nm | ±40 | ||
| Max. Excess Loss | dB | 1.2 | 1.5 | |
| Uniformity (only for 50/50) | dB | 0.6 | 0.8 | |
| Coupling Ratio | % | 01/99~50/50 | ||
| Min. Extinction Ratio at 23℃ | dB | 18 | ||
| Min. Return Loss | dB | 50 | ||
| Max. Optical Power(CW) | mW | 300 | ||
| Max. Tensile Load | N | 5 | ||
| Fiber Type | Tap Port | - | SMF-28E, PM Panda fiber | |
| Port 1 & 3 | - | PM Panda fiber | ||
| Operating Temperature | ℃ | -5~+70 | ||
| Storage Temperature | ℃ | -40~+85 | ||
For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower.
The default connector key is aligned to slow axis.
For Type 1x2, routing path is 3 to 1,2(tap). For Type 2x2, routing path is 1 to 3, 4(tap) & 3 to 1, 2(tap)
Ordering Information
PMFC-1111-2334-555-666-789-AAAA
| 1111 | Center Wavelength: | 1950=1950nm, 2000=2000nm, 2050=2050nm...... |
| 2 | Port number: | 3=1x2, 4=2x2 |
| 33 | Tap ratio: | 01=1%,02=2%,......,05=5%,......, 50=50% |
| 4 | Axis Alignment: | F=Slow axis working, Fast axis blocked, B=Both axis working |
| 555 | Fiber type for Port 1, 3: | 001=PM1550, 008=SMF-28E, 045=Nufern PM1950, 046=Nufern SM1950 |
| 666 | Fiber type for Tap: | 001=PM1550, 008=SMF-28E, 045=Nufern PM1950, 046=Nufern SM1950 |
| 7 | Package Dimension: | 0=φ5.5x35mm, S=Specified |
| 8 | Pigtail Type: | 0=250μm bare fiber, 1=900μm loose tube |
| 9 | Fiber Length: | 0=0.8m,1=1m |
| AAAA | Connector for Port 1,2,3,4: | 0=FC/UPC,1=FC/APC,2=SC/UPC,3=SC/APC,4=LC/UPC,5=LC/APC, N=None |
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