1550nm 1×2 PM Fiber Coupler PM Beam Splitter Slow Axis Alignment K Key
[Features]
Low excess loss
Low insertion loss
High extinction ratio
High stability and reliability
[Application]
Optical amplifier
Power monitoring
Coherent communications
Fiber gyroscope
Fiber sensor
[Specifications]
Product Name: PM coupler
Wavelength: 1550nm
Port Type: 1×2
Attenuation: 3dB
Connector Type: Default FC, can be customized.
Parameters | P Grade | A Grade | P Grade | A Grade | P Grade | A Grade |
Central Wavelength (nm) | 1310, 1550 | 980, 1064 | 780, 850 | |||
Bandwidth(nm) | ±20 | |||||
Typical Excess Loss(dB) | 0.2 | 0.3 | 0.6 | 0.8 | 0.6 | 0.8 |
Max. Excess Loss(dB) | ≤0.4 | ≤0.6 | ≤0.8 | ≤1.0 | ≤0.8 | ≤1.0 |
Extinction Ratio(dB) | ≥20 | ≥17 | ≥18 | ≥16 | ≥18 | ≥16 |
Directivity(dB) | ≥55 | |||||
Operating Temperature(℃) | -40~+85 | |||||
Storage Temperature(℃) | -40~+85 |
For device connector , IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower. The default connector key is aligned to slow axis.
[Package Information]
Configuration | 1×2 | ||
Fiber Length | 0.8m, others on request. | ||
Fiber Type | Panda fiber | ||
Pigtail Type | 250μm bare fiber | 900μm loose fiber | 900μm/2mm/3mm loose tube |
Dimensions(mm) | ψ3.0×54 | ψ3.0×70 | 90x16x9 |
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