1310/1480/1550 nm Polarization Maintaining Filter Tap Isolator
The Polarization Maintaining Tap Isolator combines a tap coupler and polarization sensitive/insensitive isolator into a single compact package. It has high extinction ratio and very low insertion loss. This component is ideal for fiber amplifier and fiber optic systems where signal monitoring is required.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Center Wavelength λc [Single Stage / Dual Stage] | 1310, 1480 or 1550 |
| Operating Wavelength Range [Single Stage / Dual Stage] | λc ± 15 |
| Max. Excess Loss [Single Stage] | 0.8 dB |
| Max. Excess Loss [Dual Stage] | 0.9 dB |
| Tap Ratio [Single Stage / Dual Stage] | 1 ± 0.5, 2 ± 0.4, 5 ± 1.0, 10 ± 2.0 |
| Typ. Peak Isolation [Single Stage] | 40 dB |
| Typ. Peak Isolation [Dual Stage] | 55 dB |
| Min. Isolation [Single Stage；λc±10nm；All Polarization States；23°C] | 30 dB |
| Min. Isolation [Dual Stage；λc±10nm；All Polarization States；23°C] | 45 dB |
| Min. Extinction Ratio [For each connector added: IL is 0.3dB higher, RL is 5dB lower, and ER is 2dB lower.] | 20 dB |
| Min. Return Loss [For each connector added: IL is 0.3dB higher, RL is 5dB lower, and ER is 2dB lower.] | 50 dB |
| Min. Directivity | 50 dB |
| Max. Optical Power [Continuous Wave] | 300 mW |
| Max. Tensile Load | 5 N |
| Operating Temperature | -5 to +70 °C |
| Storage Temperature | -40 to +85 °C |
| Fiber Type [Tap port] | SMF-28 or PM Panda Fiber |
| Fiber Type [Input & output ports] | PM Panda Fiber |
| IL [Increase per connector added；source IL footnote, not reassigned as Excess Loss] | 0.3 dB |
| Connector key alignment | Slow axis |
| Optical path alignment | Slow axis |
Applications
Key Features
Datasheet
Supplier Information
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The optical isolator consists of a polarizing beamsplitter prism and a zero-order 1/4-wave plate, with the waveplate optical axis positioned at 45 degrees. Transmitted P-polarized light becomes circularly polarized after passing through the waveplate. After reflection and a second pass through the waveplate, it becomes S-polarized light and is reflected by the polarizing beamsplitter prism, providing optical isolation.
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Storage Temperature [Environmental Conditions; Original Minimum/Maximum Value Columns]: -40~85 ℃ Storage Relative Humidity [Environmental Conditions; Original Minimum/Maximum Value Columns]: 5~95 %RH Operating Temperature [Environmental Conditions; Original Minimum/Maximum Value Columns]: -5~70 ℃
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Storage Temperature [Environmental Conditions; Original Minimum/Maximum Columns]: -40~85 ℃ Storage Relative Humidity [Environmental Conditions; Original Minimum/Maximum Columns]: 5~95 %RH Operating Temperature [Environmental Conditions; Original Minimum/Maximum Columns]: -5~70 ℃
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