Ultracompact (Super Mini) Polarization Beam Splitter/Combiner+Isolator
This Super mini polarization beamsplitter/combiner and isolator hybrid uses an external magnetic ring. Compared with conventional Mini hybrids using magnetic Faraday rotators (Latching garnet), this design avoids reliability problems caused by demagnetization and is only 15 mm long. The package platform meets automotive reliability standards, successfully passing 2000 hours at 85℃/85% RH, 1000 thermal cycles (TC) from -40 to 85℃, and 2000 hours of dry heat at 105℃. Specification notes: 1. PM pigtails are aligned with the slow axis. 2. Specifications apply to unpigtailed products. Adding pigtails increases IL by 0.3 dB, decreases RL by 5 dB, and decreases ER by 2 dB.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Center Wavelength λc | 1310，1480，1550 |
| Bandwidth | ±20 nm |
| Isolation [λc at 25°C] | min:20 dB |
| Insertion Loss [λc at 25°C] | typical:0.5 dB; max:0.7 dB |
| Extinction Ratio ER | min:20 dB |
| Temperature-Dependent Loss TDL | typical:<0.1 dB |
| Return Loss RL | min:55 dB |
| Directivity | min:50 dB |
| Power handling | max:500 mW |
| Fiber Type [Port#1 & Port#2] | PM Fiber (Slow Axis Aligned) |
| Fiber Type [Port#3] | SM or PM Fiber |
| Operating Temperature | -5to +75 ℃ |
| Storage Temperature | -40 to +85 ℃ |
| Package Dimensions | Φ2.5 mm × 15 mm |
Applications
Key Features
Datasheet
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