Super Mini Polarization-Maintaining Optical Isolator
This Super mini polarization-maintaining optical isolator uses an external magnetic ring. Compared with conventional Mini PM isolators using magnetic Faraday rotators (Latching garnet), it 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. Type A operates on both axes; Type B blocks the fast axis. 2. PM pigtails are aligned with the slow axis. 3. 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 | 1310，1550 |
| Bandwidth | ±15 nm |
| Isolation [Single Stage; λc at 25°C] | min:30 dB |
| Isolation [Dual-Stage; λc at 25°C] | min:50 dB |
| Insertion Loss [Single Stage; λc at 25°C] | typical:0.4 dB; max:0.6 dB |
| Insertion Loss [Dual-Stage; λc at 25°C] | typical:0.5 dB; max:0.8 dB |
| Insertion Loss [Single Stage; λc+/-15nm at -5~75°C, all SOP] | max:0.8 dB |
| Insertion Loss [Bipolar; λc+/-15nm at -5~75°C, all SOP] | max:0.9 dB |
| Extinction Ratio ER [Type A=Both Axes Operating; Type B=Fast Axis Blocked] | min:22 (Type A) / 25 (Type B) |
| Temperature-Dependent Loss TDL | typical:<0.1 dB |
| Return Loss RL | min:55 dB |
| Power handling | max:500 mW |
| Fiber Type | PM Fiber |
| Operating Temperature | -5 to +75 ℃ |
| Storage Temperature | -40 to +85 ℃ |
| Package Dimensions | Φ2.5 mm × 15 mm |
Applications
Key Features
Datasheet
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Supplier Information
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