Standard Polarization-Maintaining Optical Isolator
This polarization-maintaining (PM) optical isolator offers high extinction ratio (ER) and excellent high- and low-temperature performance with low TDL. It 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 [λc at 25°C] | min:30 dB |
| Insertion Loss [λc at 25°C] | typical:0.4 dB; max:0.6 dB |
| Insertion Loss [λc+/-15nmat -5~75°C, all SOP] | max:0.8 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:300 mW |
| Fiber Type | PM Fiber |
| Operating Temperature | -5to +75 ℃ |
| Storage Temperature | -40 to +85 ℃ |
| Package Dimensions | Φ5.5 mm × 35 mm |
Applications
Key Features
Datasheet
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Supplier Information
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