Manual Variable Optical Attenuator
Features
- Ultra Small Size, Compact Package
- Wide Wavelength Range, Low IL, Low PDL, Low WDL
- Singlemode, PM and Multimode Fiber Versions
- High Attenuation Range
- High Resolution
- Designed to meet Telcordia Standard
Applications
- Power Equalization and Control In Multi-Channel Optical Amplified networks
- Gain Tilt Control in EDFA
- Channel ON/OFF Switch
- CATV Systems
- LAN
- Receiver Protection
- Optical Sensors
Specifications
| Parameter | Unit | Specifications | |
|---|---|---|---|
| Fiber Orientation | One side | Two sides | |
| Operating Wavelength | nm | Optimized at 633±10, 780±30, 830±30, 1310±50, 1550±50 or 1625±50 or Custom | |
| Insertion Loss | dB | ≤ 1.0 1) | |
| Polarization Dependent Loss | dB | ≤ 0.10 | |
| Temperature Dependent Loss | dB | 0.30 | |
| Return Loss | dB |
≥ 50 for SM & PM fiber ≥ 30 for MM fiber |
|
| Attenuation Range | dB | ≥ 60 2) | |
| Attenuation Resolution (Typ.) | dB | 0.10 | |
| Extinction Ratio (PM only) | dB | ≥ 20 | |
| Optical Power | W | ≤ 1.0 | |
| Fiber Type | ms | Single mode, PM or 50/62.5um Multimode | |
| Operating Temperature | °C | - 20 to +75 | |
| Storage Temperature | °C | - 40 to +85 | |
| Package Type | A | B | |
| Package Dimensions | mm | See “MECHANICAL DIMENSIONS” | |
Note:
1) 1.0dB maximum applies to 1310 and 1550nm only. Higher insertion loss up to 1.5dB applies 400~1200nm.
2) 80dB possible by special design.
All values referenced are without connector.