Keysight 81640A Tunable Laser Module
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Keysight 81640A is a tunable laser source covering C- and L-Band (1510–1640nm) for DWDM component testing, with 4dBm output and ±0.015nm wavelength accuracy.
Product details
| Model | 81640A |
| Manufacturer | Keysight |
| Category | Test Accessories & Cables |
| Availability | Made to order |
Description
Overview
The Keysight 81640A is a tunable laser source module covering both C- and L-Band wavelengths for DWDM testing applications. It provides continuous wavelength tuning from 1510nm to 1640nm with high spectral purity and stable output power, making it suitable for passive component testing and optical system characterization. Though superseded by the 81640B, the 81640A can be upgraded.
Key Features
- Wavelength Range: 1510nm to 1640nm (C- and L-Band)
- Maximum Output Power: 4dBm
- Wavelength Accuracy (absolute): ±0.015nm
- Wavelength Repeatability: ±0.5pm typical
- Continuous sweep capability with mode-hop free tuning
- Built-in real-time wavelength meter
- Low source spontaneous emission for high dynamic range
Applications
- DWDM passive component testing
- Optical amplifier testing
- Fiber optic system characterization
Specifications
| Wavelength Range | 1510nm to 1640nm |
| Output Power | 4dBm (maximum) |
| Wavelength Accuracy | ±0.015nm |
| Wavelength Repeatability | ±0.5pm |
| Bands Supported | C-Band and L-Band |
| Tuning | Mode-hop free, continuous |
| Built-in Wavelength Meter | Real-time |
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Keysight 81640A Tunable Laser Module
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