Keysight 81610A Return Loss Module
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Keysight 81610A measures return loss with > 70 dB dynamic range and ±0.25 dB uncertainty, enabling accurate reflection characterization of fiber components.
Product details
| Model | 81610A |
| Manufacturer | Keysight |
| Category | Fiber Optic Test |
| Availability | Made to order |
Description
Overview
The Keysight 81610A is a return loss measurement module for the 816x Lightwave mainframe family. It measures optical power reflection from single-mode fiber components with exceptional dynamic range and accuracy, automatically compensating for dark current and backscatter to deliver reliable return loss calculations across wide measurement spans.
Key Features
- Return loss dynamic range > 70 dB with uncertainty down to ±0.25 dB (broadband source)
- Wide operating wavelength range: 1250–1640 nm
- Built-in power monitor for simultaneous return loss and insertion loss measurements
- Step-by-step guided measurement wizard integration with 8163B mainframe
- Factory-calibrated parameters for immediate operation
- Automated control via 816x Plug & Play Driver for swept-wavelength measurements
Applications
- Optical connector and splice return loss characterization
- Fiber optic component reflection measurement and quality verification
- System return loss budget validation and troubleshooting
- Automated return loss testing in production environments
Specifications
| Return Loss Dynamic Range | > 70 dB |
| Return Loss Uncertainty | ±0.25 dB (with broadband source) |
| Operating Wavelength Range | 1250–1640 nm |
| Built-in Features | Power monitor, measurement wizard (with 8163B) |
| Fiber Type | Single-mode |
| Control Interface | 816x Plug & Play Driver |
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Keysight 81610A Return Loss Module
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