- “Zero Dead Zone” reflectometer
- Measure 30 m with 10 μm sampling resolution
- 80 dB dynamic range
- Backscatter-level sensitivity (-130 dB)
- Extended range provides 2 km range with no dead zone
- High-speed scanning (1 m segments at up to 3 Hz)
- Measure IL, RL, distributed loss, distance, polarization states, phase derivative and
group delay - High resolution C and L band (OBR 4600) or O band (OBR 4613) capability
OBR 4600

Quick Overview
OBR 4600 mainframe for C and L band and standard length mode (30 m and 70 m), instrument controller (workstation-class laptop) and accessory kit.
| Name | OBR 4600 |
|---|---|
| Description | OBR 4600 mainframe for C and L band and standard length mode (30 m and 70 m), instrument controller (workstation-class laptop) and accessory kit. |
| Wavelength(nm) | 1525 -1610nm |
| Size | 14.4 x 13.6 x 6.5 (366 x 345 x 165) in (mm) |
| Spatial Resolution | ±1.0cm |
| Wavelength Resolution | (max) 0.02 pm |
| Group Delay Accuracy | 1.0ps |
| Operating Power | 100W |
| Dead Zone | No dead-zone |
| Range | 0 to -125 dB |
| RL Dynamic Range | 30 and 70 m Modes: 80 dB, Extended Range Mode: 60 dB |
| Laser Class | <10mW |
| Sampling Resolution | 30 m mode: 10 μm, 70 m mode: 20 μm, Extended Range Mode (2000m): 1 mm |
| Resolution | ±0.05 dB |
| Accuracy | ±0.10 dB |
| Wavelength Accuracy | ±1.5 pm |
| Temperature Resolution | ±0.1C |
| Strain Resolution | ±1.0 μϵ |
| # of Ports | 1 |
| Dynamic Range (Integrated Insertion Loss) | 18dB |
| RL Sensitivity | -130 dB |
| Device Length | Standard Mode: 30 or 70 m, Extended Range Mode: 2000 m |


