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Bristol 428B Wavelenght Meter
Bristol Instruments, the leader in optical wavelength measurement instrumentation, offers a family of multi-wavelength meters for WDM test applications. The 428 Series Multi-Wavelength Meter combines proven Michelson interferometerbased technology with fast Fourier transform analysis in order to measure the wavelength, power, and OSNR of as many as 1000 discrete optical signals. With features such as high accuracy, straightforward operation, and rugged design, the model 428 satisfies the needs of both the R&D scientist and the manufacturing engineer.
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428B
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Specifications at a glance:
| Model | 428B |
| Optical Signal | CW and modulated |
| Wavelength Range | 1270-1650nm (182-236THz) |
| Accuracy | ±0.65 parts per million (±1.0 pm at 1550nm) |
| Differential Accuracy | ±0.5 parts per million |
| Repeatability | ±0.03 parts per million (±0.05pm at 1550nm) |
| Display Resolution | 0.0001nm |
| Power Calibration Accuracy | ±0.5dB (±30nm from 1310 and 1550nm) |
| Signal-to-noise ratio | >35dB(100 averages), ≥50 GHz channel spacing |