The Advantest Q7761 Optical Network Analyzer is a further enhanced ONA model with expanded measurement capability, improved stability, and additional features for advanced optical network testing. It is optimized for high-precision amplitude/phase characterization across broad spectral ranges.
Key Features & Highlights
Broad wavelength coverage across C + L bands
Very low insertion loss and high dynamic range
High phase and group delay accuracy
Enhanced polarization control and mitigation
Automated calibration and reference management
Scripting, remote control, and integration support
Technical Specifications (indicative)
| Parameter | Specification | Notes |
|---|---|---|
| Wavelength range | full C + L band (e.g. ~1525–1635 nm or more) | supports wideband optical designs |
| Spectral resolution | ~0.005 – 0.01 nm | for tight selectivity |
| Dynamic range | > 60 dB | to detect weak spectral features |
| Phase error | minimal, high linearity | suitable for dispersion and delay measurement |
| Polarization handling | scrambler / controller | reduce PDL / polarization artifacts |
| Connector / fiber type | FC/APC | or user specified |
| Sweep performance | fast sweeps over wide span | balancing speed vs resolution |
| Control / interface | LAN, GPIB, SCPI | for automation |
| Operating temperature | ~10–35 °C | for stable lab usage |
| Power input | 100–240 VAC | universal supply |
Applications
Precise measurement of group delay, chromatic dispersion
Complex filter / multiport device characterization
Broad-band optical component testing
Advanced subsystem and network verification
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