Specs at a glance for the 86140A 
- Wavelength Range: 600nm to 1700nm 
- Dynamic Range: -70dB (1250 to 1610nm) 
- Wavelength Accuracy: +/- 0.5nm 
- Wavelength Linearity: +/- 0.05nm, for spans <40nm 
- Wavelength Repeatability: +/- 0.003nm 
- Polarization Dependency: +/- 0.25dB (1310nm)
Additional Information 
- Resolution Accuracy: +/- 4% (>0.5nm, 1525 to 1610nm)
- Sweep Time: <180ms (50nm span, auto zero off)
The OSA family of benchtops provides fast, accurate, and comprehensive measurement capabilities for spectral analysis.