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OSA20 - High Performance Optical Spectrum Analyser

OSA20 - High Performance Optical Spectrum Analyser
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Tags: Fibre , Telecom , Component , Test
OSA20 - High Performance Optical Spectrum Analyser
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  • Model: EXFO OSA20

The fastest optical spectrum analyser of its kind   

OSA20 - High Performance Optical Spectrum Analyser   


  • Wavelength range of 1250-1700 nm
  • Wavelength resolution:
    • ±10 pm over 1500-1640 nm
    • ±25 pm over 1250-1700 nm
  • Power level accuracy of ±0.4 dB
  • Built-in calibration source
  • Intuitive user interface with 12" touchscreen
  • 8 application-oriented analysis modes
  • Full suite of analysis tools

EXFO's acquisition of Yenista Optics brought with it the OSA20; the fastest optical spectrum analyser of its kind. With a maximum sweep speed of 2000 nm/s, it uses a fixed monochromator bandwidth of 20 pm and a fixed sampling resolution of 2 pm for all scans delivery every measurement at the highest resolution with the highest accuracy. Sweep speed is determined solely by the choice of the sensitivity level: -55 dBm at 2000 nm/s down to -90 dBm by averaging over 380 scans with HIGH at 0.5 nm/s.

The instrument's monochromator utilises a renowned filter technology with a 20 pm bandwidth, steep edges and low stray light. Power is integrated over 2 pm steps resulting in 225,001 data points for a 450 nm span. This allows for DWDM channel analysis down to 6.25 GHz spacing. The OSA20 has a high wavelength accuracy over the full wavelength range with ± 10 pm specified over 1500-1640 nm.

A large twelve inch capacitive touchscreen with multi-touch gesture control allows very fast navigation, scrolling and zooming in an intuitive manner. Keyboard and mouse control are also available through USB interfaces.

EXFO website

File Name Size Link
EXFO OSA20 Datasheet 1.11MiB Download
Terms and Conditions V6 206.45KiB Download
Why OSA's are better 1.2MiB Download
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