With the AP2040B series, Apex Technologies sets a new standard in Optical Spectrum Analysis. Its different approach enables it to measures in far greater detail than ever before.
The AP2040 series is based on an intereferometric principle which is able to achieve a 0.16pm resolution (20MHz), a +/-3pm absolute wavelength accuracy and a close-in dynamic range of 60dB at 10pm.
With a price in the same order as conventional monochromator based OSA's, it makes the AP2040 the first of its kind in the next generation Optical Spectrum Analyzers.

AP2040A Download PDF data sheet

AP2040B Download PDF data shee
AP2040B Options

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Applications :

(C/D)WDM characterization
Modulation analysis

Modulation spectral efficiency
Frequency measurement
Modulation formats comparison

Laser analysis :

Relaxation oscillation measurement
Laser linewidth
Side mode suppression ratio

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While monochromator based Optical Spectrum Analyzers can achieve a maximum resolution of 10pm, the AP2040B series is based on an intereferometric principle which is able to dramatically increase this resolution by a factor 62, achieving a 0.16pm resolution (20MHz). Achieving such a high resolution with a monochromator will require a 3 meters long equipment (with all the drawback of this kind of configuration)!

Thanks to the ultra high resolution of the AP2040B, channel and even modulation types can easily be identified.
In D-WDM systems low channel crosstalk is crucial for optimum system performance and can easily be analyzed due to the AP2040B's 0.16pm wavelength resolution, and adjusting channels in the ITU grid is no longer a challenge thanks to the +/-3pm absolute wavelength accuracy of the AP2040B.

Technical bulletin n°2 : New applications of Ultra High-Resolution (0.16pm) Optical Spectrum Analyzer

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During the recent years there has been fast growing interest in digital optical modulation formatting for optical transmission, where the quality of the optical modulated signal and the data-rates in WDM systems are crucial in its overall system performance.
The AP2040B series provides a highly accurate analysis of the modulated spectrum and provides the necessary details to determine
system qualification.

The AP2040B is the perfect tool for spectrum measurements of active devices. With its 0.16pm resolution, the AP2040B can be use for linewidth measurement, SMSR qualification of tunable laser sources, SBS (Stimulated Brillouin Scattering) suppression frequency measurement, DFB relaxation oscillation measurement, femto and picosecond laser source spectrum measurement, ...

Technical bulletin n°5 : Ultra high resolution OSA for relaxation oscillation measurements

Drag the mouse on the measurement examples below to get some details and click on it to enlarge.