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Yokogawa AQ6377 1900nm - 5500nm

The AQ6377 is the latest version of our optical spectrum analyzer series, offering extended wavelength coverage into the MWIR region from 1900 - 5500 nm. Its long wavelength range makes the AQ6377 ideal for environmental sensing and medical applications. 

Key features of the AQ6377 include gas purging input ports/output ports, a built-in cut filter for high order diffracted light​​​​​​, and a novel double speed mode which increases the sweep speed up to 2 times compared to the standard sweep mode.


  • Dynamic range: 50 dB 


OSA Dynamic Range input optics


Download: Brochure
Download: User manual



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