Scanning NV Magnetometry

Qnami ProteusQ is a complete quantum microscope system developed on HORIBA AFM technology. It is the first scanning NV (nitrogen-vacancy) microscope for the analysis of magnetic materials at the atomic scale. The Qnami ProteusQ system comes with state-of-the-art electronics, software and AFM optical platform. Its flexible design allows for future adjustments and scaling, expansion and capability upgrades. The proprietary Qnami ProteusQ quantum technology provides high precision images for you to see directly the most subtle properties of your samples and the effect of microscopic changes in your design or fabrication process. The Qnami ProteusQ opens a new window on your research and gives you a new level of control to drive innovation in the design, creation and delivery of smart and energy-efficient electronics.

Segment: Scientific
Produktionsfirma: Qnami
  • Quantum performance New level of mapping a wide range of magnetic signals for materials science and more.
  • Ease of use Automated operations, tip and sample exchange in just a few minutes.
  • Robust and stable Proven SPM platform. Tips with unbeatable lifetime.
  • Atomic precision Sensitivity down to the single atomic layer combined with nanoscale resolution.
  • Intuitive No quantum expertise required.
  • Customizable Synchronize your measurements and run your own protocols using Jupyter Notebook (Python).
  • Unlimited potential Extend to standard SPM modules (AFM, LFM, EFM, MFM, KPFM, PFM, Force curves, etc...) and more quantum imaging modes.
  • Powered by HORIBA, World leader in AFM and optics.


  • 5x5x15 mm³ motorized approach system for XYZ sample positioning with positioning resolution < 1µm
  • 100x100x15 (+/-10%) um³ XYZ piezo closed-loop sample scanner with XY non-linearity of 0.05%, and Z non-linearity of 0.05%
  • Noise level:  0.1nm RMS in XY dimension in 200Hz bandwidth with capacitance sensors 'on'
    0.02nm RMS in XY dimension @ 100Hz bandwidth with capacitance sensors 'off'
    < 0.04nm RMS Z capacitance sensor @ 1000Hz bandwidth
  • Maximum sample size: 40x50mm², 15mm thickness.
  • Quantilever tuning-fork probe holder
  • Integrated miniaturized microwave near-field antenna; 4x4x4 mm³ xyz manual stage for near-field antenna positioning with resolution < 1 µm


  • Confocal optical unit with up-straight photon collection and 50µm multimode fiber output coupler
  • XYZ closed loop piezo objective scanner
  • 100x Plan Apo infinity corrected objective, NA=0.7, working distance: 6mm 30x30x15 μm³
  • Video microscope top channel, including LED illuminator and CMOS camera
  • Optical diode laser (λ = 515±5 nm), tunable output power 0.01 - 20.0 mW at focal point
  • Single photon counting module
  • NV bias magnet mounted on objective (vertical direction: -2.5 to +2.5 mT, manually adjustable)

Microwave generator

  • Operating frequency bandwidth 2.5-3.5 GHz, 10Hz resolution
  • Maximum power > 30dBm, with 0.1dB power resolution
  • Gain compensated for flat power distribution across the whole frequency bandwidth
  • 4 General purpose Input-Output (GPIO) channels with TTL level specification
  • 1Gigabit Ethernet connection port for data transmission


  • Windows software for control of Smartscan SPM modes
  • LabQ software for SNVM (NV fluorescence mode, optically detected magnetic resonance spectroscopy)
  • Fluorescence auto-track routine
  • Measurement scripting abilities via Jupyter Notebook


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