Figure 1 | Scientific Reports

Figure 1

From: A nitrogen-vacancy spin based molecular structure microscope using multiplexed projection reconstruction

Figure 1

Schematics of the molecular scale spatial encoding using magnetic field gradients.

(a) Schematic representation of a biomolecule in the vicinity of an NV-center; ωL in the inset signifies the Larmor peak position in the spectrum. (b) Gradient encoding of the molecule’s proton density; a spectrum is presented in direction of the gradient vector. (c,d) Schematic representation of different magnetic field gradients induced by an approached magnetic tip; insets: their influence on the spectrum.

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