A new paradigm to drive NC-AFM towards fast imaging
Non-contact atomic force microscopy (NC-AFM) is the highest-resolution imaging technique that exists today. Like every imaging approach, it is bound by a speed-spatial resolution trade off: in general, a precise detection takes time, and a fast detection is noisy. In particular, the force detection (implicitly in Hz) is done by a probe driven at resonance, which must oscillate "cleanly" (ie. have a high quality factor) to have a high spectral, and hence spatial resolution. This implies that the probe takes a long time to reach equilibrium, when passing from one pixel to the next. Let ? be of the time to detect a pixel (ms), and ?F be the implicit force error (Hz), then a figure of merit of the detection is 1/(??F). It is a hard upper boundary on the types of experiments possible, and a hard lower boundary on their cost.
With current instruments based on PLL, this figure is approximately 1/(??F) = 0.3. Our novel paradigm, with a very different approach to stimulus and detection, is based on the ESE protocol, achieving super-fast equilibration. We radically improve the possibilities of NC-AFM, achieving a figure of at least 1/(??F) = 1.9. In other words, we offer a six-fold improvement to the state of the art.
PULSALYS IS SEARCHING FOR
PULSALYS is looking for industrial partners for the commercialization of the technology.
Reference: FAST-AFM [D01794]
Key words: Engineered excitation, super-fast scanning
ZOOM ON TECHNOLOGY OFFER
Target Markets :
|Competitive Advantages :||
Intellectual Property :
Chargée de développement
Pôle Développement Economique
Tél. : +33 (0) 4 26 23 56 93
Nos offres d'emploi
Chargé.e de développement rh f/h
CDI - 31 mai 2023 - Notre offre PULSALYS
Contrôleur.se de gestion f/h
CDD - 30 mai 2023 - Notre offre PULSALYS
Post-doctorant / ingénieur en traitement statistique du signal et de l’image f/h
CDD - 23 mai 2023 - Notre offre PULSALYS
Ingénieur.e en développement logiciel c++ f/h
CDD - 15 mai 2023 - Notre offre PULSALYS