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Ultrahigh-speed nanometer-scale microscopy

Project description

Like magic, a 'movie' from a single snapshot brings precision down to the nanoscale

Getting a better handle on phenomena ranging from biological interactions to the behaviours of materials in the quantum regime relies on extremely high precision measurements in both time and space. This is even more true with non-repetitive events, for which capturing multiple frames and averaging is not possible. The EU-funded TIMP project is developing advanced microscopy to bring nanometre resolution to ultrafast, non-repetitive and transient phenomena. The technology harnesses an innovative time-resolved imaging technique enabling the algorithmic recovery of multiple frames from a single camera snapshot, producing "movies" of the imaged object with nanoscale precision.

Objective

Ultrahigh-speed microscopy at Tera-scale frames per second frame-rate is essential for various applications in science and technology. In particular, it is critical for observing ultrafast non-repetitive events, for which the pump-probe technique is inapplicable. The spatial resolutions of such microscopes is to date limited to the micrometer scale.

I propose to develop such microscopes with nanometric resolution.
The Tera-scale frames per second frame rate microscopes with nanometric resolution will be based on a new approach for ultrahigh-speed imaging that we recently proposed: time-resolved imaging by multiplexed ptychography (TIMP). In TIMP, multiple frames of the object are recovered algorithmically from data measured in a single CCD exposure of a single-shot ptychographic microscope. The frame rate is determined by the light source (burst of pulses) and it is largely uncoupled from the microscope spatial resolution, which can be sub-wavelength. Also important, TIMP yields movies of both the amplitude and phase dynamics of the imaged object. It is simple and versatile, thus it can be implemented across the electromagnetic spectrum, as well as with other waves.

I aim to develop TIMP-based microscopes, in the visible, extreme UV and x-ray spectral regions with Tera-scale frames per second frame rate and nanometric resolution. We will utilize the unprecedented imaging capabilities in applications, including exploring ultrafast phase transitions, ultrafast dynamics in nanostructures, and tracking the spatiotemporal dynamics during passive mode-locking build-up in lasers and Kerr micro-resonators.

This program, if successful, will bring the field of imaging into a new era, where ultrafast dynamics of non-repetitive transient complex-valued objects can be viewed at nanometric resolution.

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Coordinator

TECHNION - ISRAEL INSTITUTE OF TECHNOLOGY
Net EU contribution
€ 2 381 700,00
Address
Senate building technion city
32000 Haifa
Israel

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Activity type
Higher or Secondary Education Establishments
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Other funding
€ 0,00

Beneficiaries (1)