Ultrafast 4D Scanning Transmission Electron Microscopy for Imaging of Localized Optical Fields

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081731%3A_____%2F25%3A00638399" target="_blank" >RIV/68081731:_____/25:00638399 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216208:11320/25:10501143

Výsledek na webu

<a href="https://pubs.acs.org/doi/10.1021/acsphotonics.5c00864" target="_blank" >https://pubs.acs.org/doi/10.1021/acsphotonics.5c00864</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1021/acsphotonics.5c00864" target="_blank" >10.1021/acsphotonics.5c00864</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Ultrafast 4D Scanning Transmission Electron Microscopy for Imaging of Localized Optical Fields

Popis výsledku v původním jazyce

Ultrafast electron microscopy aims for imaging transient phenomena occurring on nanoscale. One of its goals is to visualize localized optical and plasmonic modes generated by coherent excitation in the vicinity of various types of nanostructures. Such imaging capability was enabled by photon-induced near-field optical microscopy, which is based on spectral filtering of electrons inelastically scattered due to the stimulated interaction with the near-field. Here, we report on the development of ultrafast four-dimensional (4D) scanning transmission electron microscopy, which allows us to image the transverse components of the optical near-field while avoiding the need of electron spectral filtering. We demonstrate that this method is capable of imaging the integrated Lorentz force generated by optical near-fields of a tungsten nanotip and the ponderomotive potential of an optical standing wave with a spatial resolution of 21 nm.

Název v anglickém jazyce

Ultrafast 4D Scanning Transmission Electron Microscopy for Imaging of Localized Optical Fields

Popis výsledku anglicky

Ultrafast electron microscopy aims for imaging transient phenomena occurring on nanoscale. One of its goals is to visualize localized optical and plasmonic modes generated by coherent excitation in the vicinity of various types of nanostructures. Such imaging capability was enabled by photon-induced near-field optical microscopy, which is based on spectral filtering of electrons inelastically scattered due to the stimulated interaction with the near-field. Here, we report on the development of ultrafast four-dimensional (4D) scanning transmission electron microscopy, which allows us to image the transverse components of the optical near-field while avoiding the need of electron spectral filtering. We demonstrate that this method is capable of imaging the integrated Lorentz force generated by optical near-fields of a tungsten nanotip and the ponderomotive potential of an optical standing wave with a spatial resolution of 21 nm.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

ACS Photonics

ISSN

2330-4022

e-ISSN

—

Svazek periodika

12

Číslo periodika v rámci svazku

8

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

8

Strana od-do

4452-4459

Kód UT WoS článku

001532257400001

EID výsledku v databázi Scopus

2-s2.0-105013863069