X-ray phase contrast imaging of biological samples using a betatron X-ray source generated in a laser wakefield accelerator

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F17%3A00320371" target="_blank" >RIV/68407700:21340/17:00320371 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378271:_____/17:00483871 RIV/61389021:_____/17:00483871

Výsledek na webu

<a href="http://dx.doi.org/10.1117/12.2265043" target="_blank" >http://dx.doi.org/10.1117/12.2265043</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1117/12.2265043" target="_blank" >10.1117/12.2265043</a>

Jazyk výsledku

angličtina

Název v původním jazyce

X-ray phase contrast imaging of biological samples using a betatron X-ray source generated in a laser wakefield accelerator

Popis výsledku v původním jazyce

In a plasma wakefield accelerator, an intense laser pulse propagates in an under-dense plasma that drives a relativistic plasma wave in which electrons can be injected and accelerated to relativistic energies within a short distance. These accelerated electrons undergo betatron oscillation and emit a collimated X-ray beam along the direction of electron velocity. This X-ray source is characterised with a source size of the order of a micrometer, a pulse duration of the order of femtosecond, and with a high spectral brightness. This novel X-ray source provides an excellent imaging tool to achieve unprecedented high-resolution image through phase contrast imaging. The phase contrast technique has the potential to reveal structures which are invisible with the conventional absorption imaging. In the X-ray phase contrast imaging, the image contrast is obtained thanks to phase shifts induced on the X-rays passing through the sample. It involves the real part of refractive index of the object. Here we present high-resolution phase contrast X-ray images of two biological samples using laser-driven Betatron X-ray source.

Název v anglickém jazyce

X-ray phase contrast imaging of biological samples using a betatron X-ray source generated in a laser wakefield accelerator

Popis výsledku anglicky

In a plasma wakefield accelerator, an intense laser pulse propagates in an under-dense plasma that drives a relativistic plasma wave in which electrons can be injected and accelerated to relativistic energies within a short distance. These accelerated electrons undergo betatron oscillation and emit a collimated X-ray beam along the direction of electron velocity. This X-ray source is characterised with a source size of the order of a micrometer, a pulse duration of the order of femtosecond, and with a high spectral brightness. This novel X-ray source provides an excellent imaging tool to achieve unprecedented high-resolution image through phase contrast imaging. The phase contrast technique has the potential to reveal structures which are invisible with the conventional absorption imaging. In the X-ray phase contrast imaging, the image contrast is obtained thanks to phase shifts induced on the X-rays passing through the sample. It involves the real part of refractive index of the object. Here we present high-resolution phase contrast X-ray images of two biological samples using laser-driven Betatron X-ray source.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

10305 - Fluids and plasma physics (including surface physics)

Projekt

<a href="/cs/project/EF15_008%2F0000162" target="_blank" >EF15_008/0000162: ELI - EXTREME LIGHT INFRASTRUCTURE - fáze 2</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2017

Kód důvěrnosti údajů

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

Název statě ve sborníku

Proceedings of SPIE, Vol. 10240: Laser Acceleration of Electrons, Protons, and Ions IV.

ISBN

978-1-5106-0981-5

ISSN

0277-786X

e-ISSN

—

Počet stran výsledku

5

Strana od-do

—

Název nakladatele

SPIE

Místo vydání

Baltimore

Místo konání akce

Praha

Datum konání akce

24. 4. 2017

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000407116900022