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Title: Single-shot large field of view Fourier transform holography with a picosecond plasma-based soft X-ray laser

Journal Article · · Optics Express
DOI:https://doi.org/10.1364/OE.409815· OSTI ID:1712512

It is challenging to obtain nanoscale resolution images in a single ultrafast shot because a large number of photons, greater than 1011, are required in a single pulse of the illuminating source. We demonstrate single-shot high resolution Fourier transform holography over a broad 7 µm diameter field of view with ~ 5 ps temporal resolution. The experiment used a plasma-based soft X-ray laser operating at 18.9 nm wavelength with nearly full spatial coherence and close to diffraction-limited divergence implemented utilizing a dual-plasma amplifier scheme. A Fresnel zone plate with a central aperture is used to efficiently generate the object and reference beams. Rapid numerical reconstruction by a 2D Fourier transform allows for real-time imaging. A half-pitch spatial resolution of 62 nm was obtained. This single-shot nanoscale-resolution imaging technique will allow for real-time ultrafast imaging of dynamic phenomena in compact setups.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division; Defense Advanced Research Projects Agency (DARPA)
Grant/Contract Number:
FG02-04ER15592; AC02-05CH11231; SC0019076; D16PC00087
OSTI ID:
1712512
Alternate ID(s):
OSTI ID: 1763666
Journal Information:
Optics Express, Journal Name: Optics Express Vol. 28 Journal Issue: 24; ISSN 1094-4087
Publisher:
Optical Society of America (OSA)Copyright Statement
Country of Publication:
United States
Language:
English

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