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Title: Ptychographic amplitude and phase reconstruction of bichromatic vortex beams

Journal Article · · Optics Express
DOI:https://doi.org/10.1364/OE.26.034007· OSTI ID:1486899

We experimentally demonstrate that ptychographic coherent diffractive imaging can be used to simultaneously characterize the amplitude and phase of bichromatic orbital angular momenta-shaped vortex beams, which consist of a fundamental field, together with its copropagating second-harmonic field. In contrast to most other orbital angular momentum characterization methods, this approach solves for the complex field of a hyperspectral beam. Lastly, this technique can also be used to characterize other phase-structured illumination beams, and, in the future, will be able to be extended to other complex fields in the extreme ultraviolet or X-ray spectral regions, as well as to matter waves.

Research Organization:
Univ. of Colorado, Boulder, CO (United States). The Regents; Univ. of Colorado, Boulder, CO (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); BBVA Foundation
Grant/Contract Number:
FG02-99ER14982
OSTI ID:
1486899
Alternate ID(s):
OSTI ID: 1487214; OSTI ID: 1907877
Journal Information:
Optics Express, Journal Name: Optics Express Vol. 26 Journal Issue: 26; ISSN 1094-4087
Publisher:
Optical Society of America (OSA)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 20 works
Citation information provided by
Web of Science

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Figures / Tables (5)