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Fourier transform holography at the wavelength limit

: Tadesse, G.K.; Eschen, W.; Klas, R.; Hilbert, V.; Schelle, D.; Nathanael, A.; Zilk, M.; Steinert, M.; Schrempel, F.; Pertsch, T.; Tünnermann, A.; Limpert, J.; Rothhardt, J.


Optical Society of America -OSA-, Washington/D.C.:
Digital Holography and Three-Dimensional Imaging : Part of Imaging and Applied Optics Congress; 25-28 June 2018, Orlando, Florida, United States
Washington, DC: OSA, 2018
ISBN: 978-1-943580-44-6
Paper DTh2E.4
Meeting "Digital Holography and Three-Dimensional Imaging" <2018, Orlando/Fla.>
Imaging and Applied Optics Congress <2018, Orlando/Fla.>
Fraunhofer IOF ()

We present a table-top Fourier transform holography experiment that achieved a record-high resolution of 34 nm. By employing phase retrieval techniques, the resolution was improved to 23 nm (<1.3 λ) limited by wave-guiding effects.