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arXiv · 2006.11080

Bragg diffraction of large organic molecules

Christian Brand·Filip Kiałka·Stephan Troyer·Christian Knobloch·Ksenija Simonović·Benjamin A. Stickler·Klaus Hornberger·Markus Arndt
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Abstract

We demonstrate Bragg diffraction of the antibiotic ciprofloxacin and the dye molecule phthalocyanine at a thick optical grating. The observed patterns show a single dominant diffraction order with the expected dependence on the incidence angle as well as oscillating population transfer between the undiffracted and diffracted beams. We achieve an equal-amplitude splitting of $14 \hbar k$ (photon momenta) and maximum momentum transfer of $18 \hbar k$. This paves the way for efficient, large-momentum beam splitters and mirrors for hot and complex molecules.

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Christian Brand, Filip Kiałka, Stephan Troyer, Christian Knobloch, Ksenija Simonović, Benjamin A. Stickler, Klaus Hornberger, Markus Arndt. 2020-06-19. Bragg diffraction of large organic molecules. https://doi.org/10.1103/physrevlett.125.033604

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