Fig. 1 | Nature Communications

Fig. 1

From: Atomic dispensers for thermoplasmonic control of alkali vapor pressure in quantum optical applications

Fig. 1

A coating for atomic vapour cells, based on plasmonic nanoparticles. a Schematic diagram of our experiment. b A photograph of the fabricated coated and reference cells. c Line profile of the atomic force microscopy (AFM) image (in inset) of a 5 nm Au nanoparticle (NP) deposited on a glass substrate. d Extinction spectrum of the Au NPs in hexane solution. The inset shows transmission electron microscopy (TEM) image of the Au NPs deposited on a grid. e and f Dark field optical microscopy images of the interior wall of the reference and Au-coated cells, respectively. Images were acquired through a flat cell window as illustrated in the inset, with a x5 objective

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