Data for: "Real-Time Near-Field Terahertz Imaging with Atomic Optical Fluorescence"

Wade, Christopher G. (Durham University, UK); Weatherill, Kevin J. (Durham University, UK); de Melo, Natalia R. (Durham University, UK); Šibalić, Nikola (Durham University, UK); Adams, Charles S. (Durham University, UK); Kondo, Jorge M. (Durham University, UK)

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Data for: "Real-Time Near-Field Terahertz Imaging with Atomic Optical Fluorescence" Open Access

Terahertz (THz) near-field imaging is a flourishing discipline, with applications from fundamental studies of beam propagation to the characterisation of metameterials and waveguides. Beating the diffraction limit typically involves rastering structures or detectors with length scale shorter than the radiation wavelength; in the THz domain this has been achieved using a number of techniques including scattering tips and apertures. Alternatively, mapping THz fields onto an optical wavelength and imaging the visible light removes the requirement for scanning a local probe, speeding up image collection times. Here we report THz to optical conversion using a gas of highly excited 'Rydberg' atoms. By collecting THz-induced optical fluorescence we demonstrate a real-time image of a THz standing wave and we use well-known atomic properties to calibrate the THz field strength. The mono-atomic gas does not distort the THz field and offers the potential to immerse structures within the THz-to-optical conversion medium.

Descriptions

Resource type: Dataset
Contributors: Creator: Wade, Christopher G. ¹
Contact person: Wade, Christopher G. ¹
Data collector: Wade, Christopher G. ¹
Creator: Šibalić, Nikola ¹
Creator: de Melo, Natalia R. ¹
Creator: Kondo, Jorge M. ¹
Creator: Adams, Charles S. ¹
Creator: Weatherill, Kevin J. ¹

¹ Durham University, UK
Funder: Engineering and Physical Sciences Research Council
Durham University
The Federal Brazilian Agency of Research
Research methods
Other description
Keyword
Subject: Atomic physics
Optics
Location
Language
Cited in: arxiv:1603.07107
Identifier: ark:/32150/r21g05fb60q
doi:10.15128/r21g05fb60q
Publisher: Durham University
Date Created

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Depositor: C.G. Wade
Date Uploaded: 30 September 2016, 15:09:32
Date Modified: 18 October 2016, 14:10:21
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