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Coulomb Expansion of Cold Non-Neutral Rubidium Plasma
Michael A. Viray, Stephanie A. Miller, Georg Raithel
We study the expansion of a cold, non-neutral ion plasma into the vacuum. The plasma is made from cold rubidium atoms in a magneto-optical trap (MOT) and is formed via ultraviolet…
Expansion Dynamics of Cold Non-Neutral Plasma
Michael A. Viray, Stephanie A. Miller, Georg Raithel
We study the expansion of a strongly coupled, non-neutral, and cylindrically arranged ion plasma into the vacuum. The plasma is made from cold rubidium atoms in a magneto-optical t…
Radio-frequency-modulated Rydberg states in a vapor cell
Stephanie A. Miller, David A. Anderson, Georg Raithel
We measure strong radio-frequency (RF) electric fields using rubidium Rydberg atoms prepared in a room-temperature vapor cell as field sensors. Electromagnetically induced transpar…
Optical measurements of strong microwave fields with Rydberg atoms in a vapor cell
David A. Anderson, Stephanie A. Miller, Joshua A. Gordon +3
We present a spectral analysis of Rydberg atoms in strong microwave fields using electromagnetically induced transparency (EIT) as an all-optical readout. The measured spectroscopi…
Angular-momentum couplings in long-range Rb Rydberg molecules
David A. Anderson, Stephanie A. Miller, Georg Raithel
We study angular-momentum couplings in Rb Rydberg molecules formed between Rydberg and 5S ground-state atoms. We use a Fermi model that includes S-wave and P-wav…
Millimeter Wave Detection via Autler-Townes Splitting in Rubidium Rydberg Atoms
Joshua A. Gordon, Christopher L. Holloway, Andrew Schwarzkopf +4
In this paper we demonstrate the detection of millimeter waves via Autler-Townes splitting in 85Rb Rydberg atoms. This method may provide an independent, atom-based, SI-traceable m…
Broadband Rydberg Atom-Based Electric-Field Probe: From Self-Calibrated Measurements to Sub-Wavelength Imaging
Christopher L. Holloway, Josh A. Gordon, Steven Jefferts +5
We discuss a fundamentally new approach for the measurement of electric (E) fields that will lead to the development of a broadband, direct SI-traceable, compact, self-calibrating…
Sub-Wavelength Imaging and Field Mapping via EIT and Autler-Townes Splitting In Rydberg Atoms
Christopher L. Holloway, Joshua A. Gordon, Andrew Schwarzkopf +4
We present a technique for measuring radio-frequency (RF) electric field strengths with sub-wavelength resolution. We use Rydberg states of rubidium atoms to probe the RF field. Th…
Photoassociation of long-range Rydberg molecules
David A. Anderson, Stephanie A. Miller, Georg Raithel
We observe long-range homonuclear diatomic Rydberg molecules photoassociated out of an ultracold gas of Rb atoms for 3440. The measured ground-state binding…