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Berlin 2014 – scientific programme

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A: Fachverband Atomphysik

A 28: Poster: Ultra-cold plasmas and Rydberg systems (with Q)

A 28.3: Poster

Tuesday, March 18, 2014, 16:30–18:30, Spree-Palais

Measurements and numerical calculations of 87Rb Rydberg Stark Maps — •Jens Grimmel, Markus Mack, Florian Karlewski, Malte Reinschmidt, Florian Jessen, and József Fortágh — Physikalisches Institut, Universität Tübingen, Germany

Rydberg atoms are extremely sensitive to electric fields and consquently have a rich Stark spectrum. We present high precision frequency measurments of Stark Maps for Rubidium Rydberg atoms with principal quantum numbers between 26 and 75. A two photon measurement scheme creates Rydberg atoms inbetween two electrodes of a capacitor in a glass vapor cell. The exact transition frequency at a given field strength is determined by scanning the coupling laser and observing the apperance of an electromagnetically induced transparency window. The two lasers are phase locked to a frequency comb. The Stark Maps were numerically calculated based on the method of [M. Zimmerman et al., Phys. Rev. A 20, 2251-2275 (1979)], and match the data to within 1MHz.

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