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Freiburg 2024 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 19: Ultracold Molecules and Precision Spectroscopy (joint session MO/Q)

Q 19.7: Vortrag

Dienstag, 12. März 2024, 12:30–12:45, HS 3044

Collisional shift and broadening of Rydberg states in thermal nitric oxide — •Alexander Trachtmann1, Fabian Munkes1, Patrick Kaspar1, Florian Anschütz1, Philipp Hengel2, Yannick Schellander3, Patrick Schalberger3, Norbert Fruehauf3, Jens Anders2, Robert Löw1, Tilman Pfau1, and Harald Kübler115. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart — 2Institut für Intelligente Sensorik und Theoretische Elektrotechnik, Universität Stuttgart, Pfaffenwaldring 47, 70569 Stuttgart — 3Institut für Großflächige Mikroelektronik, Universität Stuttgart, Allmandring 3b, 70569 Stuttgart

We report on the collisional shift and line broadening of Rydberg states in nitric oxide (NO) with increasing density of a background gas at room temperature [1]. As a background gas we either use NO itself or nitrogen (N2). The precision spectroscopy is achieved by a sub-Doppler three-photon excitation scheme with a subsequent readout of the Rydberg states realized by the amplification of a current generated by free charges due to collisions. [1] arXiv:2310.18256

Keywords: Fermi shift; nitric oxide; trace-gas sensor; Rydberg state; Stark effect

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