First experimental results presented at the International Conference on Rydberg Physics in Durham June 2015

We presented our first experimental results at the International Conference on Rydberg Physics in Durham! We showed trap loss spectroscopy of the 19d state via a two-photon resonance at 767 nm + 461 nm wavelengths for coupling times up to 10 ms. Using state resolved absorption imaging to probe the populations of the different hyperfine ground states we can measure the decay of the dressed states as a function of the two laser detunings and identify the dominant loss mechanisms. As an unexpected surprise we observe effects of the multilevel structure of potassium beyond the three-level picture which will be important to consider in future experiments concerning Rydberg dressed quantum fluids.