Atoms Caught in Optical Dipole Trap (IMAGE) Joint Quantum Institute Caption Rubidium atoms are held in place using a pair of laser beams at a wavelength of 1064 nm. Two other beams, promote the atoms from their ground state (5s) first to the 5p state and then to the still higher 18 s state. - See more at: http://jqi.umd.edu/news/magic-wavelengths#sthash.GGwhXrVu.dpuf Credit Kelley/JQI Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.