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The number of laser cooled and trapped thulium atoms in a magneto-optical trap is increased by a factor of 3 using a twodimensional optical molasses which collimated the atomic beam before entering a Zeeman slower. A diode laser operating at 410.6 nm was employed to form optical molasses: The laser was heated to 70 C by a two-step temperature stabilisation system. The laser system consisting of a master oscillator and an injectionlocked amplifier emitted more than 100 mW at 410 nm and had a spectral linewidth of 0.6 MHz. 2013 Kvantovaya Elektronika and Turpion Ltd.
author list (cited authors)
Sukachev, D. D., Kalganova, E. S., Sokolov, A. V., Savchenkov, A. V., Vishnyakova, G. A., Golovizin, A. A., ... Sorokin, V. N.