Towards redistribution laser cooling of molecular gases: production of candidtate molecules SrH by laser ablation

P. Simon; P. Moroshkin; L. Weller; A. Saß; M. Weitz

doi:10.1117/12.2002379

11 March 2013 Towards redistribution laser cooling of molecular gases: production of candidtate molecules SrH by laser ablation

P. Simon, P. Moroshkin, L. Weller, A. Saß, M. Weitz

Author Affiliations +

Proceedings Volume 8638, Laser Refrigeration of Solids VI; 86380C (2013) https://doi.org/10.1117/12.2002379
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

Laser cooling by collisional redistribution of radiation has been successfully applied in the past for cooling dense atomic gases. Here we report on progress of work aiming at the demonstration of redistribution laser cooling in a molecular gas. The candidate molecule strontium monohydride is produced by laser ablation of strontium dihydride in a pressurized noble gas atmosphere. The composition of the ablation plasma plume is analyzed by measuring its emission spectrum. The dynamics of SrH molecular density following the ablation laser pulse is studied as a function of the buffer gas pressure and the laser intensity.

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P. Simon, P. Moroshkin, L. Weller, A. Saß, and M. Weitz "Towards redistribution laser cooling of molecular gases: production of candidtate molecules SrH by laser ablation", Proc. SPIE 8638, Laser Refrigeration of Solids VI, 86380C (11 March 2013); https://doi.org/10.1117/12.2002379

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