Optically pumped external-cavity semiconductor lasers for precision spectroscopy and laser cooling of atomic Hg

Justin R. Paul; Christian R. Lytle; Yushi Kaneda; Jerome Moloney; Tsuei-Lian Wang; R. Jason Jones

doi:10.1117/12.2004351

18 February 2013 Optically pumped external-cavity semiconductor lasers for precision spectroscopy and laser cooling of atomic Hg

Justin R. Paul, Christian R. Lytle, Yushi Kaneda, Jerome Moloney, Tsuei-Lian Wang, R. Jason Jones

Author Affiliations +

Proceedings Volume 8606, Vertical External Cavity Surface Emitting Lasers (VECSELs) III; 86060R (2013) https://doi.org/10.1117/12.2004351
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

We demonstrate the utility of optically pumped semiconductor lasers (OPSLs) in the eld of precision atomic spectroscopy. We have constructed an OPSL for the purpose of laser-cooling and trapping neutral Hg atoms. The OPSL lases at 1015 nm and is frequency quadrupled to provide the trapping light for the ground state cooling transition. We report up to 1.5 W of stable, single-frequency output power with a linewidth of < 70 kHz with active feedback. From the OPSL we generate deep-UV light at 253.7 nm used to form a neutral Hg magneto-optical trap (MOT). We present details of the MOT. We also report initial results for spectroscopy of the 6¹S₀ - 6³P₀ clock transition in the Hg¹⁹⁹ isotope.

Citation Download Citation

Justin R. Paul, Christian R. Lytle, Yushi Kaneda, Jerome Moloney, Tsuei-Lian Wang, and R. Jason Jones "Optically pumped external-cavity semiconductor lasers for precision spectroscopy and laser cooling of atomic Hg", Proc. SPIE 8606, Vertical External Cavity Surface Emitting Lasers (VECSELs) III, 86060R (18 February 2013); https://doi.org/10.1117/12.2004351

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