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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Laser cooling with a single laser beam and a planar diffractor

Vangeleyn, Matthieu and Griffin, Paul F. and Riis, Erling and Arnold, Aidan S. (2010) Laser cooling with a single laser beam and a planar diffractor. Optics Letters, 35 (20). pp. 3453-3455. ISSN 0146-9592

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Abstract

A planar triplet of diffraction gratings is used to transform a single laser beam into a four-beam tetrahedral magneto-optical trap. This "flat" pyramid diffractor geometry is ideal for future microfabrication. We demonstrate the technique by trapping and subsequently sub-Doppler cooling Rb-87 atoms to 30 mu K.