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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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Micro-cylindrical and micro-ring lenses in CVD diamond

Lee, C.L. and Gu, E. and Dawson, M.D. (2007) Micro-cylindrical and micro-ring lenses in CVD diamond. Diamond and Related Materials, 16 (4-7). pp. 944-948. ISSN 0925-9635

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Abstract

Micro-cylindrical and micro-ring lenses have been fabricated on chemical vapour deposition (CVD) diamond using photo-resist reflow and inductively coupled plasma dry etching. The surface morphology of these micro-lenses was characterized using atomic force microscopy, revealing that they have a root-mean-squared surface roughness of less than 3 nm and a cross-sectional profile close to spherical in shape. The optical properties of the micro-lenses were characterized by a laser scanning transmission/reflection confocal microscope. The measured optical parameters are very close to the calculated values, indicating high structural and surface quality of the micro-lenses. The characteristics of these micro-lenses suggest that the approach used is suitable for fabricating complex diamond micro-optics with various functionalities.