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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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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.