An experimental method for laser micro-machining of spherical and elliptical 3-D objects
by Wen-Hui Lee, T. Ozel
International Journal of Nanomanufacturing (IJNM), Vol. 3, No. 3, 2009

Abstract: Laser micro-machining has the capability to fabricate complex geometric features which can be performed by controlling laser beam properties. However, this method requires additional capabilities for a typical laser system. In this paper, an experimental method is presented to fabricate 3-D spherical and elliptical geometric features which are typical for aspheric and or refractive micro-lenses. A computational simulation is developed to design a mask with varying density and diameter of the holes. The masks are created using micro-drilling and utilised in laser micromachining of 3-D objects on polycarbonate polymer substrates.

Online publication date: Wed, 22-Jul-2009

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