Nano-grinding of micro profiles and microlenses on optical fibers endfaces for use in optical-fiber sensors

Gharbia YA; Milton G; Katupitiya J, 2007, 'Nano-grinding of micro profiles and microlenses on optical fibers endfaces for use in optical-fiber sensors', Proceedings of SPIE - The International Society for Optical Engineering, vol. 6619, Italy

Abstract / Description

This paper presents nanogrinding as an alternative technique for the fabrication of optical fiber micro profiles. Grinding of these lenses is carried out on a nanogrinding machine (NGM) specially built for this purpose. Cleaved single mode optical fibers with core diameter of 9 μm and outside diameter of 125 μm were used. Optical fiber endfaces with a multitude of micro profiles were successfully made. This includes conical lenses, tapered lenses, D-shaped endfaces, and fibers with oblique endfaces. The results are presented in the form of optical microscopy and scanning electron microscopy images of the produced lenses.

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