Abstract
Towards production of microbeams, propagation of visible light through a tapered glass capillary has been studied. Transmittance has been measured for capillaries with different outlet diameters to be about several % and larger than 80% has been achieved in combining with the optical lens. Density enhancement of the capillary has been derived, showing the strong focusing ability of the tapered glass capillary.
© 2013 IEICE
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