FORMATION OF THIN-FILM AXICONS WITH MAXIMUM FOCAL LENGTHS
V. I. Nalivaiko1, M. A. Ponomareva1,2
1Institute of Automation and Electrometry , Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2Novosibirsk State Technical University, Novosibirsk, Russia
Keywords: аксикон, халькогенидное стекло, вакуумное напыление, тонкие плёнки, axicon, chalcogenide glass, vacuum deposition, thin films
Abstract
The possibility of producing film axicons with large focal lengths is experimentally demonstrated. The manufacturing technology includes vacuum deposition of chalcogenide glass layers of variable thickness, which varies linearly depending on the substrate radius. Axicons with focal lengths up to 15 m are obtained.
|
