Fabrication of Thin-Film Axicons with Maximum Focal Lengths

The possibility of the fabrication of film axicons with large focal lengths is shown experimentally. The fabrication technology includes vacuum deposition of layers of chalcogenide glass of variable thickness, which varies linearly depending on the substrate radius. Axicons with focal lengths up to...

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Bibliographic Details
Published in:Optoelectronics, instrumentation, and data processing instrumentation, and data processing, 2020-07, Vol.56 (4), p.393-397
Main Authors: Nalivaiko, V. I., Ponomareva, M. A.
Format: Article
Language:English
Subjects:
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
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Description
Summary:The possibility of the fabrication of film axicons with large focal lengths is shown experimentally. The fabrication technology includes vacuum deposition of layers of chalcogenide glass of variable thickness, which varies linearly depending on the substrate radius. Axicons with focal lengths up to 15 m are obtained.
ISSN:8756-6990
1934-7944
DOI:10.3103/S8756699020040093