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This article is cited in 9 scientific papers (total in 9 papers)
OPTO-IT
Experiment with a diffractive lens with a fixed focus position at several given wavelengths
R. V. Skidanovab, L. L. Doskolovichab, S. V. Ganchevskayaab, V. A. Blankab, V. V. Podlipnovba, N. L. Kazanskiiba a Samara National Research University, Moskovskoye shosse, 34, 443086, Samara, Russia
b IPSI RAS – Branch of the FSRC "Crystallography and Photonics" RAS,
Molodogvardeyskaya 151, 443001, Samara, Russia
Abstract:
The paper presents results of the experimental investigation of “spectral” diffractive lenses the same focus position for several given wavelengths. Two spectral diffractive lenses designed to focus radiation of three and five specified wavelengths in the visible spectrum were investigated. Using a method of direct laser writing in photoresist with iterative correction of writing parameters, we fabricated a diffractive microrelief of the spectral lenses with the height deviation from the designed relief of less than 30 nm. Using a pinhole located at the focus of the fabricated lenses, we estimated the operation wavelengths. The point spread functions of the spectral lenses at the designed wavelengths were measured with the use of a tunable laser. The imaging properties of the spectral lenses were illustrated by the images of a reference color table.
Keywords:
spectral diffractive lens, harmonic lens, point spread function, focusing, photoresist direct laser recording method.
Received: 15.10.2019 Accepted: 26.12.2019
Citation:
R. V. Skidanov, L. L. Doskolovich, S. V. Ganchevskaya, V. A. Blank, V. V. Podlipnov, N. L. Kazanskii, “Experiment with a diffractive lens with a fixed focus position at several given wavelengths”, Computer Optics, 44:1 (2020), 22–28
Linking options:
https://www.mathnet.ru/eng/co757 https://www.mathnet.ru/eng/co/v44/i1/p22
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Abstract page: | 207 | Full-text PDF : | 60 | References: | 13 |
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