Fabrication and characterization of hybrid-glass-based axicons

Terho Kololuoma, Kari Kataja, Sanna Juuso, Janne Aikio, Juha T. Rantala

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Abstract

We introduce a process for applying directly UV photopatternable materials and processing methods for the fabrication of binary diffractive optical elements.
We design and model a binary axicon—an optical element that produces an almost diffraction free beam at a specified distance from the element. We also synthesize sol-gel-based hybrid glass materials and tailor their processing parameters to fit to the demands of the axicon design.
A grating periodicity of 2 μm, an 850-nm structure depth, and certain morphological properties are required to meet the design parameters.
The materials are synthesized using zirconium(IV)isopropoxide, methacrylic acid and methacryloxypropyltrimethoxysilane as deposition material precursors. We determine the morphological and shape characteristics of the fabricated axicons as a function of the lithographic exposure parameters. The optical characteristics of the axicons are measured in terms of the axial and radial intensity profiles.
The difference between the modeled and measured results is explained.
Original languageEnglish
Pages (from-to)3136-3140
JournalOptical Engineering
Volume41
Issue number12
DOIs
Publication statusPublished - 2002
MoE publication typeA1 Journal article-refereed

Fingerprint

Fabrication
Glass
fabrication
glass
Diffractive optical elements
periodic variations
Processing
Optical devices
Zirconium
gels
gratings
Sol-gels
acids
Diffraction
profiles
diffraction
Acids

Cite this

Kololuoma, Terho ; Kataja, Kari ; Juuso, Sanna ; Aikio, Janne ; Rantala, Juha T. / Fabrication and characterization of hybrid-glass-based axicons. In: Optical Engineering. 2002 ; Vol. 41, No. 12. pp. 3136-3140.
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Kololuoma, T, Kataja, K, Juuso, S, Aikio, J & Rantala, JT 2002, 'Fabrication and characterization of hybrid-glass-based axicons', Optical Engineering, vol. 41, no. 12, pp. 3136-3140. https://doi.org/10.1117/1.1518993

Fabrication and characterization of hybrid-glass-based axicons. / Kololuoma, Terho; Kataja, Kari; Juuso, Sanna; Aikio, Janne; Rantala, Juha T.

In: Optical Engineering, Vol. 41, No. 12, 2002, p. 3136-3140.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Fabrication and characterization of hybrid-glass-based axicons

AU - Kololuoma, Terho

AU - Kataja, Kari

AU - Juuso, Sanna

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AU - Rantala, Juha T.

PY - 2002

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AB - We introduce a process for applying directly UV photopatternable materials and processing methods for the fabrication of binary diffractive optical elements. We design and model a binary axicon—an optical element that produces an almost diffraction free beam at a specified distance from the element. We also synthesize sol-gel-based hybrid glass materials and tailor their processing parameters to fit to the demands of the axicon design. A grating periodicity of 2 μm, an 850-nm structure depth, and certain morphological properties are required to meet the design parameters. The materials are synthesized using zirconium(IV)isopropoxide, methacrylic acid and methacryloxypropyltrimethoxysilane as deposition material precursors. We determine the morphological and shape characteristics of the fabricated axicons as a function of the lithographic exposure parameters. The optical characteristics of the axicons are measured in terms of the axial and radial intensity profiles. The difference between the modeled and measured results is explained.

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