Hybrid aerosol jet μ -stereolithography additive manufacturing for fabrication of multi-material polymer step-index optics

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Hossein Salmani Rezaei
  • Moritz Hinkelmann
  • Jörg Neumann
  • Dietmar Kracht
  • Ludger Overmeyer
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Details

Original languageEnglish
Article number095105
JournalOptical engineering
Volume62
Issue number9
Publication statusPublished - 26 Sept 2023

Abstract

We propose a technique for additive manufacturing of polymer step-index (STIN) optics. The process is composed of aerosol jet multi-material deposition followed by laser-assisted stereolithography in an alternating fashion to fabricate multi-material three-dimensional objects. The layer-wise dynamic tuning of the refractive index provides the possibility to fabricate optics with tailored index profiles. The index range achieved by the presented approach is considerably higher than the common index tuning techniques. Using this technique, a planar multilayer STIN lens is fabricated. The index profile of the fabricated lens has similar progression to the designed profile. In addition, through simulation and also optical characterization, the lensing functionality of the structure is observed.

Keywords

    additive manufacturing, aerosol jet, multi-material printing, step-index optics

ASJC Scopus subject areas

Cite this

Hybrid aerosol jet μ -stereolithography additive manufacturing for fabrication of multi-material polymer step-index optics. / Rezaei, Hossein Salmani; Hinkelmann, Moritz; Neumann, Jörg et al.
In: Optical engineering, Vol. 62, No. 9, 095105, 26.09.2023.

Research output: Contribution to journalArticleResearchpeer review

Rezaei HS, Hinkelmann M, Neumann J, Kracht D, Overmeyer L. Hybrid aerosol jet μ -stereolithography additive manufacturing for fabrication of multi-material polymer step-index optics. Optical engineering. 2023 Sept 26;62(9):095105. doi: 10.1117/1.OE.62.9.095105
Rezaei, Hossein Salmani ; Hinkelmann, Moritz ; Neumann, Jörg et al. / Hybrid aerosol jet μ -stereolithography additive manufacturing for fabrication of multi-material polymer step-index optics. In: Optical engineering. 2023 ; Vol. 62, No. 9.
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abstract = "We propose a technique for additive manufacturing of polymer step-index (STIN) optics. The process is composed of aerosol jet multi-material deposition followed by laser-assisted stereolithography in an alternating fashion to fabricate multi-material three-dimensional objects. The layer-wise dynamic tuning of the refractive index provides the possibility to fabricate optics with tailored index profiles. The index range achieved by the presented approach is considerably higher than the common index tuning techniques. Using this technique, a planar multilayer STIN lens is fabricated. The index profile of the fabricated lens has similar progression to the designed profile. In addition, through simulation and also optical characterization, the lensing functionality of the structure is observed.",
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