Surface profile measurement of 3D-printed transparent objects using nonlinear optics

In Additive Manufacturing (AM), it is necessary to measure the surface profile of 3D-printed transparent objects in noninvasive manner, which remained, however, practically difficult to date. Nonlinear optical responses of transparent materials have been utilized in shortwavelength light generati...

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Main Authors: Jiao, Jiannan, Gao, Yi, Kim, Young-Jin
Other Authors: School of Mechanical and Aerospace Engineering
Format: Conference or Workshop Item
Language:English
Published: 2018
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Online Access:https://hdl.handle.net/10356/88670
http://hdl.handle.net/10220/45977
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-886702020-09-24T20:12:27Z Surface profile measurement of 3D-printed transparent objects using nonlinear optics Jiao, Jiannan Gao, Yi Kim, Young-Jin School of Mechanical and Aerospace Engineering Proceedings of the 3rd International Conference on Progress in Additive Manufacturing (Pro-AM 2018) Singapore Centre for 3D Printing DRNTU::Engineering::Mechanical engineering::Prototyping Additive Manufacturing Third Harmonic Generation In Additive Manufacturing (AM), it is necessary to measure the surface profile of 3D-printed transparent objects in noninvasive manner, which remained, however, practically difficult to date. Nonlinear optical responses of transparent materials have been utilized in shortwavelength light generation, optical phase/intensity modulators, and non-destructive inspection of the sample characteristics. In this research, we introduced nonlinear optics to surface profile measurement of 3D-printed micro-optic structures. For in-depth understanding of third harmonic generation mechanisms, the harmonic conversion efficiency was measured with different input polarization states, incident angles, and focal depths in the transparent materials including Sapphire and Si wafers. Our results can be utilized in surface inspection required in various industrial and scientific applications, including 3D-profile measurement of printed optical components and waveguides. NRF (Natl Research Foundation, S’pore) Published version 2018-09-13T01:08:41Z 2019-12-06T17:08:29Z 2018-09-13T01:08:41Z 2019-12-06T17:08:29Z 2018 Conference Paper Jiao, J., Gao, Y., & Kim, Y.-J. (2018). Surface profile measurement of 3D-printed transparent objects using nonlinear optics. Proceedings of the 3rd International Conference on Progress in Additive Manufacturing (Pro-AM 2018), 619-623. doi:10.25341/D4S592 https://hdl.handle.net/10356/88670 http://hdl.handle.net/10220/45977 10.25341/D4S592 en © 2018 Nanyang Technological University. Published by Nanyang Technological University, Singapore. 5 p. application/pdf
institution Nanyang Technological University
building NTU Library
country Singapore
collection DR-NTU
language English
topic DRNTU::Engineering::Mechanical engineering::Prototyping
Additive Manufacturing
Third Harmonic Generation
spellingShingle DRNTU::Engineering::Mechanical engineering::Prototyping
Additive Manufacturing
Third Harmonic Generation
Jiao, Jiannan
Gao, Yi
Kim, Young-Jin
Surface profile measurement of 3D-printed transparent objects using nonlinear optics
description In Additive Manufacturing (AM), it is necessary to measure the surface profile of 3D-printed transparent objects in noninvasive manner, which remained, however, practically difficult to date. Nonlinear optical responses of transparent materials have been utilized in shortwavelength light generation, optical phase/intensity modulators, and non-destructive inspection of the sample characteristics. In this research, we introduced nonlinear optics to surface profile measurement of 3D-printed micro-optic structures. For in-depth understanding of third harmonic generation mechanisms, the harmonic conversion efficiency was measured with different input polarization states, incident angles, and focal depths in the transparent materials including Sapphire and Si wafers. Our results can be utilized in surface inspection required in various industrial and scientific applications, including 3D-profile measurement of printed optical components and waveguides.
author2 School of Mechanical and Aerospace Engineering
author_facet School of Mechanical and Aerospace Engineering
Jiao, Jiannan
Gao, Yi
Kim, Young-Jin
format Conference or Workshop Item
author Jiao, Jiannan
Gao, Yi
Kim, Young-Jin
author_sort Jiao, Jiannan
title Surface profile measurement of 3D-printed transparent objects using nonlinear optics
title_short Surface profile measurement of 3D-printed transparent objects using nonlinear optics
title_full Surface profile measurement of 3D-printed transparent objects using nonlinear optics
title_fullStr Surface profile measurement of 3D-printed transparent objects using nonlinear optics
title_full_unstemmed Surface profile measurement of 3D-printed transparent objects using nonlinear optics
title_sort surface profile measurement of 3d-printed transparent objects using nonlinear optics
publishDate 2018
url https://hdl.handle.net/10356/88670
http://hdl.handle.net/10220/45977
_version_ 1681057770822959104