TY - JOUR
T1 - A Field Guide to Azopolymeric Optical Fourier Surfaces and Augmented Reality
AU - Lim, Yongjun
AU - Kang, Byungsoo
AU - Hong, Seung Jae
AU - Son, Heeju
AU - Im, Eunji
AU - Bang, Joona
AU - Lee, Seungwoo
N1 - Funding Information:
Y.L., B.K., S.J.H., and H.S. equally contributed to this work. This work was mainly supported by Samsung Research Funding Center for Samsung Electronics under project number SRFC‐MA1801‐04. Y.L. and B.K. were supported by Korea University and KU‐KIST School Project.
Funding Information:
Y.L., B.K., S.J.H., and H.S. equally contributed to this work. This work was mainly supported by Samsung Research Funding Center for Samsung Electronics under project number SRFC-MA1801-04. Y.L. and B.K. were supported by Korea University and KU-KIST School Project.
Publisher Copyright:
© 2021 Wiley-VCH GmbH.
PY - 2021/9/23
Y1 - 2021/9/23
N2 - Optical Fourier surfaces (OFSs) are used for various applications, from diffractive optics to augmented reality (AR). However, the current methods of fabricating OFSs primarily rely on lithographic photochemical reactions and etching. These methods are likely to fabricate digitalized binary reliefs, which cannot match the ideal surface profile of OFSs. Such a profile is the sum of sinusoidal surfaces with various spatial frequencies. As an exception, scanning probe lithography (SPL) is found to be compatible with OFSs. However, the accessible pattern area of the OFSs created via SPL is relatively small owing to the serial feature of the fabrication, which in turn results in an undesired and complicated Fourier spectrum. In this article, the holographic inscription is redesigned for the low-cost, large-area, and rapid prototyping of customized OFSs. To this end, an integrative pipeline is established across numerical design, material optimization, and the pragmatic considerations of optical processing. Then, a soft molding strategy is suggested for optically transparent and flexible OFSs and its use for easy-to-craft AR devices. Overall, this intuitive framework not only expands the scope of Fourier optics but also acts as a field guide to azopolymeric OFSs and AR technology for experts and newcomers alike.
AB - Optical Fourier surfaces (OFSs) are used for various applications, from diffractive optics to augmented reality (AR). However, the current methods of fabricating OFSs primarily rely on lithographic photochemical reactions and etching. These methods are likely to fabricate digitalized binary reliefs, which cannot match the ideal surface profile of OFSs. Such a profile is the sum of sinusoidal surfaces with various spatial frequencies. As an exception, scanning probe lithography (SPL) is found to be compatible with OFSs. However, the accessible pattern area of the OFSs created via SPL is relatively small owing to the serial feature of the fabrication, which in turn results in an undesired and complicated Fourier spectrum. In this article, the holographic inscription is redesigned for the low-cost, large-area, and rapid prototyping of customized OFSs. To this end, an integrative pipeline is established across numerical design, material optimization, and the pragmatic considerations of optical processing. Then, a soft molding strategy is suggested for optically transparent and flexible OFSs and its use for easy-to-craft AR devices. Overall, this intuitive framework not only expands the scope of Fourier optics but also acts as a field guide to azopolymeric OFSs and AR technology for experts and newcomers alike.
KW - Fourier optics
KW - augmented reality
KW - gratings
KW - holographic inscription
KW - soft molding
UR - http://www.scopus.com/inward/record.url?scp=85110661377&partnerID=8YFLogxK
U2 - 10.1002/adfm.202104105
DO - 10.1002/adfm.202104105
M3 - Article
AN - SCOPUS:85110661377
SN - 1616-301X
VL - 31
JO - Advanced Functional Materials
JF - Advanced Functional Materials
IS - 39
M1 - 2104105
ER -