Refractive index tuning and birefringence effect in crosslinked siloxane-acrylate copolymers for optical waveguide applications

Refractive index tuning and birefringence effect in crosslinked siloxane-acrylate copolymers for optical waveguide applications

Tunability of refractive index of polymeric waveguide material could be made by controlling free volume as well as polarizability of constituent materials. Two acrylate-co-polysiloxane series of different crosslinking network were synthesised by utilizing different crosslinker and monomer feeding ra...

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Published in:Materials Chemistry and Physics
Main Author: Noh Amin Abdul Rahman A.M.; Akil H.M.; Abd Rahman M.K.; Harun N.; Ahmad Z.
Format: Article
Language:English
Published: Elsevier Ltd 2024
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85194034180&doi=10.1016%2fj.matchemphys.2024.129433&partnerID=40&md5=44eb9cfa7868a330c07171b20394a7e1
id 2-s2.0-85194034180
spelling 2-s2.0-85194034180
Noh Amin Abdul Rahman A.M.; Akil H.M.; Abd Rahman M.K.; Harun N.; Ahmad Z.
Refractive index tuning and birefringence effect in crosslinked siloxane-acrylate copolymers for optical waveguide applications
2024
Materials Chemistry and Physics
321

10.1016/j.matchemphys.2024.129433
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85194034180&doi=10.1016%2fj.matchemphys.2024.129433&partnerID=40&md5=44eb9cfa7868a330c07171b20394a7e1
Tunability of refractive index of polymeric waveguide material could be made by controlling free volume as well as polarizability of constituent materials. Two acrylate-co-polysiloxane series of different crosslinking network were synthesised by utilizing different crosslinker and monomer feeding ratio. Using Claussius-Mossotti/Lorentz-Lorentz (CM/LL) model, fractional free volumes were calculated showing a decrease in the experimental (nexp) compared to theoretical (ni) refractive indices. Curing agent with asymmetrical configuration induce a crosslink network of higher birefringence. They were respectively fabricated into multimode channel waveguide whose core-clad refractive index differences (Δn) show values in the range 0.0049–0.0408. © 2024 Elsevier B.V.
Elsevier Ltd
2540584
English
Article
author Noh Amin Abdul Rahman A.M.; Akil H.M.; Abd Rahman M.K.; Harun N.; Ahmad Z.
spellingShingle Noh Amin Abdul Rahman A.M.; Akil H.M.; Abd Rahman M.K.; Harun N.; Ahmad Z.
Refractive index tuning and birefringence effect in crosslinked siloxane-acrylate copolymers for optical waveguide applications
author_facet Noh Amin Abdul Rahman A.M.; Akil H.M.; Abd Rahman M.K.; Harun N.; Ahmad Z.
author_sort Noh Amin Abdul Rahman A.M.; Akil H.M.; Abd Rahman M.K.; Harun N.; Ahmad Z.
title Refractive index tuning and birefringence effect in crosslinked siloxane-acrylate copolymers for optical waveguide applications
title_short Refractive index tuning and birefringence effect in crosslinked siloxane-acrylate copolymers for optical waveguide applications
title_full Refractive index tuning and birefringence effect in crosslinked siloxane-acrylate copolymers for optical waveguide applications
title_fullStr Refractive index tuning and birefringence effect in crosslinked siloxane-acrylate copolymers for optical waveguide applications
title_full_unstemmed Refractive index tuning and birefringence effect in crosslinked siloxane-acrylate copolymers for optical waveguide applications
title_sort Refractive index tuning and birefringence effect in crosslinked siloxane-acrylate copolymers for optical waveguide applications
publishDate 2024
container_title Materials Chemistry and Physics
container_volume 321
container_issue
doi_str_mv 10.1016/j.matchemphys.2024.129433
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85194034180&doi=10.1016%2fj.matchemphys.2024.129433&partnerID=40&md5=44eb9cfa7868a330c07171b20394a7e1
description Tunability of refractive index of polymeric waveguide material could be made by controlling free volume as well as polarizability of constituent materials. Two acrylate-co-polysiloxane series of different crosslinking network were synthesised by utilizing different crosslinker and monomer feeding ratio. Using Claussius-Mossotti/Lorentz-Lorentz (CM/LL) model, fractional free volumes were calculated showing a decrease in the experimental (nexp) compared to theoretical (ni) refractive indices. Curing agent with asymmetrical configuration induce a crosslink network of higher birefringence. They were respectively fabricated into multimode channel waveguide whose core-clad refractive index differences (Δn) show values in the range 0.0049–0.0408. © 2024 Elsevier B.V.
publisher Elsevier Ltd
issn 2540584
language English
format Article
accesstype
record_format scopus
collection Scopus
_version_ 1809677880840421376

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