BibTex Citation Data :
@article{JPA30500, author = {Ian Yulianti and Aflah Agus Rizkika and Ngurah Made Darma Putra and Mohammad Alauhdin and Budi Astuti and Wasi Sakti Wiwit Prayitno and Deffrian Prayogo and Nishfa Mufatihah and Naufal Athoriq}, title = {Performance Comparison of Large-Core Optical Waveguides with Waste-Derived and Analytical-Grade Chitosan Core Materials}, journal = {Journal of Physics and Its Applications}, volume = {8}, number = {1}, year = {2026}, keywords = {Optical waveguide; Biopolymer; Chitosan; PMMA cladding ;Optical loss}, abstract = { This study investigates and compares the optical performance of large-core polymer waveguides fabricated using shrimp-shell-derived chitosan (SSC) and analytical-grade chitosan (AGC) as core materials. Both materials were processed into a buried square-core waveguide configuration and evaluated through optical loss measurements, time-dependent loss (TiDL), temperature-dependent loss (TDL), and microstructural examination. The two chitosan types exhibited their lowest attenuation at a concentration of 0.04 g/mL, with AGC showing marginally lower optical loss, consistent with its higher purity and degree of deacetylation. AGC also demonstrated superior temporal and thermal stability, supported by SEM results indicating a smoother and more homogeneous core morphology. Nevertheless, SSC showed performance levels closely comparable to AGC, revealing that biowaste-derived chitosan can function effectively as a core material for large-core waveguides. This outcome underscores the potential of SSC as a sustainable, low-cost alternative, contributing to SDG 12 (Responsible Consumption and Production) through biowaste valorization, and SDG 9 (Industry, Innovation, and Infrastructure) by promoting eco-friendly materials for future optical sensor platforms. The results affirm that SSC-based waveguides hold promise for applications including humidity, pH, chemical, and biochemical sensing. }, issn = {2622-5956}, pages = {72--81} doi = {10.14710/jpa.v8i1.30500}, url = {https://ejournal2.undip.ac.id/index.php/jpa/article/view/30500} }
Refworks Citation Data :
This study investigates and compares the optical performance of large-core polymer waveguides fabricated using shrimp-shell-derived chitosan (SSC) and analytical-grade chitosan (AGC) as core materials. Both materials were processed into a buried square-core waveguide configuration and evaluated through optical loss measurements, time-dependent loss (TiDL), temperature-dependent loss (TDL), and microstructural examination. The two chitosan types exhibited their lowest attenuation at a concentration of 0.04 g/mL, with AGC showing marginally lower optical loss, consistent with its higher purity and degree of deacetylation. AGC also demonstrated superior temporal and thermal stability, supported by SEM results indicating a smoother and more homogeneous core morphology. Nevertheless, SSC showed performance levels closely comparable to AGC, revealing that biowaste-derived chitosan can function effectively as a core material for large-core waveguides. This outcome underscores the potential of SSC as a sustainable, low-cost alternative, contributing to SDG 12 (Responsible Consumption and Production) through biowaste valorization, and SDG 9 (Industry, Innovation, and Infrastructure) by promoting eco-friendly materials for future optical sensor platforms. The results affirm that SSC-based waveguides hold promise for applications including humidity, pH, chemical, and biochemical sensing.
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