Materials development demonstrates the fabrication of sulfur-rich optical polymer fibers, highlighting viable pathways for flexible infrared waveguides.
Sulfur is an earth abundant element that can be combined with organic crosslinking molecules to synthesize polymers through a process called inverse vulcanization. The resulting polymer materials can be fabricated to possess advantageous optical properties, including high refractive index and optical transparency in the infrared (IR) region of the electromagnetic spectrum. Despite their potential use in various optical platforms, implementing these sulfur-rich polymers into practical applications is a non-trivial endeavor. The work presented details efforts in developing these materials into optical polymer preforms and optical polymer fibers for use as waveguides in the IR.
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Boyd et al. (2024) studied this question.
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