Nanoimprint lithography compatible high refractive index optical materials for photonic applications

C. Pina-Hernandez; K. Yamada; A. Legacy; K. Munechika

doi:10.1117/12.3001765

12 March 2024 Nanoimprint lithography compatible high refractive index optical materials for photonic applications

C. Pina-Hernandez, K. Yamada, A. Legacy, K. Munechika

Proceedings Volume 12913, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) V; 129130W (2024) https://doi.org/10.1117/12.3001765
Event: SPIE AR | VR | MR, 2024, San Francisco, California, United States

Abstract

The optics and photonics fields have been greatly developed in recent years leading to novel devices and applications for organic light emitting devices (OLEDs), high performance screens and virtual and augmented. The further development of these areas will be greatly advanced with the design, synthesis, and engineering of new optical materials with enhanced performance and excellent properties including high refractive index. The development of high refractive index materials is very challenging due to the high light absorption of the molecules and atoms required in the design of the molecular structure. Besides high refractive index and transparency, the synthesized materials must be easily processable, cost-effective, have long shelf-life and durability under extreme l conditions. These materials need to be easily nanopatterned with high resolutions and fidelity with a high throughput. We present the development of purely organic polymers with high refractive index for nanoimprint lithography. They are the organic polymers with the highest refractive index commercially available. The proposed materials are transparent in visible wavelengths, can be nanoimprinted with high resolution and have good durability for promising long service life stability. They can be spin-on or solvent-free materials. The developed high refractive index polymers can serve as an organic matrix for inorganic nanocrystals to create nanocomposites with even higher refractive indices. These materials represent the state-of-the-art in functional materials for nanoimprint lithography with applications in advanced photonics and will push the progression of several fields requiring high refractive index configurations including virtual and augmented reality.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

C. Pina-Hernandez, K. Yamada, A. Legacy, and K. Munechika "Nanoimprint lithography compatible high refractive index optical materials for photonic applications", Proc. SPIE 12913, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) V, 129130W (12 March 2024); https://doi.org/10.1117/12.3001765

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KEYWORDS

Refractive index

Polymers

Nanoimprint lithography

Transparency

Nanocomposites

Optical transmission

Polymer optics

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