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30 September 2024 Non-intrusive geoengineering and other emerging energy applications enabled by ultralight 4G planar optics
David E. Roberts, Nelson V. Tabiryan
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Proceedings Volume PC13121, Liquid Crystals XXVIII; PC1312108 (2024) https://doi.org/10.1117/12.3028697
Event: Organic Photonics + Electronics, 2024, San Diego, California, United States
Abstract
Controlling the amount of light energy that reaches Earth from the Sun is becoming an issue of utmost importance, according to many scientists. The solutions being proposed range from “dumping chemicals in the oceans, spraying saltwater into clouds, and injecting reflective particles into the sky” to putting a giant parasol in space to shade the Earth. This last idea, the least destructive in this list, has been studied for years with no practical solution in sight. Liquid crystal polymer diffractive waveplates, the fourth generation of optics, offers a highly promising solution due to feasibility of spectrally broadband high efficiency diffraction a with ultralight free-standing optical films with lowest mass for the expected solar energy reduction.
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David E. Roberts and Nelson V. Tabiryan "Non-intrusive geoengineering and other emerging energy applications enabled by ultralight 4G planar optics", Proc. SPIE PC13121, Liquid Crystals XXVIII, PC1312108 (30 September 2024); https://doi.org/10.1117/12.3028697
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KEYWORDS
Ocean optics
Polymer optics
Liquid crystals
Particles
Polymer thin films
Polymers
Reflection
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