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Revolutionary Method Lowers Cost of Ultra-Thin Metalenses

6/6/2025

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Summary

Story summary

ETH Zurich researchers, spearheaded by physicist Rachel Grange, have unveiled an innovative, budget-friendly technique for crafting ultra-thin metalenses from lithium niobate. This groundbreaking soft nanoimprinting method harnesses nonlinear optical effects, such as second-harmonic generation, promising to transform optics across electronics, imaging, and anti-counterfeiting, and democratizing access to precision optics.

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Story summary

ETH Zurich researchers, spearheaded by physicist Rachel Grange, have unveiled an innovative, budget-friendly technique for crafting ultra-thin metalenses from lithium niobate. This groundbreaking soft nanoimprinting method harnesses nonlinear optical effects, such as second-harmonic generation, promising to transform optics across electronics, imaging, and anti-counterfeiting, and democratizing access to precision optics.