The commercialization in the lithium niobate on insulator provides start for the emergence of large-excellent lithium niobate photonic crystals. As a way to offer assistance on the investigate of lithium niobate photonic crystal products, new progress about fabrication, characterization, and apps of the thin-movie lithium niobate photonic crystal is reviewed. https://emilianogfdyr.blogstival.com/54523471/lithium-niobate-crystal-secrets