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Updated: Jan 26, 2026

Microcrystal Electron Diffraction of Small Molecules
Published on: March 15, 2021
Diffractive and Interferometric Characterization of Nanostructured Photopolymer for Sharp Diffractive Optical
Roberto Fernández1, Sergi Gallego2,3, Yasuo Tomita4
1Instituto Universitario de Física Aplicada a las Ciencias y las Tecnologías, Universidad de Alicante, P.O. Box 99, E-03080 Alicante, Spain. roberto.fernandez@ua.es.
Abstract:
We study the behavior of a nanoparticle-polymer composite (NPC) material, based on a thiol-ene monomer system, working with long grating spacing. Thus, we evaluate the suitability of the NPC for storing complex diffractive optical elements with sharp profiles, such as blazed gratings. Using holographic methods, we measure the "apparent" diffusion of the material and the influence of the spatial period on this diffusion. The applicability of this material in complex diffractive optical elements (DOEs) recording is analyzed using an interferometric method. Supported by the results of this analysis, we record blazed gratings with different grating spacing and measure the maximum diffraction efficiency (DE) achieved. The results show that NPC has a good behavior in this range of spatial frequencies.
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