High-performance liquid chromatography and UV-visible measurements to optimize the storage of volume holograms in hydrogels

Kheloud Berramdane; Manuel G. Ramírez; María Isabel Lucío; María-José Bañuls; Ángel Maquieira; Daniel Cárdenas; Belén Nieto-Rodríguez; Marta Morales-Vidal; Manuel Ortuño; Inmaculada Pascual

doi:10.1117/12.2665905

31 May 2023 High-performance liquid chromatography and UV-visible measurements to optimize the storage of volume holograms in hydrogels

Kheloud Berramdane, Manuel G. Ramírez, María Isabel Lucío, María-José Bañuls, Ángel Maquieira, Daniel Cárdenas, Belén Nieto-Rodríguez, Marta Morales-Vidal, Manuel Ortuño, Inmaculada Pascual

Author Affiliations +

Proceedings Volume 12574, Holography: Advances and Modern Trends VIII; 125740I (2023) https://doi.org/10.1117/12.2665905
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic

Abstract

The storage of time-stable holographic gratings in photohydrogels when the material is immersed in liquid media represents a great challenge at present. A very important stage in the process of storing holograms in photohydrogels are the washing stages to eliminate the remains of the components that have not reacted in the photochemical reaction. The main goal of this work is focusing on the study of the optimization of the washing stages of the photohydrogels based on acrylamide and N,N’-methylenebis(acrylamide) once unslanted transmission holograms have been stored. For the purpose of determining the compositions of the wash solutions, High-Performance Liquid Chromatography and UV-visible measurements have been employed in our system. PBST and DMSO:H₂O 6:4 (v/v) are used as solvents in the washing stages. The diffraction efficiencies are measured during the washing stages and after the storing of the holograms during several days in PBST. Maximum diffraction efficiencies of 38.0 and 27.6% are reached when PBST and DMSO:H₂O 6:4 are employed, respectively.

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Kheloud Berramdane, Manuel G. Ramírez, María Isabel Lucío, María-José Bañuls, Ángel Maquieira, Daniel Cárdenas, Belén Nieto-Rodríguez, Marta Morales-Vidal, Manuel Ortuño, and Inmaculada Pascual "High-performance liquid chromatography and UV-visible measurements to optimize the storage of volume holograms in hydrogels", Proc. SPIE 12574, Holography: Advances and Modern Trends VIII, 125740I (31 May 2023); https://doi.org/10.1117/12.2665905

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