New recording materials for the holographic industry

Abstract

This paper describes a new class of recording materials for volume holographic applications suitable to meet commercial manufacturing needs. These next-generation holographic photopolymers have the ability to satisfy the unmet demand for color and depth tuning that is only possible with volume holograms. Unlike earlier holographic photopolymers, these new materials offer the advantages of no chemical or thermal processing combined with low shrinkage and detuning. Furthermore, these materials exhibit high transparency, a high resolution of more than 5000 lines/mm and are environmentally robust. Bayer MaterialScience plans to commercialize these materials, which combine excellent holographic characteristics with compatibility to mass-production processes. In this paper, we will briefly discuss the potential markets and applications for a new photopolymer, describe the attributes of this new class of photopolymers, relate their ease of use in holographic recording, and discuss potential applications of such materials..

Effects of ZnO quantum dots on the photostability of acrylate photopolymers used as recording materials

“…Anhydrous zinc acetate Zn(OAc) 2 The polymer samples were prepared by coating the photopolymerizable mixture onto a glass slide or a CaF 2 plate or, on a small aluminum rectangular crucible, followed by irradiation performed in an inert argon gas atmosphere using a conventional irradiation device (monochromator) at 488 nm with an intensity of 0.6 mW cm -2 , in the same conditions used for recording [23].…”

“…Photopolymers fulfil most of the requirements that an ideal recording media should satisfy [1,2], and therefore they were considered promising for holographic recording. Recording gratings in photopolymerizable material from imagewise illumination was related to a refractive index modulation ∆n (the key for the optical performance) between the constructive and destructive regions of the formed grating.…”

Environmental stability study of holographic solar spectrum splitting materials

“…Covestro Bayfol HX is a photopolymer that has been developed in the last several years and is being increasingly used for various HOE applications 17 . Bayfol HX has recently been suggested for use in spectrum splitting systems, due to its high index modulation, suitable bandwidth of 230nm, and 1-step dry processing photobleaching process 18 .…”

Современное Состояние Разработки Светочувствительных Сред Для Голографии (Обзор)

“…Среди фотополимеризующихся материалов наиболь-ший коммерческий интерес в настоящее время представ-ляют разработанные фирмой Байер (Германия) свето- чувствительные пленки на основе акрилатной компози-ции BMS, обеспечивающие регистрацию цветных голо-грамм [47,48]. По сравнению с известными ПВС/акрил-амидными композициями она обладает более высо-кой светочувствительностью, в 3 раза большим фото-индуцированным изменением показателя преломления, высокой разрешающей способностью и возможностью регистрации высококачественных отражательных голо-грамм.…”