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Main Title: Spatial Frequency Response of Epoxy-Based Volume Holographic Recording Material
Author(s): Sabel, Tina
Type: Article
Language Code: en
Abstract: Holographic volume phase gratings are recorded in an epoxy-based, free-surface, volume holographic recording material. Light-induced gratings are formed by photo-triggered mass migration caused by component diffusion. The material resolution enables a wide range of pattern spacings, to record both transmission and reflection holograms with many different spatial frequencies. An optimum spatial frequency response is found between the low spatial frequency roll-off and the high spatial frequency cut-off. The influence of the energy density of exposure on the spatial frequency response is investigated. Secondary volume holographic gratings (parasitic gratings) are observed in the high frequency range. The possibility of distinguishing the regular grating from the secondary grating is discussed in the form of probe wavelength detuning.
Issue Date: 14-Mar-2019
Date Available: 27-Aug-2019
DDC Class: 540 Chemie und zugeordnete Wissenschaften
Subject(s): photosensitive materials
volume holographic phase gratings
diffractive optical elements
material response
secondary gratings
transmission gratings
reflection gratings
Sponsor/Funder: DFG, 277633398, Integration dreidimensional strukturierter Hydrogele für Intraokulare, funktional-erweiterbare Linsen
Journal Title: Molecules
Publisher: MDPI
Publisher Place: Basel
Volume: 24
Issue: 6
Article Number: 1018
Publisher DOI: 10.3390/molecules24061018
EISSN: 1420-3049
Appears in Collections:FG Nanostrukturierte Biomaterialien » Publications

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