Formation of diffraction gratings in optically patternable hydrogel films

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Abstract: Local light‐induced material response forms the basis for volume holographic patterning of light‐responsive materials. This enables applications as multifunctional biomedical materials capable of integrating optical functions, such as for advanced intraocular lens (IOL) implants. Therefore, hydrogel films based on 8‐arm PEG and azobenzene‐functionalized acrylates are prepared. A local change in optical properties is induced by UV exposure: a decrease in refractive index is detected by ellipsometric examination. One‐dimensional diffractive surface gratings, generated using a photomask, show optical functionality and are visualized in the atomic force microscope. The results show that a local change in optical properties can be induced in functionalized hydrogel films by photochemical crosslinking, making them suitable for volume holographic patterning.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Formation of diffraction gratings in optically patternable hydrogel films ; day:28 ; month:09 ; year:2022 ; extent:5
Nano select ; (28.09.2022) (gesamt 5)

Creator: Sabel‐Grau, Tina
Zhang, Zhenfang
Rahman, Rahima
Lensen, Marga C.

DOI: 10.1002/nano.202200154

URN: urn:nbn:de:101:1-2022092915012586373107

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 16.10.2025, 12:46 AM CEST

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Sabel‐Grau, Tina
Zhang, Zhenfang
Rahman, Rahima
Lensen, Marga C.

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Optically Tunable Gratings Based on Coherent Population Oscillation

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Formation of diffraction gratings in optically patternable hydrogel films

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Other Objects (12)

Formation of diffraction gratings in optically patternable hydrogel films

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Nanopillar Diffraction Gratings by Two-Photon Lithography

Large‐Scale Multiplexed Azopolymer Gratings with Engineered Diffraction Behavior

Multilayer porous silicon diffraction gratings operating in the infrared

Diffraction of metastable rare gas atoms from nanostructured transmission gratings

Submicron Embedded Air/GaN Diffraction Gratings for Photonic Applications

Switchable unidirectional emissions from hydrogel gratings with integrated carbon quantum dots

Ultrafast electron diffraction studies of optically excited thin bismuth films

Ion beam synthesis of nanothermochromic diffraction gratings with giant switching contrast at telecom wavelengths

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2D Gauss Diffraction Gratings

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Large‐Scale Multiplexed Azopolymer Gratings with Engineered Diffraction Behavior

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Large‐Scale Multiplexed Azopolymer Gratings with Engineered Diffraction Behavior

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