Transversely graded polarization volume gratings fabricated by freeform holographic photoalignment
Polarization volume gratings (PVGs) based on chiral nematic liquid crystals offer a great potential as polarization-dependent holographic optical elements, but it is not easy to fabricate PVGs with varying pattern periods in the transverse plane. Here, we fabricate a PVG with an in-plane gradient of the pattern period by performing two-beam interference photoalignment on a flexible polyimide substrate. The pattern period varies depending on the local interference angle, which is controlled by the bent shape of the flexible substrate. We demonstrate fabrication of a PVG with a linearly graded sub-micrometer period, showing the potential of the proposed method to fabricate designer PVGs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 2023 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:49 |
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| Enthalten in: |
Optics letters - 49(2023), 1 vom: 01. Jan., Seite 121-124 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yoshida, Hiroyuki [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 22.12.2023 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1364/OL.506271 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM366248332 |
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| 100 | 1 | |a Yoshida, Hiroyuki |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Transversely graded polarization volume gratings fabricated by freeform holographic photoalignment |
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| 500 | |a Date Revised 22.12.2023 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Polarization volume gratings (PVGs) based on chiral nematic liquid crystals offer a great potential as polarization-dependent holographic optical elements, but it is not easy to fabricate PVGs with varying pattern periods in the transverse plane. Here, we fabricate a PVG with an in-plane gradient of the pattern period by performing two-beam interference photoalignment on a flexible polyimide substrate. The pattern period varies depending on the local interference angle, which is controlled by the bent shape of the flexible substrate. We demonstrate fabrication of a PVG with a linearly graded sub-micrometer period, showing the potential of the proposed method to fabricate designer PVGs | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Abe, Yudai |e verfasserin |4 aut | |
| 700 | 1 | |a Igeta, Koichi |e verfasserin |4 aut | |
| 700 | 1 | |a Higuchi, Ayaka |e verfasserin |4 aut | |
| 700 | 1 | |a Kobashi, Junji |e verfasserin |4 aut | |
| 700 | 1 | |a Tomioka, Yasushi |e verfasserin |4 aut | |
| 700 | 1 | |a Oka, Shinichiro |e verfasserin |4 aut | |
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| 773 | 1 | 8 | |g volume:49 |g year:2023 |g number:1 |g day:01 |g month:01 |g pages:121-124 |
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