Search: id:"swepub:oai:DiVA.org:kth-345883" >
High-contrast coerc...
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Barrett, LauraKTH,Laserfysik
(author)
High-contrast coercive field engineering for periodic poling of RbKTiOPO4 with Ba2+/K+ ion-exchange
- Article/chapterEnglish2024
Publisher, publication year, extent ...
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Optica Publishing Group,2024
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printrdacarrier
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LIBRIS-ID:oai:DiVA.org:kth-345883
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-345883URI
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https://doi.org/10.1364/OE.513734DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20240429
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We investigate a new method of coercive field engineering for periodic poling of RbKTiOPO4 (RKTP). By ion exchanging RKTP in a molten salt containing 7 mol% Ba(NO3)2 and 93 mol% KNO3 we achieve more than an order of magnitude difference in polarization switching time between the exchanged and non-exchanged regions. This method is used to fabricate periodic gratings of 2.92 µm in 1 mm thick bulk RKTP for second harmonic generation at 779 nm with a normalized conversion efficiency of 2%/Wcm. We show that the poled domain structures are stable at 300 °C, and that there is no bulk refractive index modification associated with the periodic ion exchange.
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Lee, Cherrie,1992-KTH,Biomedicinsk fysik och röntgenfysik(Swepub:kth)u19az36q
(author)
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Zukauskas, AndriusKTH,Laserfysik(Swepub:kth)u12rbqei
(author)
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Laurell, Fredrik,professor,1957-KTH,Laserfysik(Swepub:kth)u1z0sdyv
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Canalias, CarlotaKTH,Biomedicinsk fysik och röntgenfysik(Swepub:kth)u1gtitq9
(author)
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KTHLaserfysik
(creator_code:org_t)
Related titles
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In:Optics Express: Optica Publishing Group32:8, s. 14252-142601094-4087
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