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Second‐Harmonic Generation Enhancement in Polar Dielectric Films via Nonlocal Longitudinal Modes and Berreman Modes

open access: yesNanophotonics, Volume 15, Issue 18, 25 September 2026.
Nonlocal longitudinal resonances in ultrathin AlN enable thickness‐controlled harmonic matching between a resonance at the fundamental frequency and the Berreman resonance at the second‐harmonic frequency. The resulting simultaneous field enhancement at both frequencies substantially amplifies the predicted second‐harmonic response, revealing a double ...
Yining Yao   +5 more
wiley   +1 more source

Exploring the Dietary Patterns and Health Behaviours of Centenarians in Ourense (Spain): Adherence to the Southern European Atlantic Diet. [PDF]

open access: yesNutrients
García-Vivanco P   +11 more
europepmc   +1 more source

John Tyndall's religion: a fragment. [PDF]

open access: yesNotes Rec R Soc Lond, 2015
Cantor G.
europepmc   +1 more source

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