Four UV Transparent Linear and Nonlinear Optical Materials Explored from Pure Selenite Compounds
Optical materials
DOI:
10.1002/adom.202301426
Publication Date:
2023-09-01T14:18:05Z
AUTHORS (6)
ABSTRACT
Abstract UV nonlinear optical materials require the simultaneous achievement of a large second harmonic generation (SHG) coefficient (≥1 × KH 2 PO 4 (KDP), d ij > 0.39 pmV −1 ), wide bandgap ( λ < 300 nm, E g 4.2 eV), and moderate birefringence (0.05‐0.10@1064 nm) in single structure. Therefore, designing with excellent comprehensive performance is challenging task. Herein, four transparent selenite are successfully obtained, namely, Al (SeO 3 ) (H O) (1), Ga (2), NaGa (HSeO 6 (3), Cd 5 10 (4), through rational design screening pure system. (1) (2) balanced properties, exhibiting SHG responses (1.2 1.1 KDP), appropriate (0.084 0.076@1064 nm), bandgaps (5.5 5.3 eV). Such largest reported (NLO) materials. This work further demonstrates that good candidate for NLO
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