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Article
Open AccessRoom temperature 90° phase-matching in zirconium and magnesium co-doped lithium niobate crystals
Laser has been widely used in many aspects, by now it is difficult to get each frequency that we want, and frequency conversion is an effective way to obtain different frequency laser through a nonlinear optic...
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Article
Open AccessHigh-fidelity spherical cholesteric liquid crystal Bragg reflectors generating unclonable patterns for secure authentication
Monodisperse cholesteric liquid crystal microspheres exhibit spherically symmetric Bragg reflection, generating, via photonic cross communication, dynamically tuneable multi-coloured patterns. These patterns, ...
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Article
Open AccessThe simultaneous enhancement of photorefraction and optical damage resistance in MgO and Bi2O3 co-doped LiNbO3 crystals
For a long time that optical damage was renamed as photorefraction, here we find that the optical damage resistance and photorefraction can be simultaneously enhanced in MgO and Bi2O3 co-doped LiNbO3 (LN:Bi,Mg). ...