Birefringence is one of key performance for optical functional crystals owing to their
indispensable role in angle phase-matching or adjusting the polarization of light. In the past …

We define the anisotropic structure building unit that encompasses diverse chemical bonds
(ABUCB). The ABUCB is highly likely to cause anisotropy in both crystallographic structure …

Discovery of new efficient nonlinear optical (NLO) materials with large second‐order
nonlinearity for the short‐wave ultraviolet spectral region (λPM≤ 266 nm, PM= phase …

Sb3+ with stereochemically active lone pair 5 s 2 electrons is overwhelming in the doping
engineering of the luminescent metal halides, and it usually leads to extrinsic self-trapped …

Borophosphates are very known for the short ultraviolet (UV) cutoff edge and have become
the promising UV and deep-UV functional crystals candidates; however, tetrahedral [PO4] …

Polarization modulation of deep‐UV light is of significance to current technologies, and to
this end, the birefringent crystal has emerged as an invaluable material as it allows for …

Deep-ultraviolet (DUV) nonlinear optical (NLO) crystals that can extend the output range of
coherent light below 200 nm are pivotal materials for solid-state lasers. To date, KBe2BO3F2 …

Conspectus Second-order nonlinear optical (NLO) materials, producing coherent light by the
cascaded frequency conversion, are current hot topics in material chemistry and optics, as …

Abstract Ultraviolet (UV) and Deep‐UV (DUV, λ< 200 nm) nonlinear optical (NLO) materials
play a significant role to convert the wavelength of laser for producing UV/DUV coherent …

Metal-free borates have emerged as a new class of solid-state chemistry and related
crystalline materials with high performance. However, the discovery of metal-free borate …