The primary goal of this review is to present a clear chemical perspective of borates in order
to stimulate and facilitate the discovery of new borate-based optical materials. These …

Deep-ultraviolet (DUV, wavelength λ< 200 nm) nonlinear optical (NLO) crystal is the core
component of frequency conversion to generate DUV laser, which plays an important role in …

Deep-ultraviolet nonlinear optical (DUV NLO) crystals are indispensable for solid-state
lasers to produce coherent light with wavelengths shorter than 200 nm, yet their structure …

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 …

Fluorooxoborates, benefiting from the large optical band gap, high anisotropy, and ever‐
greater possibility to form non‐centrosymmetric structures activated by the large polarization …

The discovery of new nonlinear optical (NLO) materials for coherent light generation in the
deep‐ultraviolet (DUV, wavelength below 200 nm) region is essential for the development of …

Deep‐ultraviolet nonlinear optical (DUV NLO) crystals are the key materials to extend the
output range of solid‐state lasers to below 200 nm. The only practical material KBe2BO3F2 …

Nonlinear optical (NLO) materials are the vital components of future photoelectric
technologies as they can broaden the tunable wavelength range supplied by common laser …

Deep ultraviolet (absorption edge< 200 nm, band gap> 6.2 eV) nonlinear optical (NLO)
materials are of current interest owing to their technological applications and materials …

Advances in the generation of coherent lasers at wavelengths below 200 nm as well as the
associated equipment and technologies have greatly spurred the development of nonlinear …