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 …

Borate is a kind of wide-bandgap semiconducting material with rich structure and variety,
which is usually used in optical properties research. Its unique crystal structure has essential …

A laser frequency comb is a broad spectrum composed of equidistant narrow lines. Initially
invented for frequency metrology, such combs enable new approaches to spectroscopy over …

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 …

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 …

Nonlinear optical materials are essential for the development of solid-state lasers.
KBe2BO3F2 (KBBF) is a unique nonlinear optical material for generation of deep-ultraviolet …

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 …

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 …

The development of new nonlinear optical (NLO) materials for deep‐ultraviolet (DUV)
applications is in great demand. However, the synthesis of an ideal DUV NLO crystal is a …