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 …

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 …

Phase-matching of light waves is a critical condition for maximizing the efficiency of
nonlinear frequency conversion processes in nonlinear optical crystals; however, phase …

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 …

Infrared nonlinear optical (IR-NLO) crystals as a crucial part in all-solid-state lasers to
generate coherent tunable laser beam in the IR range, an important spectral interval for …

The [B3O6] group as a prime functional unit provides borates with intrinsic properties that
are modified by coordination to cations. Inherent [B3O6] cluster structures in borates …

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 …

Second-order infrared nonlinear optical (IR-NLO) crystals are of great scientific and
technological significance because of the ability to produce coherent tunable laser …

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 …

The developments of new infrared nonlinear optical (IR-NLO) crystals with excellent
comprehensive performance are urgently needed owing to the current commercially …