ZGP (ZnGeP2) single crystal has large nonlinear coefficients (d36=75pm/V), wide infrared transparency range(0.75-12μm), high thermal conductivity(0.35W/(cm·K)), high laser damage threshold (2-5J/cm2)and well machining property, ZnGeP2 (ZGP crystal) was c
AGS is transparent from 0.53 to 12 µm. Although its nonlinear optical coefficient is the lowest among the mentioned infrared crystals, high short wavelength transparency edging at 550 nm is made use of in OPOs pumped by Nd:YAG laser; in numerous differenc
AGSe2 AgGaSe2(AgGa(1－x)InxSe2) crystals have band edges at 0.73 and 18 µm. Its useful transmission range (0.9–16 µm) and wide phase matching capability provide excellent potential for OPO applications when pumped by a variety of different lasers.
High-quality crystals of BGSe(BaGa4Se7), a newly developed IR nonlinear optical (NLO) material, were obtained via the Bridgman–Stockbarger technique. Superior performance to generate tunable coherent radiation up to18 μm pumped by the commercial 1μm lase
Gallium Selenide (GaSe) non-linear optical single crystal, combining a large non-linear coefficient, a high damage threshold and a wide transparency range. It is a is very suitable material for SHG in the mid-IR.
CdSe Laser systems with CdSe crystal have obvious advantage – much broader tuning range .
Lithium Triborate (LiB3O5 or LBO) is an excellent nonlinear optical crystal.It has broad transparency range from 160nm to 2600nm, and high optical homogeneity.Widely uesd in frequency doubling laser systems.
BiB3O6 (BIBO) is a newly developed nonlinear optical crystal. It possesses large effective nonlinear coefficient, high damage threshold and inertness with respect to moisture.
BBO is a new ultraviole frequency doubling crystal,has features of broad phase matchable range from 409.6 nm to 3500 nm;high damage threshold; is widely uesd in Nd:YAG lasers and tunable lasers etc.
Potassium Titanyle Arsenate (KTiOAsO4), or KTA crystal, is an excellent nonlinear optical crystal for Optical Parametric Oscillation (OPO) application.
Potassium Titanyl Phosphate (KTiOPO4 or KTP) is widely used in both commercial and military lasers including laboratory and medical systems, range-finders, lidar, optical communication and industrial systems.