Lasercrystals are used to generate laser radiations.The commonly used laser crystals include Nd:YAG,Nd:YVO4 and Nd:YLF for near IR lasers, and Ti:Sapphirefor tunable near IR output. Specifically, Nd:YVO4,for
diode pumped solid state lasers were developedbecause diode pumping attracts more and more interestof both R&D and OEM customers.
A piezoelectric transduceris bonded to an anisotropic medium. When an electricalsignal is applied to this transducer to generateultrasonic
waves which are propagated through themedium, a three dimensional
grating was formed byvirtue of refractive index variation associatedwith
the traveling acoustic wave. The incident beampassing through the
medium will be coupled intoseveral symmetrical diffraction orders, just
asin a two-dimensional diffraction grating.
There are two kinds of E-O modulations. One is longitudinalE-O
modulation if the directions of electric fieldand light propagation are the
same. The KDP isomorphiccrystals are normally used in this scheme.
If thedirections of electric field and light propagationare perpendicular,
it is called transverse E-O modulation.The LiNbO3, MgO:LiNbO3,
ZnO:LiNbO3, BBO and KTPcrystals are usually employed in this
LiNbO3 | LiNbO3 Wafer | TeO2 | PbMoO4 | LiTaO3
Optical crystals &glass, such as Quartz, YVO4, Calcite, a-BBO,
LiNbO3,Undoped YAG, Sapphire, Spinel, CaF2, MgF2, Ge, Si,GaAs,
BaF2, LiF, Quartz, BK7, ZnSe, ZnS, UV GradeFused Silica, etc. are
widely used in IR opticsand UV optics. Laser Century manufactures high transparencyand low loss optical windows, prisms, lenses, achromaticlenses and parallel planes by these optical materials.
BBO phase matches over a wide spectral range, yielding SHG, 3rd, 4th and 5th generation from 190 up to 1780 nm.
OPOs and OPAs based on BBO crystals are powerful tools for generating a widely tunable coherent radiation from the UV to IR.
It may be used for SLAB cavity or multi-channels modulations. Due to the unique design, higher average power density can be allowed, as well as elliptical beam or two round beams.
RTP (Rubidium Titanyl Phosphate) is a robust electro‐optic crystal suitable for a wide variety of applications (such as Q‐Switches, Amplitude & Phase Modulators, Pulse Pickers, etc.) and operation in industrial, medical, and defense products.