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what's Y3Al5O12(YAG) garnet rods? where's Nd:YAG (neodymium doped yttrium aluminium) single crystal? how to buy Y3Al5O12(Yb:Er:Ce:Cr)YAG yttrium aluminium garnet or Ho:Cr:Tm:YAG laser?

DFNano® supplier of Y3Al5O12(Yb:Er:Ce:Cr)YAG yttrium aluminium garnet or Ho:Cr:Tm:YAG laser; manufacturer of Nd:YAG (neodymium doped yttrium aluminium garnet) single crystal in china.

we grow Nd, Er, Cr, Tm, Yb, Ho and no doped YAG crystals using the Czochralski technique. YAG crystal is the most commonly laser material for CW, pulsed, mode locked lasing and also widely used in all types of solid-state laser system, frequency-doubled continuous wave, high-energy Q switched, and cavity dumped modes of operation.

what is Y3Al5O12(YAG)?

Yttrium aluminium garnet (YAG, Y3Al5O12) is a synthetic crystalline material of the garnet group. YAG is commonly used as a host material in various solid-state lasers. Rare earth elements such as neodymium and erbium can be doped into YAG as active laser ions, yielding Nd:YAG and Er:YAG lasers, respectively. Cerium-doped YAG (YAG:Ce) is used as a phosphor in cathode ray tubes and white light-emitting diodes, and as a scintillator.

neodymium doped yttrium aluminum garnet (Nd:YAG) crystal

Nd:YAG (neodymium-doped yttrium aluminium garnet; Nd:Y3Al5O12) is a crystal that is used as a lasing medium for solid-state lasers. The dopant, triply ionized neodymium, typically replaces yttrium .

Nd:YAG (neodymium-doped yttrium aluminium garnet; Nd:Y3Al5O12) is a crystal that is used as a lasing medium for solid-state lasers. The dopant, triply ionized neodymium, typically replaces yttrium in the crystal structure of the yttrium aluminium garnet (YAG), since they are of similar size. Generally the crystalline host is doped with around 1% neodymium by atomic percent.

Nd:YAG absorbs mostly in the bands between 730–760 nm and 790–820 nm.At low current densities krypton flashlamps have higher output in those bands than do the more common xenon lamps, which produce more light at around 900 nm. The former are therefore more efficient for pumping Nd:YAG lasers. Specifications:

erbium doped yttrium aluminum garnet (Er:YAG) crystal

Er:YAG (Er:Y3Al5O12) combine various output wavelength with the superior thermal and optical properties of YAG. It is an excellent laser crystal which lasers at 2.94μm. This wavelength is the most readily absorbed into water and hydroxylapatite of all existing wavelengths and is considered a highly surface cutting laser. It is a well known material for medical applications.

Specifications of Nd:YVO4(neodymium doped yttrium orthovanadate crystal

Nd:Y3Al5O12 yttrium aluminium garnet or Nd:YAG laser
Diameter:3 ~ 14mm
Length(L):0.5~160mm
Orientation:<111> crystalline direction (+/-0.5℃)
Flatness:<λ/8 @ 633nm
Smooth Finish: 20/10
Parallelism:<30"
Perpendicularity:<10'
Wavefront Distortion< λ/8 @ 633nm
Clear Aperture:> 90%
Coating:According to customer request
Total 10Nd:Y3Al5O12 yttrium aluminium garnet or Nd:YAG

properties of Nd:Y3Al5O12 yttrium aluminium garnet or Nd:YAG laser crystal

Nd:Y3Al5O12 yttrium aluminium garnet or Nd:YAG laser
Lasing Wavelength 1064 nm
Stimulated Emission Cross Section 2.8x10-19 cm-2
Relaxation Time of Terminal Lasing Level 30 ns
Radiative Lifetime 550 ms
Spontaneous Fluorescence 230 ms
Loss Coefficient 0.003 cm-1@ 1064 nm
Effective Emission Cross Section 2.8 x 10-19cm2
Pump Wavelength 807.5 nm
Absorption band at pump wavelength 1 nm
Linewidth 0.6 nm
Polarized Emission Unpolarized
Thermal Birefringence High
Chemical Formula Nd:Y3A15O12
Crystal Structure Cubic
Lattice Constants 12.01Ä
Concentration ~ 1.2 x 1020 cm-3
Melting Point 1970 °C
Density 4.56 g/cm3
Mohs Hardness 8.5
Refractive Index 1.82
Thermal Expansion Coefficient 7.8 x 10-6 /K [111], 0 - 250 °C
Thermal Conductivity 14 W/m /K @20 °C, 10.5 W /m /K @100 °C.
Total 22 Nd:Y3Al5O12 yttrium aluminium garnet or Nd:YAG laser
Ho:Cr:Tm:YAGis a high efficient laser material which lases at 2.1 µm. It has wide applications in surgery, dentistry, atmospheric testing, etc.

In double doped Nd:Ce:YAG crystals Cerium are chosen as sensitizer for Nd3+ ions because of its strong absorption in UV spectral region at flash lamp pumping and efficient energy transfer to the Nd3+ excited state. As a result - thermal distortion in Nd: Ce:YAG is appreciably less and the output laser energy is greater than that in Nd:YAG at the same pumping. Therefore it is possible to realize high power lasers with good beam quality. Lasing wavelength at 1064 nm, laser damage threshold and thermal conductivity of the Nd: Ce:YAG crystals are the same as for Nd:YAG.

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