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Neodymium-Doped Yttrium Aluminium Garnet (Nd: YAG) Laser Crystal

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Neodymium-Doped Yttrium Aluminium Garnet (Nd: YAG) Laser Crystal
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Wafer (slice / substrate), boule and crystal form
10pc, 100pc, 1000pc
ALB Materials Inc

Nd: YAG Wafers, Nd: YAG Substrate, Nd: YAG Slice, Neodymium-Doped Yttrium Aluminium Garnet Wafers, Neodymium-Doped Yttrium Aluminium Garnet Substrate, Neodymium-Doped Yttrium Aluminium Garnet Slice

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Related Products:
Neodymium Products,Yttrium Products,Aluminum Products

Neodymium-Doped Yttrium Aluminium Garnet (Nd: YAG) Crystal | Laser Crystal Material

Nd:YAG crystal is the most early and mature laser material adopted by R&D, medical, industrial and military customers. It is the ubiquitous presence for near-infrared solid-state lasers and their frequency-doubler, tripler, and higher order multiplier.

Advantages of Nd:YAG Crystal:

High Gain, High Efficiency, Low Threshold
High Optical Quality and low Loss at 1064nm
Good Mechanical and Thermal Properties
Easy to operate with TEM00 mode(Q-Switch, pulsed, CW)

Main Properties of Nd:YAG Crystal:

Chemical Formula Nd:Y3Al5O12
Crystal Structure Cubic Garnet
Dopant Level 0.6~1.3 atm%
Melting Point 1970ºC
Density 4.56 g/cm3
Mohs Hardness 8.5
Refractive Index 1.82@1064nm
Thermal Expansion Coefficient 7.8x10-6/K [111], 0-250ºC
Thermal Conductivity 14W/m/K @20ºC, 10.5W/m/K @100ºC
Loss Coefficient 0.003cm-1@1064nm
Lasing Wavelength 1064nm
Pump Wavelength 807.5nm
Refraction Time of Terminal Lasing Level 30ns
Radiative Lifetime 550µs
Fluorescence Lifetime 230µs
Effective Emission Cross Section 2.8x10-19cm2
Polarized Emission Unpolarized
Thermal Birefringence High

Specifications of Nd:YAG

Flatness <λ/10@632.8nm
Paralellism ≤10''
Perpendicularity ≤5'
Surface Quality 10-5 S/D
Optical Quality Interference fringes<0.125/inch
Extinction ration Ø3~Ø6.35>28dB, Ø7~ Ø10>25dB
Dimensional Tolerance Rod: Dia+/-0.1mm, L+/-0.25mm
Slab: +/-0.1mm
AR-coating  R<0.2%(@1064nm)
HR-Coating Reflectivity R>99.8%@1064nm and T>95%@808nm
Other HR Coatings HR@1064/532nm, HR@946nm, HR@1319nm
and other wavelengths are also available
Damage Threshold ≥500MW/cm ²

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