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Er:YAG

300.001,550.00

Highly doped (50%) Erbium YAG is a well-known laser crystal emitting radiation at 2940nm, commonly used in medical applications due to strong water and hydroxapatite absorption.

Low doped (< 1%) Erbium YAG crystals are used to generate high power and high energy 1.6 micron „eye-safe“ emission.

 

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  50% Er:YAG Low Doped (0.1% – 1.0%) Er:YAG
Emission Wavelength 2.94 μm 1.6 μm
Laser Transition 4I11/2 → 4I13/2 4I13/2 → 4I15/2
Flouresence Lifetime 230 μs 2+-5 ms
Pump Wavelength 600-800 nm 1.5 μm

 

Diameter Tolerance +- 0.05 mm
Crystal Orientation <111> within 5°
Length Tolerance ± 0.2 mm
Perpendiculairity of End Faces (plano/plano) 5 arc-minutes
Parallelism of End Faces (plano/plano) 10 arc-seconds
Flatness 0.1 wave maximum
(plano/plano) over 90% of aperture
Surface Finish at 5X 20-10 (scratch & dig)
Barrel Finish 400 grit
End Face Bevel 0.075 mm to 0.12 mm at 45° angle
Coefficient of Thermal Expansion 6.14 x 10-6 K-1
Thermal Diffusivity 0.041 cm2 s-2
Thermal Conductivity 11.2 W m-1 K-1
Specific Heat (Cp) 0.59 J g-1 K-1
Thermal Shock Resistant 800 W m-1
Refractive Index @ 632.8 nm 1.83
dn/dT (Thermal Coefficient of Refractive Index) @ 1064nm 7.8 10-6 K-1
Molecular Weight 593.7 g mol-1
Melting Point 1965°C
Density 4.56 g cm-3
MOHS Hardness 8.25
Young’s Modulus 335 Gpa
Tensile Strength 2 Gpa
Crystal Structure Cubic
Standard Orientation <111>
Y3+ Site Symmetry 8D2
Lattice Constant a=12.013 Å
SKU: N/A Categories: ,

SKUDoping %CutCoatingDimensions mmPriceQuantityAdd to Cart
Er:YAG - 148750111AR 2940DIA 5 x 1001,550.00
Er:YAG - 148850111AR 2940DIA 5 x 10660.00
Er:YAG - 148950111AR 29403 x 3 x 3300.00
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