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Er: YAG

●Very high slope efficiency
● Operates well at room temperature
● Operate in a relatively eye-safe wavelength range

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Er: YAG combines various output wavelengths with the superior thermal and optical properties of YAG. It is an excellent 2.94μm laser crystal and a well-known material for medical applications.

Chemical Formula,Crystal:Activator

Y3Al5O12:Er3+

Activator Concentrations

Er3+:~50at%

Growth Direction of Crystal

[111] or [100]

Wavefront Distortion

λ/8 per inch @632.8nm

Extinction Ratio

≥25dB

Dimensions

Diameter:2~50mm,Length:5~180mm

Tolerances

Diameter±0.02mm, Length±0.2mm

Barrel Surface

Fine ground, Polished or Grooved

Parallelism

≤10″

Perpendicularity

≤5′

Surface Flatness

λ/10 per inch @632.8nm

Surface Quality

10-5(MIL-PRF-13830B)

Chamfer

0.1mm@45°

Anti-Reflection Coating

R<0.20%@2940nm per surface

Damage Threshold

>500MW/cm²

Note: Parameters above can be customized as required.


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