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Er:YAG Crystal

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Er:YAG Crystal

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Er:YAG Crystal-Er:Y3Al5O12

Er:YAG laser is an excellent laser crystal which lasers at 2.94μm



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.


Dopant concentration, at.%

up to 50 at%


<111>within 5°


< λ/10 measured at 633 nm

Parallelism :

≤ 30"

Perpendicularity :

≤ 5 ′

Optical Quality:

Interference fringes ≤ 0.125 λ /inch(@1064nm)
Extinction ration ≥ 25dB

Dimensional tolerances:

Length: ± 0.05"
Chamfer: 0.07+0.005/-0.00 " at 45°

AR Coating Reflectivity :

≤ 0.2% (@2940nm)

Additional Information

Additional Information

SKU RAY-Er:Y3Al5O12-155
Part Number
Fiber optic communication
Country of Manufacture
Manufacture Rayscience
Conditions No
Lead Time 2 weeks
Export Terms No

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