Er: YAG Laser Crystal with High-Power and Low-Threshold

• Customization: Available
• After-sales Service: 12 Months
• Warranty: 12 Months
• Standard Component: Standard Component
• Type: Laser Crystals
• Doping Concentration: 50 at%
• Laser Wavelength: 2940 Nm
• Refractive Index: 1.79 at 2940 Nm
• Transport Package: Carton
• Origin: China

Product Description

Laser crystal Er:YAG
Erbium Doped Yttrium Aluminum Garnet  (Er:YAG) is an excellent laser crystal which lases at 2940 nm. This band is at the hydroxyl absorption peak which can be strongly absorbed by biological tissues. So it widely applies to medical area, such as dental (hard tissues), orthopedics, etc.
 

Technical Specifications	Details
Doping Concentration	50 at%
Crystal Orientation	<111>±5°
Transmitted Wavefront Distortion	≤ 0.125λ per inch
Extinction Ratio	≥ 25 dB
Product Dimensions	Diameter ≤ 15 mm, Length ≤ 150 mm
Dimensional Tolerances	Diameter: 0:0/-0.03 mm, Length: 0/+0.5 mm
Cylindrical Surface Processing	Precision ground, polished, threaded
Endface Parallelism	≤ 10 arcseconds
Endface Perpendicularity to Rod Axis	≤ 5 arcminutes
Endface Flatness	λ/10 at 632.8 nm
Surface Quality	10/5 (MIL-0-13830A)
Chamfering	0.15 ± 0.05 mm
Coating	S1/S2: R ≤ 0.25% at 2940 nm
	S1: PR = 88% ± 3% at 2940 nm; S2: HR ≥ 99.8% at 2940 nm
	Other coatings customizable
Laser Damage Threshold of Coating	≥ 5 J/cm² at 10 ns, 10 Hz
Laser Wavelength	2940 nm
Refractive Index	1.79 at 2940 nm
Special Features	Wedge angles, concave/convex surfaces, thermal gold plating, etc.