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Bonding Crystal

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Diffusion Bonding Crystal

http://www.sjllaser.com/upfile/2012022011110919942.jpg

Contents

These Diffusion Bonded composite crystals are used to effectively decrease heat effect of Solid-State High-
Power Laser.
● High damage threshold
● Improve beam quality
● Decrease thermal effect
● Improve efficiency
● Compact size

Composite laser rod is a crystal consisting of two,three or more parts with different dopant level.Usually,doped
and undoped material used.
Dopant level and rod configuration can vary as well as the number of parts.It can have different wedged structure
,Brewster angles,etc.
YAG+Nd:YAG+YAG
Cr4+:YAG+Nd:YAG
YVO4+Nd:YVO4
YVO4+Nd: YVO4+YVO4

Nd:YAG Doping................................................0.4-1.1%
Nd:YVO4 Doping.................................................atm0.2-3%
Diameter Tolerance..................................................+0,-0.025mm
Length Tolerance.....................................................+/-0.5mm
Parallelism....................................................<10 arc seconds
Perpendicularity.............................................................<5 arc minutes
Chamfer........................................................0.13±0.08mm at 45°
Barrel Finish...........................................................50-80 micro-inc(RMS)
Wavefront Distortion........................................................<λ/10 per inch @632.8nm
Surface Flatness......................................................<λ/10 @632.8nm
Surface Quality.........................................................10/5
Clear Aperture.............................................................>95%
Intrinsic Loss.......................................................<0.1%cm-1


[←]Udoped YAG [→]Er:Glass
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