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Diffusion Bonding Crystal


CLaser supply various diffusion bonded composite crystals, which 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.

Standard Specification:
Nd:YVO4 Doping atm 0.2-3%
Nd:YAG Doping 0.5-1.1%
Wavefront Distortion < l /8 at 633 nm
Orientation ±0.5deg
Dimensional Tolerance ± 0.1mm
Surface quality 10/5 Scratch/Dig per MIL-O-13830B
Flatness l /10 at 633 nm
Clear Aperture > Central 90%
Parallelism < 10 arc sec.
Intrinsic Loss < 0.1% cm -1
Coating: AR or HR coating