14 Sep 2010 Diffusion Bonded Crystals consist of one laser crystal and one or two undoped material. They are combined by optical contact method and further bonded under high temperature. Diffusion Bonded Crystal helps to decrease thermal lensing effect considerably .
Lasertec can supply 2 kinds of Diffusion Bonded Crystals: YVO4+Nd:YVO4+YVO4 and YAG+ Nd:YAG+YAG
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
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