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Diffusion Bonding YAG and YVO4 Crystal

WISOPTIC Capabilities - Diffusion Bonded Crystal
• Various options of dopants and doping ratio
• Various sizes and cuttings (<100>, <110>, <111>)
• Various options of coatings (AR, HR, HT, PR)
• High processing accuracy
• Very competitive price, quick delivery

• Customized design (crystal/endcap size, Nd doping)

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Product Details

Diffusion Bonded Crystal (DBC) is a crystalline solid used in photo optic applications. It consists of two, three or more parts of crystals with different dopants or same dopant with different doping levels. This material is commonly made by bonding one laser crystal with one or two undoped crystals by precise optical contact and further processing under high temperature. This innovative scheme substantially reduces thermal lens effect of the laser crystals, that is conducive to the stability of lasers and high-power laser operation.

The most popular combination includes Nd³⁺:YAG as the laser medium and Cr⁴⁺:YAG as the passive Q-switch. Most of the diffusion bonded laser crystals like Nd³⁺:YAG + Cr⁴⁺:YAG, Yb³⁺:YAG + Cr⁴⁺:YAG, Nd³⁺:YAG + V³⁺:YAG, Er³⁺:YAG + YAG, Nd³⁺:YVO4 + YVO4 are available from stock or with customer’s specifications with AR, PR or HR coatings.

WISOPTIC - Standard Bonded Crystal

Material	Doping Ratio	Aperture	Length
YVO₄ + Nd:YVO₄ + YVO₄	Nd%=0.1%~3.0 atm%	Ø2~15 mm²	0.5~30 mm
YAG + Nd:YAG + YAG	Nd%=0.1%~1.3 atm%	Ø2~15 mm²	0.5~200 mm
YAG + Nd:YAG + Cr⁴⁺:YAG	Nd%=0.1%~1.3 atm% Cr⁴⁺%=0.5%~3.0 atm%	Ø2~15 mm²	0.5~200 mm
Nd:YAG + Cr⁴⁺:YAG	Nd%=0.1%~1.3 atm% Cr⁴⁺%=0.5%~3.0 atm%	Ø2~15 mm²	0.5~200 mm

Nd:YAG Doping	0.4-1.1%
Intrinsic Loss	0.1% cm^-1
Scattering Sites	invisible, probed with a He-Ne laser
Diameter Tolerance	+0/-0.02mm
Length Tolerance	+0.5/-0mm
Surface Quality	10/5
Clear Aperture	>95%
Surface Flatness	<λ/10@632.8nm
Wavefront Distortion	<λ/10@632.8nm per inch
Parallelism	<10 arc seconds
Perpendicularity	<5 arc minutes
Chamfer	0.1mm@45°
Barrel Finish	ground finish with 400# Grit