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  • Diffusion Bonding Laser Crystals
  • Diffusion Bonding Laser Crystals

Diffusion Bonding Laser Crystals

  • Decrease thermal lens effect
  • Improve efficiency and damage threshold
  • Compact size and better beam quality

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Damage ≤ 3.0 × 10-3 cm-1 Flatness < λ/10
Parallelism ≤ 10" Perpendicularity ≤ 5’
Surface Quality 10/5 (MIL-O-13830A) Optical Quality Interference fringes ≤ 0.125/inch
Size Diameter: 2~18 mm,
Length 3~200 mm
Dimensional Tolerances Diameter:+0.000/-0.05mm, Length ± 0.5mm
Chamfer:<0.1 mm @ 45º
Coating Upon request of customer

Modules or Types:

Following diffusion bonding crystals are available in Hangzhou Shalom EO:

Bonding Crystals Types Doping Concentration(atm) or Optical Density (cm-1) Aperture (mm) Length (mm)
YAG+Nd :YAG Nd:0.6~1.2% 2×2~20×20 2~200
YAG+Cr4+ :YAG 0.6~7 2×2~20×20 2~50
Nd :YAG + Cr4+:YAG Nd:0.6~1.2% / 0.6~7 2×2~20×20 2~200
YAG+Nd :YAG+YAG Nd:0.6~1.2% 2×2~20×20 3~200
YAG+Nd:YAG+Cr4+:YAG Nd:0.6~1.2% / 0.6~7 2×2~20×20 3~200
YAG+Nd:YAG+Cr4+:YAG+YAG Nd:0.6~1.2% / 0.6~7 2×2~20×20 5~200
Cr:YAG+Nd:Ce:YAG  0.6-7/Nd:0.9~1.3% Ce:Nd=1:10 2x2~10x10 5~130
YAG+Cr4+:YAG+Nd:Ce:YAG+YAG 0.6~7/Nd:0.9~1.3%, Ce:Nd=1:10 2×2~10×10 5~130
YVO4+Nd:YVO4+YVO4 Nd:0.1~3% 2x2~10x10 1~20
YVO4+Nd:YVO4+YVO4 Nd:0.1~3% Dia2~10 3~20


Some diffusion bonding rods modules example as reference:

Diffusion Crystals Modules Diffusion Bonding Types Descriptions
SHYAG-B-D6.35x105-T20 Nd:YAG+Cr:YAG Nd:YAG D6.35x105mm; HR1064nm
Cr:YAG T0=20%; PR=40%
SHYAG-B-D3x50-T40 Nd:Ce:YAG+Cr:YAG Nd:YAG D3x50mm; HR1064nm
Cr:YAG T0=40%; PR=40%
SHYAG-B-D3x10-T40 Nd:YAG+Cr:YAG Nd:YAG D3x7.5mm; HR1064nm
Cr:YAG T0=40%; PR=40%
SHYAG-B-D3x10-T45 YAG+Nd:YAG+Cr:YAG YAG D3x0.7mm; HR1064nm;
Nd:YAG D3x7.3mm;
Cr:YAG T0=45; PR=45%

Diffusion Bonding Crystals are crystals consisting of two, three or more parts with different types, Bonding Crystals are often used to decrease thermal lens effect, that is conducive to the stability of lasers and high-power laser operation. This bonding technology in laser applications can not only greatly improve the laser performance and beam quality, but also conducive to the integration of laser systems and access to large-size crystal.