Er:GGG

Er:GGG
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CRYLINK erbium-doped GGG crystal products, also known as Er: GGG crystal. It is a kind of laser crystal product with excellent comprehensive performance. It is widely used in photoelectric countermeasures, laser radar, and environmental monitoring. The product has the characteristics of high quantum efficiency, good high-temperature resistance, and high thermal conductivity. It can be used in microchips, mid-infrared OPO lasers, radar, and environmental monitoring instrument products.

  • The human eye is safe
  • High quantum efficiency
  • High thermal conductivity
  • Durable mechanical stress
  • High temperature resistance

Basic Parameters

Chemical FormulaEr:Gd3Ga5O12
Crystal StructureCubic
Lattice Constant12.38 Å
Crystal GrowthCzochralski
Pump Wavelength968nm
Refractive Index1.935@2.7μm
FWHM0.42nm
Central Peak Wavelength2704nm
Laser Wavelength2821nm
Pumped Threshold7mW
Conversion Efficiency20.5%
Maximum Output Efficiency155mW
Ion Density7.81×1021ions/cm3
Absorption Cross Section1.03×10-20cm2 @965nm
Emission Cross Section7.24×10-19cm2 @2.7μm
Er3+：4I11/2Life1.06ms
Er3+：4I13/2Life8.77ms

Spectrum

Er：GGG-laser-crystal-spectrum-crylinkEr：GGG-laser-crystal-absorption-curve-crylink

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