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Ho YAG Laser Crystals Iso9001 Certified

Categories Laser Crystals
Place of Origin: China
Brand Name: CRYLINK
Certification: Iso9001
MOQ: 1 Pieces
Price: negotiation
Packaging Details: Carton
Delivery Time: 3-4 weeks
Payment Terms: TT
Supply Ability: 100 pieces /month
Model Number: CRYLINK- Ho YAG Laser Crystal
Materials: Ho: YAG
Concentration Tolerance (atm%): 0.2% ~3%(as per customers request)
Orientation: <111>crystalline direction
Parallelism: <10”
Perpendicularity: <5”
Surface Quality: 10/5 Scratch/dig per MIL-O-1380A
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Ho YAG Laser Crystals Iso9001 Certified

Ho:YAG

The radiation wavelength of Ho3+ ions is near 2100nm, which is located in the human eye safe band and has a high transmittance in the atmosphere, and has important application prospect in the fields of remote sensing detection, laser ranging and laser radar, etc.. Meanwhile, 2100nm locates in the absorption peak of water molecule, which is highly absorbed by human tissues. When Ho laser is used for medical surgery, its penetration depth in the human body is only a few tens of micrometers, and it has little heat damage to the surrounding tissues of the human body. Therefore, it is widely used in medical surgery and treatment. Ho laser can also be used as pump source, through the non-linear effect of crystal (such as ZGP crystal), infrared laser with wavelength of 3 ~ 5 mm can be realized.

Parameter

Material and Specifications
MaterialsHo: YAG
Concentration Tolerance (atm%)0.2% ~3%(as per customers request)
Orientation<111>crystalline direction
Parallelism<10”
Perpendicularity<5”
Surface Quality10/5 Scratch/dig per MIL-O-1380A
Wavefront Distortion/8per inch @633nm
Surface Flatness/10@ 633 nm
Clear Aperture>90
Thickness/Diameter ToleranceRods with diameter:(+0,-0.05)mm,( ±0.5) mm

Physical and Chemical Properties

Crystal StructureCubic
Lattice Constants12.01
Density4.56g/cm3
Melting Point1970°C
Thermal Conductivity14W/m/K, 20°C; 10.5W/m/K, 100°C
Thermal Shock Resistance790W/m
Thermal Optical Coefficient(dn/dT)7.3×10-6/ K
Thermal Expansion /(10-6K-1@25°C )[100]:8.2×10-6/K@ 0~250℃; [110]:7.7×10-6/K@0~250℃;
[111]: 7.8×10-6/K@0~250℃
Hardness (Mohs)8.5
Young`s Modulus /GPa3.17×104Kg/mm2
Shear Modulus /Gpa310GPa
Extinction Ratio>28dB
Specific Heat0.59J/g.cm3@0-20℃
SolubilityInsoluble in water, slightly soluble in ordinary acids
Poisson Ratio0.3

Optical and Spectral Properties

Laser Transition5I75I8
Laser Wavelength2.05m
Effective Stimulated Absorption Cross Section1.09×10-20cm2
Effectively Stimulated Emission Cross Section1.14×10-20cm2
Pump Wavelength1908 nm
Laser Wavelength2090 nm
Fluorescence Lifetime7 ms
quantum Efficiency1
Refractive Index @1.030 m1.82
Upper Conversion Loss Factor1.8, 2.6, 5.3×10-18cm3/s

Features

  • High laser gain
  • Safe for eyes and good atmosphere transmission
  • High-energy storage capability
  • Low quantum defect
  • Long fluorescence life
  • Large emission cross section
  • High slope efficiency
  • Low up-conversion loss and re-absorption loss

Medical Applications

  • 2100nm laser
  • Medical
  • Optical com
Product Tags:

nd yag laser rod

  

laser material

  
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