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Cubic Q Switch Magnesium Aluminate Spinel / Co Spinel Passive Crystals

Categories Q Switch Crystals
Brand Name: CRYLINK
Place of Origin: China
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-Co Spinel Crystal
Chemical formula: Co2+:MgAl2O4
Crystal structure: Cubic
Lattice parameters: 8.07Å
Density: 3.62 g/cm3
Melting Point: 2105°C
Refractive Index: n=1.6948 @1.54 μm
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Cubic Q Switch Magnesium Aluminate Spinel / Co Spinel Passive Crystals

Cobalt-doped magnesium aluminate spinel (Co:MgAl2O4) allow the generation of short nanosecond pulse with high peak power around the eye-safe wavelength of 1.5um,perfect for telemetry applications. The absorption spectrum of Co2+-doped MgAl2O4 exhibited a broad absorption band in the wavelength range of 1200–1600 nm, which indicated that Co2+ ions substituted for the tetrahedrally coordinated Mg2+ ions in the MgAl2O4 lattice. Passive Q-switching of solid-state lasers with solid-state saturable absorbers is a very attractive Q-switching technique because it allows to develop compact and low cost laser sources of nano and sub nanosecond pulses far various applications


Physical and Chemical Properties

PropertyValue
Chemical formulaCo2+:MgAl2O4
Crystal structureCubic
Lattice parameters8.07Å
Density3.62 g/cm3
Melting Point2105°C
Refractive Indexn=1.6948 @1.54 μm
Thermal Conductivity/(W·cm-1·K-1@25°C)0.033W
Thermal Expansion /(10-6 /°C@25°C )1.046
Specific Heat/ (J·g-1·K-1)5.9
Hardness (Mohs)8.2
Extinction Ratio25dB
Orientation[100] or [111] < ±0.5°
Optical density0.1-0.9
Damage Threshold>500 MW/cm2
Doping concentration of Co2+0.01-0.3 atm%

Metarial and Specifications

PropertyValue
Concentrations(0.05~0.35) wt%
Absorption coefficient0 ~ 7 cm-1
Ground-state absorption cross-section
GSA(E-19 cm2)
2.8(±0.4)@1340nm
Excited state absorption cross-section
ESA(E-20 cm2)
2.0(±0.6)@1340nm
Ground-state absorption cross-section
GSA(E-20 cm2)
3.5(±0.4)@1540nm
Excited state absorption cross-section
ESA(E-20 cm2)
1.0(±0.6)@1540nm
Working wavelength1200 – 1600 nm
End ConfigurationFlat/Flat
Figure of Merit(FOM)100~300
CoatingsAR/AR@1540,R<0.2%;
AR/AR@1340,R<0.2%

Absorption Spectrum

Transmission Spectrum

Feature


  • Rare excited absorption
  • High constant of Q-switch
  • High absorption section
  • Long excited lifetime
  • Evenly distributed cobalt
  • Wide absorption band

Quality Cubic Q Switch Magnesium Aluminate Spinel / Co Spinel Passive Crystals for sale
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