We offer Co: Spinel crystals in various sizes. Co:Spinel (Co2+:MgAl2O4 or Co:MALO) crystals are a relatively new material for passive Q-switching in lasers emitting 1.2 to 1.6 µm, especially for eye-safe lasers, but also suitable for at 1.44 µm and 1.34 µm wavelengths.
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Catalog Number
ACMA00027626
Product Name
Co:Spinel Crystals, 3mm*3mm80%@1535nm Initial Transmission
Molecular Formula
Co2+:MgAl2O4
Width
3 mm
Height
3 mm
DimensionTolerance
W±0.1mm/H±0.1mm
Coating
AR/AR@1535 nm
Flatness
<λ/8@632.8 nm
Parallelism
<20 arcsec
Perpendicularity
<10 arcmin
Surface Quality
20-10 S-D
ClearAperture
>90%
Crystal Structure
Cubic
Density
3.58 g/cm3
Refractive Indices
1.6~1.75
Expansion Coefficient
(Thermal expansion coefficient) 6.14×10-6 /K
Thermal Conductivity
~17 W/m/K
Damage Threshold
(Laser-induced) >8 J/cm2@1535 nm, 10 ns
Transmission
80%@1535 nm (Initial Transmission)
Chamfers
<0.1 mm at 45˚
Initial Transmission Tolerance
±1% (for values larger than 80%)
Moh'sHardness
8
MSDS
COA
Spec Sheet
Low optical loss in the wavelength range of 1.3 µm~1.6 µm; high laser damage threshold
Passive Q-Switch @1.54 µm for Er:Glass Lasers