Tm:KYW Crystals, 5%Doping, Brewster cut
Ditungstate crystals are optically biaxial. The advantages of Tm-doped KYW crystals include a broad fluorescence band, large emission cross-section, and relatively low upper-level lifetime. We can provide ditungstate crystals in different specifications.
Request bulk or custom formats
Catalog Number
ACMA00027531
Product Name
Tm:KYW Crystals, 5%Doping, Brewster cut
Wedge Of Ends
Brewster cut
DimensionTolerance
W±0.1mm/H±0.1mm/L±0.2mm
Perpendicularity
<10 arcmin
Crystal Structure
Monoclinic
Wavelength
1910 nm (laser wavelength)
Refractive Indices
(@1040nm) ng=2.05, nm=2.01, np=1.97
Expansion Coefficient
(Thermal expansion coefficient) αp=1.83 × 10-6 /K, αm=10.29 × 10 /K, αg=15.94 × 10 /K
Thermal Optical Coefficient
dnm/dT=-9.2 × 10-6 /K
Thermal Conductivity
~3.3 W/m/K
Damage Threshold
(Laser-induced) >10 J/cm2@1900 nm, 10 ns
Absorption Cross Section
(at peak) 5.2×10-20 cm2
Bandwidth
(absorption bandwidth at a peak wavelength) 5.5 nm
Emission Cross Section
(@1910) 1.15×10-20 cm2
Absorption Wavelength
802 nm
Broad fluorescence band; large emission cross section; relatively low upper layer lifetime
CW and Q-switched lasers with emission wavelengths close to 2 µm; femtosecond lasers in the 2 µm wavelength range
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