Tm:KYW Crystals, 5%Doping, Right-angle 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.

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Catalog Number

ACMA00027530

Product Name

Tm:KYW Crystals, 5%Doping, Right-angle cut

Doping

0.05

Wedge Of Ends

Right-angle cut

Width

3 mm

Height

3 mm

Length

2 mm

Orientation

Ng-cut

DimensionTolerance

W±0.1mm/H±0.1mm/L±0.2mm

Coating

AR/AR@802 nm+1900-2000 nm

Flatness

λ/10@632.8 nm

Parallelism

< 10 arcsec

Perpendicularity

<10 arcmin

Surface Quality

10-5 S-D

ClearAperture

>90%

Crystal Structure

Monoclinic

Density

6.5 g/cm³

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

Chamfers

<0.1 mm at 45˚

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

Moh'sHardness

4~5

MSDS

COA

Spec Sheet

Features And Benefits

Broad fluorescence band; large emission cross section; relatively low upper layer lifetime

Application

CW and Q-switched lasers with emission wavelengths close to 2 µm; femtosecond lasers in the 2 µm wavelength range

• Catalog Number: ACMA00027530
• Product Name: Tm:KYW Crystals, 5%Doping, Right-angle cut
• Doping: 0.05
• Wedge Of Ends: Right-angle cut
• Width: 3 mm
• Height: 3 mm
• Length: 2 mm
• Orientation: Ng-cut
• DimensionTolerance: W±0.1mm/H±0.1mm/L±0.2mm
• Coating: AR/AR@802 nm+1900-2000 nm
• Flatness: λ/10@632.8 nm
• Parallelism: < 10 arcsec
• Perpendicularity: <10 arcmin
• Surface Quality: 10-5 S-D
• ClearAperture: >90%
• Crystal Structure: Monoclinic
• Density: 6.5 g/cm³
• 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
• Chamfers: <0.1 mm at 45˚
• 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
• Moh'sHardness: 4~5