Cr, Tm, Ho: YAG

CrTmHo YAG Laser Crystal Laser Crylink
Cr,Tm,Ho:YAG coated rod


Doped ConcentrationHo:0.3~0.4at% Cr:0.3~1.2at% Tm:5~6at%
Wavefront Distortion<λ/4@632nm
Extinction Ratio≥25 dB
Rod SizesDiameter:3~6mm,Length:50~120mm
Dimensional TolerancesDiameter:+0.00/-0.05mm, Length: ± 0.5mm
Barrel Finish50-80 micro-inch (RMS)
Flatnessλ/10@ 633 nm
Surface Quality10/5 Scratch / Digper MIL-O-1380A
Chamfer0.006″±0.002″ at 45°± 5°
AR Coating Reflectivity≤ 0.25% (@2094nm)
Lattice Constant12.01Å
Melting Point1970°C
Orientation<111> or <100]> crystalline within 5°
Thermal Expansion7.8×10-6 /K
Thermal Conductivity14W/m/K, 20°C;10.5W/m/K, 100°C
Mohs Hardness8.5
Dielectric Constant11.7
Laser Transition5I7 → 5I8
Laser Wavelength 2.094 µm
Photon Energy9.55 x 10-20 J
Emission Cross Section 7 x 10-21 cm2
Fluorescence Lifetime8.5 ms
Index of Refraction1.80 @2.08 µm
Absorption Linewidth4 nm
Diode Pump Band 781 nm
Major Pump Band400~800 nm

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