Cr,Tm,Ho:YAG
0.59J/g•cm-3@0-20℃. Laser wavelength: 2.080μm. Molecular formula: Cr,Tm,Ho:Y3Al5O12. Orientation: <111>. Extinction ratio: >28dB. Flatness: λ/10@ 633 nm. Parallelism: <10arc seconds. Perpendicularity: <5arc minutes. Surface quality: 10/5. CTH:YAG, fully named Cr,Tm,Ho:YAG crystal, has a laser emission wavelength of 2080 nm and high pumping efficiency. It can be pumped by a flashlamp or laser diode. Cr,Tm,Ho:YAG crystals are widely used in laser medicine, measurement, and military applications. CTH:YAG also has good optical quality, low scattering loss, and high efficiency. Lasers made from Cr,Tm,Ho:YAG crystals are already widely used in laser medicine. Basic Properties Molecular formula | Ho:Y3Al5O12 Crystal structure | Cubic Lattice constant | 12.01Å Melting point | 1970°C Density | 4.56g/cm3 Refractive index | 1.82 Thermal expansion coefficient | 7.8x10-6 /K Thermal conductivity (w/m/k) | 14W/m/K, 20°C; 10.5W/m/K, 100°C Laser wavelength | 2094nm Refractive index | 1.80@2094 Main pump band range | 400~800nm LD pump absorption wavelength | 781nm Mohs hardness | 8.5 Fluorescence lifetime | 8.5nm Pump-wavelength absorption linewidth | 4nm Orientation | crystalline direction
Overview
Specifications
| Parameter | Value |
|---|---|
| Dopant Concentration | Ho:0.3~0.4at% Cr:0.3~1.2at% Tm:5~6at% |
| Crystal Rod Dimensions | Diameter 3~6mm, length 50~140mm, customizable to customer requirements |
| Wavefront Distortion [633nm] | λ/8per inch @633nm |
| Extinction Ratio | >28dB |
| Dimensional Tolerance | Rods with diameter:(+0/-0.05)mm,( ±0.5) mm |
| Surface Quality [MIL-O-1380A] | 10/5 Scratch/dig per MIL-O-1380A |
| Parallelism | <10arc seconds |
| Perpendicularity | <5arc minutes |
| Clear Aperture | >90% |
| Flatness [633nm] | λ/10@ 633 nm |
| Edge Bevel [45 deg] | <0.1mm@45 deg |
| Antireflection Coating [2094] | < 0.25%@2094 |
Datasheet
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