CTH:YAG (Cr,Tm,Ho:YAG) is one of the hot research fields in solid-state lasers in recent years, its excellent crystal for generating 2.1 μm wavelength laser, and the 2.1 μm laser with it as the working substance has shown important application prospects in medicine optical communication, remote sensing and laser radar, laser chemistry, laser spectroscopy, and material processing.
The main advantages of CTH:YAG
• High pulse output energy
• Suitable for repetitive frequency operation
• Can operate efficiently at room temperature
Suitable for lamp pumping, and also applicable to diode pumping
• The wavelength of laser operation is relatively safe for human eyes
Parameter indicators：
| Aperture | maximum φ 30mm, minimum φ 1mm |
| Size tolerance | ± 0.1mm |
| Parallelism | ≤20 arc seconds |
| Verticality | ≤5 arc minutes |
| Surface finish | 20-10 |
| Flatness | λ/10 @ 633 nm |
| Angle tolerance | Δθ≤0.25°, Δφ≤0.25° |
| Chamfer | ≤0.2mmx45° |
| Crack | ≤0.1mm |
| Damage threshold | > 800MW/cm2 at 10Hz |
| Wavelength range | 2094nm |
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