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CTH:YAG High-Efficiency 2μm Laser
2025-07-10
CTH:YAG, a triple-doped solid-state laser crystal composed of Cr³⁺, Tm³⁺, and Ho³⁺ ions in a YAG (Yttrium Aluminum Garnet) host, is a highly efficient gain medium for 2.1 μm laser emission.
CTH:YAG, a triple-doped solid-state laser crystal composed of Cr³⁺, Tm³⁺, and Ho³⁺ ions in a YAG (Yttrium Aluminum Garnet) host, is a highly efficient gain medium for 2.1 μm laser emission. The CTH:YAG laser material is widely utilized in medical, scientific, and defense applications due to its exceptional performance characteristics and the eye-safe nature of its emission wavelength. One of the key advantages of CTH:YAG lies in its strong spectral overlap between the pump radiation—delivered via flash lamps or diode lasers—and the absorption bands of Cr³⁺ and Tm³⁺, enabling efficient energy transfer to Ho³⁺ ions.
This efficient cascade energy transfer mechanism makes CTH:YAG an ideal choice for 2 μm lasers with high quantum efficiency. It operates efficiently at room temperature, simplifying system design and reducing cooling requirements. In the medical field, CTH:YAG lasers are frequently used in procedures such as lithotripsy, where precise, minimally invasive treatment is required. Additionally, in scientific research and atmospheric sensing, the eye-safe wavelength of the CTH:YAG laser ensures safe operation without compromising performance.
The ability of CTH:YAG to be pumped by both flash lamps and diodes gives system designers flexibility, while the material’s stable output and reliability make it a trusted choice in mission-critical environments. With its proven performance and versatility, CTH:YAG continues to play a crucial role in advancing laser technology across multiple industries.
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