Frequently Asked Questions

Laser Crystal - CTH:YAG is a yttrium aluminium garnet laser crystal doped with chromium, thulium, and holmium ions to provide lasing at 2.13 microns.

The advantages of CTH:YAG include high slope efficiency, can be pumped by flashlamp or diode, operates well at room temperature, and operates in a relatively eye-safe wavelength range.

CTH:YAG has wide applications in surgery, dentistry, atmospheric testing, etc.

The technical parameters of CTH:YAG include wavefront distortion of ≤0.125ʎ/inch@1064nm, rod sizes of diameter: 3-6mm, length: 50-120mm, dimensional tolerances of diameter: ±0.05mm, length: ±0.5mm, and surface quality of 10/5 AR coating reflectivity of ≤0.25%@2094nm.

The concentration of the dopant ions in CTH:YAG is Cr3+ concentration of 0.85%, Tm3+ concentration of 5.9%, and Ho3+ concentration of 0.36%.

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