Cr,Tm,Ho:YAG is a laser material which emits radiation at 2100 nm. CTH:YAG can be pumped by a flash lamp or with laser diodes. It is widely used in military, medicine, and meteorology. It can work at room temperature, has high slope efficiency, and operates at a wavelength where the threshold for eye damage is relatively high. Main diode pump band is at 785 nm but it can also be pumped between 400 and 800 nm.
Specifications:
Dopant Concentration | Ho:0.3%~0.4 at% Cr:0.3~1.2 at% Tm:5~6 at% |
Orientation | <111>crystalline direction |
Wavefront Distortion | λ/8 per inch@632.8nm |
Extinction Ratio | >25dB |
Dimension Tolerances | rods with diameter:+0.0/-0.05 mm, Length: +/-0.5mm |
Surface Quality | 10/5 Scratch/Dig MIL-O-1380A |
Parallelism | <10″ |
Perpendicularity | <5′ |
Clear Aperture | >90% |
Surface Flatness | λ/10@632.8 nm |
Chamfer | <0.1mm@45deg |
Barrel Finish | 50-80 micro-inch (RMS) |
Anti-Reflection Coating | <0.25% |
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