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Laser Crystals: Yb:YAG Crystal
It is more suitable for diode-pumping than the traditional Nd-doped systems. It can be pumped at 0.94 μm laser output. Compared with the commonly used Nd:YAG crystal, Yb:YAG crystal has a much larger absorption bandwidth to reduce thermal management requirements for diode lasers, a longer upper-state lifetime, three to four times lower thermal loading per unit pump power. Yb:YAG crystal is expected to replace Nd:YAG crystal for high power diode-pumped lasers and other potential applications.
- Very low fractional heating, less than 11%
- Very high slope efficiency
- Broad absorption bands, about [email protected]
- No excited-state absorption or up-conversion
- Conveniently pumped by reliable InGaAs diodes at 940nm(or 970nm)
- High thermal conductivity and large mechanical strength
- High optical quality
We offer Yb:YAG specifications
|Doping(atm%):||1.0% ~ 35%|
|Orientation:||<111> or <100> crystalline direction|
|Wavefront Distortion:||λ/10 per inch @ 632.8 nm|
|Dimension Tolerances：||rods with diameter: +0.0/-0.05 mm , Length: ±0.1 mm|
|Surface Quality:||10/5 Scratch/Dig MIL-O-1380A|
|Clear Aperture:||> 90%|
|Surface Flatness:||< λ/10 @ 632.8 nm|
|Chamfer:||< 0.1 mm @ 45o|
|Barrel Finish:||50-80 micro-inch (RMS) ,|
|Size||Upon customer request|
|Coating||AR/HR/PR coating upon customer’s request|
|Damage Threshold||750MW/CM2 at 1064nm, TEM00, 10ns, 10Hz|
|Quality Warranty Period||One year under proper use|
Slabs, thread rod, Er:YAG, Nd:YAG, Cr:YAG,Ce:YAG, Tm:YAG,Ho:YAG and other ion doped YAG crystals are also available upon request.
Yb:YAG crystals with diffusion bonded undoped YAG endcaps or Q-switch are also available from us.
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