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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.
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Doping(atm%):
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1.0% ~ 35%
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Orientation:
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<111> or <100> crystalline direction
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Wavefront Distortion:
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λ/10 per inch @ 632.8 nm
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Dimension Tolerances：
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rods with diameter: +0.0/-0.05 mm , Length: ±0.1 mm
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Surface Quality:
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10/5 Scratch/Dig MIL-O-1380A
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Parallelism:
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< 10″
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Perpendicularity:
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< 5′
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Clear Aperture:
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> 90%
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Surface Flatness:
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< λ/10 @ 632.8 nm
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Chamfer:
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< 0.1 mm @ 45o
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Barrel Finish:
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50-80 micro-inch (RMS) ,
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Size
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Upon customer request
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Coating
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AR/HR/PR coating upon customer’s request
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Damage Threshold
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750MW/CM2 at 1064nm, TEM00, 10ns, 10Hz
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Quality Warranty Period
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One year under proper use
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