How KYW Crystal can Save You Time, Stress, and Money.
How KYW Crystal can Save You Time, Stress, and Money.
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The comparison with glasses is acceptable For the reason that massive obtain bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The Yb:KYW crystal’s proficiency in gentle absorption at around 981 nm helps make the crystal compatible for diode pumping. It is actually additional enhanced by its exceptional effectiveness in this process, coupled with its very low quantum defect.
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW a result of the related sizes of these chemical features approximately one hundred% of Yb-doping might be achieved. This unique attribute permits ytterbium to take the put of yttrium with just about no disruption to your crystal’s lattice.
The monoclinic crystal structures brings about a normal birefringence, assisting to prevent thermally induced polarization rotation and depolarization loss.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and they are employed as lasing materials to make ultrashort (~ 100-200 fs) significant energy pulses. Direct pump of Yb:KGW/KYW crystals with click here laser diodes running at 981 nm supports compact laser units.
A higher brightnessQ-switched oscillator and regenerative amplifier based on a twin-crystal Yb:KGW laser
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW mainly because of the related sizes of those chemical elements approximately 100% of Yb-doping may be achieved.
The thermal conductivity of frequent double tungstates is of the buy to three–4 W/(K m) �?which is not terrible compared with other laser crystals (Despite the fact that several instances a lot less than for YAG), and fairly huge when compared While using the thermal conductivity of typical glasses.
This tandem of attributes has far-reaching implications, notably in the development of compact yet powerfull lasers.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison to its counterpart Yb:KGW, is a remarkable product that plays an essential job in laser technological know-how. Its Principal perform should be to make ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
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