5 Easy Facts About KYW Crystal Described
5 Easy Facts About KYW Crystal Described
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The attain bandwidth e.g. of Yb:KGW and Yb:KYW may be very significant as opposed with that of Yb:YAG. This permits for huge wavelength tunability and for Considerably shorter pulse durations from method-locked lasers. Values well below a hundred fs are actually realized with passive method locking.
The comparison with glasses is suitable Because the substantial gain bandwidth enables e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
The Yb:KYW crystal’s proficiency in mild absorption at all-around 981 nm tends to make the crystal compatible for diode pumping. It is more enhanced by its remarkable effectiveness in this method, coupled with its low quantum defect.
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW because of the comparable dimensions of those chemical features up to one hundred% of Yb-doping may very well be accomplished. This one of a kind characteristic permits ytterbium to take the area of yttrium with just about no disruption towards the crystal’s lattice.
The monoclinic crystal structures brings about a normal birefringence, helping to avoid thermally induced polarization rotation and depolarization reduction.
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A large brightnessQ-switched oscillator and regenerative amplifier based upon a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping concentration can be extremely superior without sizeable quenching since the changed ions have an exceptionally identical ion radius, as well as the inter-ion length is pretty substantial.
Superior-ability repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical applications
When ytterbium-doped laser get media usually show a little quantum defect, ytterbium-doped tungstates let for significantly small values. For instance, a 1030-nm Yb:YAG laser would normally be pumped all around 940 nm, whereas Yb:KGW or Yb:KYW can be most proficiently pumped all-around 981 nm.
This tandem of characteristics has much-achieving implications, specially in the construction of compact nonetheless powerfull lasers.
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