Everything about KYW Crystal
Everything about KYW Crystal
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW may be very massive as opposed with that of Yb:YAG. This allows for huge wavelength tunability and for much shorter pulse durations from method-locked lasers. Values perfectly below 100 fs are actually realized with passive manner locking.
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time. Crystals with the compound melts congruently at 1007 oC, on the other hand melt crystallization of high quality crystal is extremely hard on account of period transition at ~920 oC. The top seeded Answer strategy from
Color-coded reflectivity of a Bragg mirror like a perform of wavelength and angle of your incident beam.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW mainly because of the related measurements of those chemical things nearly a hundred% of Yb-doping can be achieved. This one of a kind characteristic permits ytterbium to go ahead and take put of yttrium with virtually no disruption to the crystal’s lattice.
Adhesion Examination Compliant with MIL-C-675C military services standards, an adhesion check concerned applying a tape that satisfies LT-ninety specs onto the lens film layer. The tape was affixed entirely and afterwards eradicated vertically. This procedure was done thrice, causing no blistering or peeling.
FIG. one. Optical layout of the laser with immediate pumping Along with the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output
A higher brightnessQ-switched oscillator and regenerative amplifier according to a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping focus can be very substantial without important quenching as the changed ions have an extremely very similar ion radius, along with the inter-ion length is pretty big.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW as a result of similar sizes of such chemical aspects up to one hundred% of Yb-doping could be reached.
Although ytterbium-doped laser achieve media typically exhibit a little quantum defect, ytterbium-doped tungstates make it possible for for specially modest values. By way of example, a 1030-nm Yb:YAG laser would Typically be pumped around 940 nm, Whilst Yb:KGW or Yb:KYW more info could possibly be most efficiently pumped all over 981 nm.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is a remarkable product that performs a vital part in laser technological innovation. Its Major perform should be to crank out ultrashort pulses of light, spanning just some hundred femtoseconds.
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