New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW may be very big in contrast with that of Yb:YAG. This allows for vast wavelength tunability and for Considerably shorter pulse durations from method-locked lasers. Values very well down below 100 fs are actually achieved with passive manner locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, is often a exceptional product that performs a very important function in laser know-how. Its Key perform is to generate ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
time. Crystals from the compound melts congruently at 1007 oC, nonetheless melt crystallization of high quality crystal is unattainable as a consequence of section changeover at ~920 oC. The very best seeded Resolution technique from
Color-coded reflectivity of a Bragg mirror being a perform of wavelength and angle of the incident beam.
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW mainly because of the identical sizes of these chemical things up to 100% of Yb-doping may very well be achieved. This special characteristic permits ytterbium to go ahead and take location of yttrium with virtually no disruption for the crystal’s lattice.
In advance of the development of Nd:YAG, Nd3+:CaWO4 was an important uncommon-earth-doped laser attain medium. It had been in actual fact Utilized in the very first consistently running crystal laser.
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A higher brightnessQ-switched oscillator and regenerative amplifier depending on a dual-crystal Yb:KGW laser
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW due to equivalent sizes of these chemical factors around one hundred% of Yb-doping could be achieved.
While ytterbium-doped laser achieve media typically exhibit a small quantum defect, ytterbium-doped tungstates allow for specially compact values. By way of example, a 1030-nm Yb:YAG laser would Generally be pumped close to 940 nm, whereas Yb:KGW or Yb:KYW might be most successfully pumped close to 981 nm.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, is a impressive materials that plays an important part in laser technological innovation. Its Key perform is website to crank out ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
At the same time, a shorter laser wavelength is often attained; it is feasible to operate that has a quantum defect very well underneath 1%. As a consequence, the warmth generation might be so small this partly compensates the decreased thermal conductivity.