The Definitive Guide to KYW Crystal
The Definitive Guide to KYW Crystal
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In functional terms, the Yb:KYW crystal has discovered its specialized niche in significant-energy laser programs on account of its capability to create significant Electrical power ultrashort laser pulses whilst preserving a compact measurement. The interaction of its options �?seamless ytterbium substitution, powerful absorption qualities, ultrashort pulse generation and performance in Power conversion �?positions the Yb:KYW crystal like a cornerstone from the laser engineering, masking various fields ranging from scientific analysis to industrial purposes.
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The Yb:KYW crystal’s proficiency in gentle absorption at all-around 981 nm tends to make the crystal compatible for diode pumping. It is actually further Improved by its amazing performance in this method, coupled with its low quantum defect.
FIG. 4. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Energetic element for an output electrical power of 700 mW. The width of
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW due to the related measurements of those chemical things nearly a hundred% of Yb-doping could be accomplished. This special characteristic permits ytterbium to go ahead and take position of yttrium with virtually no disruption towards the crystal’s lattice.
In advance of the development of Nd:YAG, Nd3+:CaWO4 was a very important exceptional-earth-doped laser acquire medium. It had been in fact used in the 1st continually running crystal laser.
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Spatial structure of the beam and the corresponding depth profiles I with the output on the laser.
... at fifty percent-height were created in the master oscillator with selfsynchronization of the axial modes, explained within our earlier article. 21 The new edition in the laser, in contrast to that explained in our before write-up, used an Yb:KYW crystal with the N pcut (optical axis N p of the index ellipsoid was parallel to your propagation path with the laser radiation), With all the polarization of your generated radiation directed alongside the N m axis.
On the other hand, once Nd3+:YAG became commercially readily available, the interest in CaWO4 dropped sharply. In later several years, sure other tungstate crystals began to attract plenty of consideration.
The thermal conductivity of widespread double tungstates is of the buy to 3–four W/(K m) �?which isn't negative compared with other laser crystals (Despite the fact that several periods less than for YAG), and reasonably large in comparison While using the thermal conductivity of common glasses.
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Ask RP Photonics for any assistance concerning KYW Crystal tungstate lasers, together with femtosecond lasers and large-power lasers.