Top KYW Crystal Secrets
Top KYW Crystal Secrets
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In practical phrases, the Yb:KYW crystal has located its niche in higher-electrical power laser purposes due to its ability to deliver large energy ultrashort laser pulses though maintaining a compact dimension. The interaction of its options �?seamless ytterbium substitution, sturdy absorption properties, ultrashort pulse technology and effectiveness in Electrical power conversion �?positions the Yb:KYW crystal being a cornerstone from the laser technologies, covering assorted fields starting from scientific study to industrial purposes.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is a impressive substance that plays a very important function in laser engineering. Its primary perform would be to make ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
We current a twin-crystal Yb:KGW laserthat iscapable to operate for a Q-switched oscillator with output power around 24 W and pulse length of twenty ns,or as a regenerative amplifier with output electricity as much as 21 W and pulse duration under 200 fs soon after compression of chirped pulses. Both of those lasers have superb beam good quality with beam parameter M2
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW because of the very similar sizes of those chemical things around 100% of Yb-doping can be obtained. This distinctive characteristic permits ytterbium to take the area of yttrium with practically no disruption for the crystal’s lattice.
Ahead of the development of Nd:YAG, Nd3+:CaWO4 was a very important unusual-earth-doped laser achieve medium. It absolutely was in fact used in the very first continually functioning crystal laser.
Raman, luminescence and transmission spectra expose optical capabilities owing on the presence of thulium ions, and therefore the products may very well be further more studied during the scope of laser and luminescence applications.
A significant brightnessQ-switched oscillator and regenerative amplifier dependant on a twin-crystal Yb:KGW laser
... at 50 percent-height ended more info up created inside a master oscillator with selfsynchronization of your axial modes, described inside our earlier short article. 21 The new edition from the laser, in contrast to that explained in our previously posting, utilized an Yb:KYW crystal using an N pcut (optical axis N p of your index ellipsoid was parallel to the propagation path of the laser radiation), Using the polarization of your created radiation directed together the N m axis.
Nonetheless, as soon as Nd3+:YAG turned commercially readily available, the fascination in CaWO4 dropped sharply. In later on yrs, sure other tungstate crystals began to attract a great deal of awareness.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is actually a extraordinary materials that performs a very important role in laser technological innovation. Its primary perform will be to make ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
Simultaneously, a shorter laser wavelength might be received; it is achievable to function having a quantum defect effectively under 1%. Being a consequence, the heat technology is usually so smaller that this partly compensates the decrease thermal conductivity.