KYW Crystal Secrets
KYW Crystal Secrets
Blog Article
In simple conditions, the Yb:KYW crystal has discovered its area of interest in superior-energy laser apps as a consequence of its power to deliver higher Electrical power ultrashort laser pulses whilst maintaining a compact dimension. The interplay of its capabilities �?seamless ytterbium substitution, solid absorption attributes, ultrashort pulse generation and efficiency in Vitality conversion �?positions the Yb:KYW crystal being a cornerstone from the laser technological know-how, covering numerous fields starting from scientific analysis to industrial purposes.
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The Yb:KYW crystal’s proficiency in mild absorption at close to 981 nm makes the crystal well suited for diode pumping. It is more enhanced by its outstanding efficiency in this method, coupled with its reduced quantum defect.
The absorption and emission spectra of Yb:KYW Crystals Display screen sturdy peaks at 980 nm and 1030 nm, respectively, ensuring effective Vitality conversion and superior performance in laser methods.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW mainly because of the comparable measurements of those chemical features as many as one hundred% of Yb-doping can be obtained. This unique characteristic permits ytterbium to take the put of yttrium with virtually no disruption into the crystal’s lattice.
The monoclinic crystal buildings results in a organic birefringence, helping to steer clear of thermally induced polarization rotation and depolarization decline.
Raman, luminescence and transmission spectra expose optical functions owing to the existence of thulium ions, and thus the products may be additional analyzed inside the scope of laser and luminescence purposes.
5 mm apart from the middle of the beam caustic. So as to Verify the method matching simulation, we performed the experiment with Ng-Lower crystal oscillator, which was made Formerly As well as in a very same ailment with simulation [11]. As demonstrated in Determine 3(b) with crimson dots and line, the more info CW output ability is highly dependent on the situation of laser crystal and the experimental outcome coincides properly with simulation consequence. As a Notice, multimode Procedure happened in experiment when the dimension with the pump beam is larger than TEM00 cavity mode and it brings about higher CW output power within the displacement location down below 3.5 mm.
For tungstates, the ytterbium doping focus can be very higher without having considerable quenching because the replaced ions have an exceedingly very similar ion radius, as well as the inter-ion length is fairly substantial.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW because of the related dimensions of those chemical components around 100% of Yb-doping might be obtained.
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