Top Guidelines Of KYW Crystal
Top Guidelines Of KYW Crystal
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The comparison with glasses is acceptable Because the significant achieve bandwidth enables e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The Yb:KYW crystal’s proficiency in light absorption at all over 981 nm makes the crystal well suited for diode pumping. It really is even further Increased by its remarkable effectiveness in this process, coupled with its minimal quantum defect.
FIG. 4. Autocorrelation functionality of the pulse 共a兲and spectrum 共b兲of the laser with an oblong active ingredient for an output electrical power of seven-hundred mW. The width of
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW as a result of very similar dimensions of such chemical features as much as 100% of Yb-doping could possibly be reached. This exceptional characteristic permits ytterbium to take the spot of yttrium with almost no disruption on the crystal’s lattice.
The monoclinic crystal buildings ends in a pure birefringence, helping to stay away from thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra reveal optical more info functions owing for the presence of thulium ions, and as a consequence the supplies might be even further analyzed in the scope of laser and luminescence purposes.
A higher brightnessQ-switched oscillator and regenerative amplifier based upon a dual-crystal Yb:KGW laser
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Large-electric power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical programs
The thermal conductivity of common double tungstates is of your purchase to three–4 W/(K m) �?which isn't negative as opposed with other laser crystals (Whilst many times below for YAG), and fairly massive as opposed With all the thermal conductivity of regular Eyeglasses.
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At the same time, a shorter laser wavelength is often acquired; it is possible to function having a quantum defect perfectly underneath 1%. For a consequence, the heat era may be so smaller that this partly compensates the decreased thermal conductivity.