KYW Crystal Options
KYW Crystal Options
Blog Article
In functional phrases, the Yb:KYW crystal has identified its market in higher-energy laser applications as a consequence of its capability to generate significant Power ultrashort laser pulses even though sustaining a compact dimensions. The interaction of its attributes �?seamless ytterbium substitution, solid absorption traits, ultrashort pulse generation and effectiveness in Electrical power conversion �?positions the Yb:KYW crystal like a cornerstone from the laser engineering, covering assorted fields starting from scientific investigate to industrial applications.
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Femtosecond laser depending on Yb:KYW crystals with suppression of spectral narrowing inside of a regenerative amplifier by spectral profiling of the pulse
FIG. four. Autocorrelation perform of the pulse 共a兲and spectrum 共b兲of the laser with a rectangular active aspect for an output power of 700 mW. The width of
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW due to equivalent measurements of those chemical aspects as many as a hundred% of Yb-doping may be realized. This one of a kind attribute permits ytterbium to take the location of yttrium with practically no disruption towards the crystal’s lattice.
The monoclinic crystal buildings leads to a all-natural birefringence, helping to keep away from thermally induced polarization rotation and depolarization loss.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and therefore are made use of as lasing supplies to deliver ultrashort (~ 100-two hundred fs) high electric power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser units.
five mm besides the middle in the beam caustic. As a way to Verify the mode matching simulation, we performed the experiment with Ng-Slash crystal oscillator, which was designed Formerly As well as in a similar problem with simulation [eleven]. As demonstrated in Figure 3(b) with red dots and line, the CW output electric power is highly depending on the place of laser crystal as well as experimental end result coincides well with simulation result. Being a note, multimode operation happened in experiment in the event the dimension with the pump beam is bigger than TEM00 cavity mode and it will cause higher CW output electrical power from the displacement location below 3.5 mm.
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By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW mainly because of the very similar measurements of these chemical things as much as 100% of Yb-doping could be realized.
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Simultaneously, a shorter laser wavelength can be attained; it can be done to operate using a quantum defect well down below one%. Like a consequence, the warmth generation may be so smaller this partly compensates the decreased thermal conductivity.