Considerations To Know About KYW Crystal
Considerations To Know About KYW Crystal
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In functional phrases, the Yb:KYW crystal has uncovered its niche in superior-electrical power laser programs due to its capacity to create large Vitality ultrashort laser pulses although keeping a compact measurement. The interplay of its attributes �?seamless ytterbium substitution, strong absorption qualities, ultrashort pulse generation and performance in Strength conversion �?positions the Yb:KYW crystal to be a cornerstone inside the laser know-how, covering numerous fields ranging from scientific research to industrial programs.
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We existing a twin-crystal Yb:KGW laserthat iscapable to operate as a Q-switched oscillator with output ability around 24 W and pulse length of twenty ns,or being a regenerative amplifier with output energy approximately 21 W and pulse length underneath 200 fs after compression of chirped pulses. Both lasers have great beam good quality with beam parameter M2
FIG. four. Autocorrelation purpose of the pulse 共a兲and spectrum 共b兲of a laser with an oblong active factor for an output electrical power of seven hundred mW. The width of
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW due to the related dimensions of these chemical aspects around one hundred% of Yb-doping can be accomplished. This special characteristic permits ytterbium to take the spot of yttrium with almost no disruption to your crystal’s lattice.
After air drying and subsequent cleaning by using a cotton fabric soaked in Liquor, the movie area showed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and therefore are utilised as lasing resources to make ultrashort (~ 100-two hundred fs) superior ability pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser devices.
Tungstates are likely to have higher Raman coefficients (�?Raman scattering). For that reason, they might deliver significant Raman gain at moderate optical intensities. It can be done to utilize the laser crystal alone like a Raman converter.
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Substantial-energy repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical apps
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, is usually a extraordinary substance that plays an important job in laser technology. Its Most important purpose will be to make ultrashort pulses of light, spanning just some hundred femtoseconds.
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