KYW Crystal - An Overview
KYW Crystal - An Overview
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, can be a amazing product that performs an important role in laser engineering. Its Major operate is always to produce ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
The Yb:KYW crystal’s proficiency in gentle absorption at around 981 nm helps make the crystal well matched for diode pumping. It's even more Improved by its extraordinary efficiency in this process, coupled with its low quantum defect.
FIG. four. Autocorrelation purpose of the heartbeat 共a兲and spectrum 共b兲of a laser with a rectangular active component for an output electrical power of 700 mW. The width of
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW because of the equivalent measurements of those chemical things nearly a hundred% of Yb-doping could possibly be attained. This exceptional attribute permits ytterbium to take the spot of yttrium with nearly no disruption for the crystal’s lattice.
Adhesion Examination Compliant with MIL-C-675C military services requirements, an adhesion examination included implementing a tape that satisfies LT-ninety technical specs on to the lens movie layer. The tape was affixed thoroughly after which you can removed vertically. This process was executed three times, causing no blistering or peeling.
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A substantial brightnessQ-switched oscillator and regenerative amplifier based upon a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping focus can be very significant with out major quenching because the replaced ions have an exceptionally comparable ion radius, along with the inter-ion length is pretty big.
High-electricity repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications
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Li2WO4-WO3 flux was correctly applied minimizing The expansion temperature down below 900 oC. Based on solitary crystal x-ray measurements, the crystal corresponds into the P2/n space group.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at home temperature were measured. The emission spectrum and life time with the three File four excited state have been decided. Working with conventional and modified Judd–Ofelt theories, the check here depth parameters and the radiative lifetimes were calculated and great agreement With all the experimental final results was acquired for each theories.
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