The Definitive Guide to KYW Crystal
The Definitive Guide to KYW Crystal
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This one of a kind attribute of ultrafast pulses permits nonlinear optical conversation with tissue at small overall exposure, and drives applications including deep-tissue multiphoton microscopy and substantial-precision eye medical procedures
The Yb:KYW crystal’s proficiency in light-weight absorption at all-around 981 nm would make the crystal compatible for diode pumping. It really is more enhanced by its remarkable performance in this process, coupled with its small quantum defect.
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By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to related sizes of these chemical factors as many as one hundred% of Yb-doping could possibly be realized. This special attribute permits ytterbium to go ahead and take spot of yttrium with almost no disruption towards the crystal’s lattice.
After air drying and subsequent cleaning by using a cotton cloth soaked in alcohol, the film area showed no signs of peeling or scratches.
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five mm aside from the middle in the beam caustic. So as to Verify the manner matching simulation, we performed the experiment with Ng-Lower crystal oscillator, which was developed Formerly As well as in a same problem with simulation [eleven]. As shown in Figure three(b) with pink dots and line, the CW output electrical power is very dependent on the placement of laser crystal and the experimental outcome coincides very well with simulation final result. Like a Notice, multimode Procedure happened in experiment when the measurement with the pump beam is larger than TEM00 cavity mode and it triggers increased CW output ability during the displacement region beneath 3.5 mm.
For tungstates, the ytterbium doping focus can be quite higher without sizeable quenching since the replaced ions have a very identical ion radius, as well as the inter-ion length is fairly big.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW a result of the equivalent sizes of these chemical features nearly one hundred% of Yb-doping may be attained.
The thermal conductivity of frequent double tungstates is from the get to three–4 W/(K m) �?which isn't terrible in comparison with other laser crystals (Though quite a few moments lower than for YAG), and fairly substantial in contrast with the thermal conductivity of regular glasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, more info is a remarkable product that performs a vital position in laser engineering. Its Major function is to crank out ultrashort pulses of light, spanning just a few hundred femtoseconds.
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