New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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In functional conditions, the Yb:KYW crystal has discovered its specialized niche in substantial-electricity laser applications as a result of its power to create large Electricity ultrashort laser pulses while keeping a compact size. The interplay of its characteristics �?seamless ytterbium substitution, potent absorption qualities, ultrashort pulse era and effectiveness in Vitality conversion �?positions the Yb:KYW crystal like a cornerstone within the laser technological innovation, masking assorted fields starting from scientific investigation to industrial programs.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is often a amazing materials that performs a significant part in laser technologies. Its Most important perform is to produce ultrashort pulses of light, spanning just a couple hundred femtoseconds.
We existing a twin-crystal Yb:KGW laserthat iscapable to work as a Q-switched oscillator with output electrical power as much as 24 W and pulse size of twenty ns,or as a regenerative amplifier with output electricity up to 21 W and pulse period under two hundred fs immediately after compression of chirped pulses. Both of those lasers have fantastic beam top quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Show robust peaks at 980 nm and 1030 nm, respectively, making certain effective Vitality conversion and higher effectiveness in laser systems.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW as a result of very similar dimensions of such chemical elements as much as 100% of Yb-doping may be reached. This exceptional attribute permits ytterbium to take the spot of yttrium with almost no disruption on the crystal’s lattice.
Adhesion Take a look at Compliant with MIL-C-675C military specifications, an adhesion test concerned applying a tape that fulfills LT-90 specifications on to the lens film layer. The tape was affixed absolutely and after that taken out vertically. This technique was done 3 times, leading to no blistering or peeling.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and they are made use of as lasing products to crank out ultrashort (~ one hundred-200 fs) high power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser methods.
Tungstates have a tendency to get higher Raman coefficients (�?Raman scattering). Therefore, they will create major Raman attain at reasonable optical intensities. It is feasible to use the laser crystal itself being a Raman converter.
For tungstates, the ytterbium doping focus can be very superior without having sizeable quenching since the changed ions have check here a very equivalent ion radius, plus the inter-ion length is pretty big.
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to the very similar measurements of these chemical factors up to a hundred% of Yb-doping may be attained.
Although ytterbium-doped laser achieve media normally exhibit a small quantum defect, ytterbium-doped tungstates let for notably tiny values. By way of example, a 1030-nm Yb:YAG laser would Generally be pumped all around 940 nm, whereas Yb:KGW or Yb:KYW might be most efficiently pumped all-around 981 nm.
This tandem of attributes has considerably-reaching implications, specially in the construction of compact but powerfull lasers.
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