New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The comparison with glasses is appropriate Considering that the huge acquire bandwidth permits e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
The Yb:KYW crystal’s proficiency in light absorption at all around 981 nm makes the crystal well suited for diode pumping. It truly is further more Increased by its outstanding efficiency in this process, coupled with its minimal quantum defect.
FIG. four. Autocorrelation operate of the heart beat 共a兲and spectrum 共b兲of a laser with an oblong active aspect for an output electric power of seven-hundred mW. The width of
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW a result of the identical dimensions of such chemical elements as much as 100% of Yb-doping might be reached. This exceptional attribute permits ytterbium to take the spot of yttrium with nearly no disruption for the crystal’s lattice.
Adhesion Check Compliant with MIL-C-675C armed service standards, an adhesion check concerned applying a tape that meets LT-ninety requirements on to the lens movie layer. The tape was affixed entirely after which taken off vertically. This technique was executed thrice, leading to no blistering or peeling.
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Spatial composition of your beam as well as corresponding depth profiles I with the output in the laser.
For tungstates, the ytterbium doping concentration can be quite superior with no sizeable quenching because the replaced ions have an exceedingly comparable ion radius, plus the inter-ion length is fairly large.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW as a result of comparable dimensions of those chemical components as many as one hundred% of Yb-doping could possibly be accomplished.
The thermal conductivity of common double tungstates is with the purchase to three–4 W/(K m) �?which isn't poor as opposed with other laser crystals (While numerous situations under for YAG), and fairly huge as opposed With all the thermal conductivity of usual glasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is a remarkable product that performs a vital position in laser technological innovation. Its Major perform is to generate ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
Request RP Photonics for any assistance regarding tungstate lasers, together with femtosecond lasers and significant-electrical power lasers.