KYW Crystal - An Overview
KYW Crystal - An Overview
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is often a extraordinary material that performs an important role in laser technologies. Its Major perform is always to create ultrashort pulses of light, spanning just a few hundred femtoseconds.
Femtosecond laser according to Yb:KYW crystals with suppression of spectral narrowing inside of a regenerative amplifier by spectral profiling of the heartbeat
FIG. four. Autocorrelation functionality of the heart beat 共a兲and spectrum 共b兲of the laser with a rectangular Lively aspect for an output ability of 700 mW. The width of
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW a result of the related sizes of such chemical features as many as 100% of Yb-doping may very well be reached. This exclusive characteristic permits ytterbium to go ahead and take area of yttrium with pretty much no disruption on the crystal’s lattice.
Adhesion Test Compliant with MIL-C-675C armed forces criteria, an adhesion check concerned making use of a tape that fulfills LT-90 specs onto the lens film layer. The tape was affixed totally after which eliminated vertically. This process was performed three times, causing no blistering or peeling.
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Spatial framework with the beam as well as corresponding intensity profiles I for the output on the laser.
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW due to related sizes of such chemical aspects around a hundred% of Yb-doping may very well be attained.
The thermal conductivity of frequent double tungstates is of your purchase to three–4 W/(K m) �?which isn't terrible in contrast with other laser crystals (Whilst many times below for YAG), and fairly huge as opposed Using the thermal conductivity of normal Eyeglasses.
Li2WO4-WO3 flux was effectively utilized cutting down The expansion temperature below 900 oC. Based on solitary crystal x-ray measurements, the crystal corresponds to your P2/n House team.
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