Everything about KYW Crystal
Everything about KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is really a exceptional materials that performs a vital role in laser know-how. Its Key purpose would be to generate ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
time. Crystals of your compound melts congruently at 1007 oC, however melt crystallization of top of the range crystal is difficult on account of phase changeover at ~920 oC. The top seeded solution strategy from
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This paper describes a femtosecond laser regenerative amplifier based upon two Yb:KYW crystals with immediate longitudinal pumping by strong linear arrays of semiconductor injection lasers getting fiber output. To prevent spectral narrowing during amplification as well as corresponding lengthening on the amplified pulse when it is actually compressed, a combination of two Yb:KYW crystals had been used, While using the spectral maxima on the amplification shifted relative to each other and with spectral profiling in the amplified radiation.
After air drying and subsequent cleaning that has a cotton cloth soaked in Alcoholic beverages, the movie floor confirmed no signs of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and they are made use of as lasing materials to produce ultrashort (~ a hundred-two hundred fs) high electrical power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser methods.
Tungstates are inclined to obtain higher Raman coefficients (�?Raman scattering). For that reason, they might produce important Raman get at moderate optical intensities. It is possible to use the laser crystal itself to be a Raman converter.
For tungstates, the ytterbium doping concentration can be quite significant without sizeable quenching as the changed ions have a really equivalent ion radius, as well as the inter-ion length is fairly massive.
On the other hand, after Nd3+:YAG turned commercially obtainable, the curiosity in CaWO4 dropped sharply. In afterwards decades, selected other tungstate crystals started to bring in loads of awareness.
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Li2WO4-WO3 flux was successfully utilized lessening The expansion temperature below 900 oC. In keeping with solitary crystal x-ray measurements, the crystal corresponds to your P2/n space team.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison to its counterpart Yb:KGW, is actually a amazing material that plays an essential click here function in laser technology. Its Principal purpose should be to produce ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
Check with RP Photonics for just about any suggestions concerning tungstate lasers, such as femtosecond lasers and high-electric power lasers.