The smart Trick of KYW Crystal That No One is Discussing
The smart Trick of KYW Crystal That No One is Discussing
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW may be very substantial in contrast with that of Yb:YAG. This allows for large wavelength tunability and for Considerably shorter pulse durations from mode-locked lasers. Values effectively under 100 fs are already obtained with passive method locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, is usually a amazing product that performs an essential job in laser technological innovation. Its Major purpose is usually to create ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
time. Crystals of the compound melts congruently at 1007 oC, nevertheless melt crystallization of top of the range crystal is impossible due to section changeover at ~920 oC. The very best seeded Answer technique from
Coloration-coded reflectivity of the Bragg mirror to be a function of wavelength and angle of the incident beam.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW as a result of very similar measurements of these chemical elements up to a hundred% of Yb-doping could be attained. This one of a kind characteristic permits ytterbium to take the area of yttrium with nearly no disruption to the crystal’s lattice.
Right before the event of Nd:YAG, Nd3+:CaWO4 was an important rare-earth-doped laser get medium. It had been in fact Utilized in the first constantly functioning crystal laser.
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Tungstates tend to obtain higher Raman coefficients (�?Raman scattering). Hence, they are able to deliver significant Raman attain at reasonable optical intensities. It can be done to utilize the laser crystal alone like a Raman converter.
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... Don't just the posture of crystal in the cavity but additionally the amplification axis of crystal affects the laser Procedure greatly, as the absorption and emission cross sections with the crystal are rather distinctive in accordance with the orientation with the crystal.
While ytterbium-doped laser gain media typically exhibit a small quantum defect, ytterbium-doped tungstates permit for specifically little values. As an example, a 1030-nm Yb:YAG laser would Typically be pumped about 940 nm, whereas Yb:KGW or Yb:KYW can be most successfully pumped all around 981 nm.
Li2WO4-WO3 flux was properly used decreasing the growth temperature beneath 900 oC. As outlined by one crystal x-ray measurements, the crystal corresponds into the P2/n space group.
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Inquire RP Photonics for virtually any suggestions about tungstate lasers, like femtosecond lasers and website high-electricity lasers.