KYW Crystal No Further a Mystery
KYW Crystal No Further a Mystery
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, is usually a extraordinary substance that plays an essential role in laser technology. Its Key operate is always to produce ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
Femtosecond laser determined by Yb:KYW crystals with suppression of spectral narrowing in a very regenerative amplifier by spectral profiling of the heartbeat
Shade-coded reflectivity of the Bragg mirror to be a function of wavelength and angle in the incident beam.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW because of the related dimensions of such chemical components around one hundred% of Yb-doping may be obtained. This unique attribute permits ytterbium to take the place of yttrium with virtually no disruption to the crystal’s lattice.
Adhesion Exam Compliant with MIL-C-675C army expectations, an adhesion take a look at involved applying a tape that meets LT-90 specifications onto the lens film layer. The tape was affixed fully then taken off vertically. This course of action was executed thrice, leading to no blistering or peeling.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and so are utilised as lasing resources to create ultrashort (~ 100-two hundred fs) substantial electrical power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes functioning at 981 nm supports compact laser devices.
A substantial brightnessQ-switched oscillator and regenerative amplifier based upon a twin-crystal Yb:KGW laser
... at 50 %-top have been generated inside a learn oscillator with selfsynchronization with the axial modes, described in our before report. 21 The new version of your laser, contrary to that described inside our previously article, applied an Yb:KYW crystal using an N pcut (optical axis N p of your index ellipsoid was parallel into the propagation route of the laser radiation), Along with the polarization from the created radiation directed together the N m axis.
Nevertheless, after Nd3+:YAG turned commercially accessible, the curiosity in CaWO4 dropped sharply. In later on several years, selected other tungstate crystals began to attract plenty of consideration.
Whilst ytterbium-doped laser obtain media normally show a small quantum defect, ytterbium-doped tungstates let for specially smaller values. Such as, a 1030-nm Yb:YAG laser would Ordinarily be pumped all-around 940 nm, more info Whilst Yb:KGW or Yb:KYW may very well be most competently pumped all over 981 nm.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, can be a impressive content that plays an essential role in laser technologies. Its primary functionality will be to create ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Ask RP Photonics for almost any guidance relating to tungstate lasers, which includes femtosecond lasers and large-energy lasers.