Rumored Buzz on KYW Crystal
EKSMA Optics utilizes cookies to supply you with the greatest buying expertise. In case you carry on to use our products and services, We'll assume that you choose to agree to the use of these kinds of cookies.The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is often a impressive substance that plays a crucial job in laser technological know-how. Its Key operate would be to create ultrashort pulses of light, spanning just some hundred femtoseconds.
time. Crystals in the compound melts congruently at 1007 oC, having said that melt crystallization of high quality crystal is impossible on account of section changeover at ~920 oC. The top seeded Remedy system from
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This paper describes a femtosecond laser regenerative amplifier based on two Yb:KYW crystals with immediate longitudinal pumping by strong linear arrays of semiconductor injection lasers owning fiber output. To forestall spectral narrowing in the course of amplification as well as corresponding lengthening on the amplified pulse when it really is compressed, a mix of two Yb:KYW crystals were being made use of, With all the spectral maxima in the amplification shifted relative to each other and with spectral profiling in click here the amplified radiation.
The monoclinic crystal structures brings about a organic birefringence, helping to prevent thermally induced polarization rotation and depolarization reduction.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and are applied as lasing resources to create ultrashort (~ one hundred-two hundred fs) higher ability pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser units.
A higher brightnessQ-switched oscillator and regenerative amplifier determined by a twin-crystal Yb:KGW laser
... at fifty percent-height had been generated in the learn oscillator with selfsynchronization from the axial modes, described within our before article. 21 The new version from the laser, compared with that described inside our before article, utilized an Yb:KYW crystal with an N pcut (optical axis N p of the index ellipsoid was parallel for the propagation course with the laser radiation), with the polarization of your created radiation directed alongside the N m axis.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW due to the very similar sizes of these chemical features around a hundred% of Yb-doping may very well be attained.
While ytterbium-doped laser get media generally exhibit a little quantum defect, ytterbium-doped tungstates allow for notably small values. By way of example, a 1030-nm Yb:YAG laser would normally be pumped all over 940 nm, While Yb:KGW or Yb:KYW might be most proficiently pumped about 981 nm.
Li2WO4-WO3 flux was productively applied lessening the growth temperature below 900 oC. According to solitary crystal x-ray measurements, the crystal corresponds to your P2/n Room team.
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