New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is a impressive substance that performs a crucial position in laser technological know-how. Its Main operate should be to generate ultrashort pulses of light, spanning only a few hundred femtoseconds.
time. Crystals with the compound melts congruently at 1007 oC, nevertheless soften crystallization of high quality crystal is unattainable due to period transition at ~920 oC. The top seeded Answer method from
The absorption and emission spectra of Yb:KYW Crystals Display screen sturdy peaks at 980 nm and 1030 nm, respectively, making sure productive energy conversion and substantial overall performance in laser units.
Ultrafast lasers, with pulse widths of a few picoseconds (ten−twelve s) or a lot less, help enough time resolution demanded in laser-psyched fluorescence life span spectroscopy and imaging methods.In addition, they produce substantial pulse peak powers at superior repetition rates and moderate common output powers.
The monoclinic crystal buildings leads to a pure birefringence, assisting to avoid thermally induced polarization rotation and depolarization loss.
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Spatial construction in the beam along with the corresponding intensity profiles I on the output in the laser.
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... Not merely the situation of crystal from the cavity and also the amplification axis of crystal has an effect on the laser operation greatly, as the absorption and emission cross click here sections of your crystal are pretty distinctive in accordance with the orientation with the crystal.
The thermal conductivity of popular double tungstates is from the get to three–4 W/(K m) �?which isn't undesirable when compared with other laser crystals (Even though various periods less than for YAG), and rather large in contrast Along with the thermal conductivity of regular glasses.
Li2WO4-WO3 flux was successfully utilized lessening the growth temperature underneath 900 oC. According to solitary crystal x-ray measurements, the crystal corresponds into the P2/n space group.
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