Considerations To Know 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 extraordinary content that performs a crucial purpose in laser technologies. Its Principal functionality would be to make ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.

time. Crystals on the compound melts congruently at 1007 oC, nevertheless soften crystallization of high quality crystal is unattainable as a consequence of stage changeover at ~920 oC. The top seeded Option process from

The absorption and emission spectra of Yb:KYW Crystals Show solid peaks at 980 nm and 1030 nm, respectively, making sure effective energy conversion and high efficiency in laser methods.

Optical format of a laser with direct pumping Using the radiation of semiconductor injection lasers. LD can be an IPG Photonics laser diode with fiber output from the radiation, WP is usually a 50 %-wave plate, CL is often a collimating lens, FL is actually a concentrating lens, AE is definitely an Lively factor made from an Yb:KYW crystal, DM is often a spherical dichroic mirror, M1-M6 are the cavity mirrors, OC is definitely the output mirror, and SAM is really a semiconductor saturable-absorber mirror.

The monoclinic crystal buildings brings about a purely natural birefringence, assisting to avoid thermally induced polarization rotation and depolarization decline.

PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and are used as lasing materials to generate ultrashort (~ 100-two hundred fs) superior electric power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser techniques.

Spatial construction in the beam along with the corresponding depth profiles I on the output with the laser.

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Nonetheless, after Nd3+:YAG turned commercially out there, the interest in CaWO4 dropped sharply. In later many years, selected other tungstate crystals began to attract a great deal of attention.

Although ytterbium-doped laser obtain media usually show a small quantum defect, ytterbium-doped tungstates enable for especially little values. Such as, a 1030-nm Yb:YAG laser would Typically be pumped all-around 940 nm, whereas Yb:KGW or Yb:KYW may be most efficiently pumped close to 981 nm.

Li2WO4-WO3 flux was successfully applied lowering The expansion temperature underneath 900 oC. In keeping with single crystal x-ray measurements, the crystal corresponds on the P2/n Place team.

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Talk to RP Photonics for just about any information concerning tungstate lasers, together with femtosecond lasers and higher-electricity lasers.