5 Tips about KYW Crystal You Can Use Today

The gain bandwidth e.g. of Yb:KGW and Yb:KYW is quite substantial compared with that of Yb:YAG. This allows for huge wavelength tunability and for Considerably shorter pulse durations from mode-locked lasers. Values perfectly underneath 100 fs happen to be accomplished with passive manner locking.

The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, is usually a outstanding material that plays a very important job in laser engineering. Its Most important purpose is always to make ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.

We existing a dual-crystal Yb:KGW laserthat iscapable to work being a Q-switched oscillator with output electrical power nearly 24 W and pulse length of 20 ns,or as a regenerative amplifier with output electrical power nearly 21 W and pulse duration beneath two hundred fs right after compression of chirped pulses. Both lasers have exceptional beam quality with beam parameter M2

The absorption and emission spectra of Yb:KYW Crystals Screen solid peaks at 980 nm and 1030 nm, respectively, ensuring economical Electrical power conversion and large general performance in laser devices.

Optical format of a laser with direct pumping Together with the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output of your radiation, WP is usually a 50 %-wave plate, CL is usually a collimating lens, FL is actually a focusing lens, AE is definitely an active element produced from an Yb:KYW crystal, DM is really a spherical dichroic mirror, M1-M6 will be the cavity mirrors, OC will be the output mirror, and SAM is really a semiconductor saturable-absorber mirror.

Before the development of Nd:YAG, Nd3+:CaWO4 was a vital uncommon-earth-doped laser achieve medium. It absolutely was in reality Utilized in the first continually functioning crystal laser.

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Tungstates are inclined to acquire large Raman coefficients (�?Raman scattering). Thus, they might create major Raman attain at average optical intensities. It is possible to use the laser crystal itself like a Raman converter.

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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW as a result of similar sizes of those chemical aspects up to 100% of Yb-doping may very well be attained.

Though ytterbium-doped laser acquire media generally exhibit a little quantum defect, ytterbium-doped tungstates allow for for particularly tiny values. By way of example, a 1030-nm Yb:YAG laser would Ordinarily be pumped around 940 nm, Whilst Yb:KGW KYW Crystal or Yb:KYW can be most efficiently pumped around 981 nm.

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