5 Tips about KYW Crystal You Can Use Today
5 Tips about KYW Crystal You Can Use Today
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, is often a remarkable content that performs an important part in laser know-how. Its Main operate will be to deliver ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
We present a twin-crystal Yb:KGW laserthat iscapable to function like a Q-switched oscillator with output electrical power up to 24 W and pulse duration of twenty ns,or being a regenerative amplifier with output electricity as much as 21 W and pulse period underneath 200 fs right after compression of chirped pulses. Both lasers have fantastic beam excellent with beam parameter M2
FIG. four. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Lively factor for an output ability of seven hundred mW. The width of
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW because of the similar measurements of those chemical things around a hundred% of Yb-doping may be reached. This distinctive characteristic permits ytterbium to take the place of yttrium with almost no disruption on the crystal’s lattice.
The monoclinic crystal structures brings about a all-natural birefringence, helping to stay away from thermally induced polarization rotation and depolarization reduction.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and so are applied as lasing materials to generate ultrashort (~ 100-two hundred fs) high power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser devices.
Tungstates tend to possess large Raman coefficients (�?Raman scattering). Thus, they can generate major Raman get at average optical intensities. It can be done to utilize the laser crystal alone as a Raman converter.
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW as a result of comparable sizes of such chemical aspects approximately 100% of Yb-doping could be obtained.
The thermal conductivity of prevalent double tungstates is on the purchase to three–four W/(K m) �?which is not lousy in comparison with other laser crystals (although various moments lower than for YAG), and quite substantial in contrast more info with the thermal conductivity of usual glasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is a extraordinary product that performs a vital position in laser technologies. Its primary functionality will be to create ultrashort pulses of light, spanning just some hundred femtoseconds.
Inquire RP Photonics for virtually any tips concerning tungstate lasers, which include femtosecond lasers and large-ability lasers.