Getting My KYW Crystal To Work
Getting My KYW Crystal To Work
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, is often a remarkable content that plays a significant role in laser technological innovation. Its Key functionality is to produce ultrashort pulses of light, spanning only a few hundred femtoseconds.
The Yb:KYW crystal’s proficiency in mild absorption at about 981 nm makes the crystal compatible for diode pumping. It really is further Improved by its extraordinary effectiveness in this process, coupled with its low quantum defect.
FIG. 4. Autocorrelation functionality of the heartbeat 共a兲and spectrum 共b兲of the laser with an oblong Energetic component for an output power of 700 mW. The width of
Optical layout of the laser with direct pumping While using the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output in the radiation, WP is a half-wave plate, CL is usually a collimating lens, FL is actually a concentrating lens, AE is definitely an Energetic ingredient created from an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 are definitely the cavity mirrors, OC would be the output mirror, and SAM is usually a semiconductor saturable-absorber mirror.
The monoclinic crystal constructions KYW Crystal ends in a pure birefringence, helping to stay away from thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra expose optical options owing towards the presence of thulium ions, and for that reason the products might be more analyzed while in the scope of laser and luminescence applications.
Spatial composition in the beam plus the corresponding intensity profiles I within the output in the laser.
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Substantial-power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical programs
Whilst ytterbium-doped laser obtain media frequently show a little quantum defect, ytterbium-doped tungstates allow for especially tiny values. By way of example, a 1030-nm Yb:YAG laser would Commonly be pumped all over 940 nm, While Yb:KGW or Yb:KYW may be most successfully pumped all around 981 nm.
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Talk to RP Photonics for just about any guidance relating to tungstate lasers, which includes femtosecond lasers and high-electric power lasers.