5 Simple Statements About KYW Crystal Explained
5 Simple Statements About KYW Crystal Explained
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In simple conditions, the Yb:KYW crystal has found its niche in high-energy laser applications because of its ability to generate superior Strength ultrashort laser pulses whilst sustaining a compact dimensions. The interplay of its attributes �?seamless ytterbium substitution, powerful absorption characteristics, ultrashort pulse technology and efficiency in Electrical power conversion �?positions the Yb:KYW crystal being a cornerstone within the laser technologies, masking diverse fields ranging from scientific exploration to industrial applications.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, can be a extraordinary product that plays a crucial position in laser technologies. Its Main perform is always to create ultrashort pulses of light, spanning just some hundred femtoseconds.
We present a twin-crystal Yb:KGW laserthat iscapable to work being a Q-switched oscillator with output ability up to 24 W and pulse length of 20 ns,or like a regenerative amplifier with output electricity approximately 21 W and pulse length beneath 200 fs after compression of chirped pulses. Both of those lasers have exceptional beam top quality with beam parameter M2
Color-coded reflectivity of the Bragg mirror being a operate of wavelength and angle of your incident beam.
Optical layout of the laser with direct pumping with the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output in the radiation, WP is a 50 percent-wave plate, CL is really a collimating lens, FL is usually a focusing lens, AE is really an active factor comprised of an Yb:KYW crystal, DM is actually a spherical dichroic mirror, M1-M6 are definitely the cavity mirrors, OC would be the output mirror, and SAM is a semiconductor saturable-absorber mirror.
Right before the development of Nd:YAG, Nd3+:CaWO4 was an important scarce-earth-doped laser get medium. It was the truth is Employed in the very first continually running crystal laser.
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Spatial construction with the beam along with the corresponding depth profiles I on the output from the laser.
For tungstates, the ytterbium doping concentration can be very large without the need of major quenching since the replaced ions have a really comparable ion radius, plus the inter-ion length is relatively huge.
Substantial-power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical apps
Though ytterbium-doped laser gain media generally show a little quantum defect, ytterbium-doped tungstates allow for for significantly smaller values. Such as, a 1030-nm Yb:YAG laser would Ordinarily be pumped all over 940 nm, While Yb:KGW or Yb:KYW may be most effectively pumped get more info about 981 nm.
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At the same time, a shorter laser wavelength is usually received; it is possible to operate which has a quantum defect very well beneath one%. As being a consequence, the warmth technology could be so small that this partly compensates the lessen thermal conductivity.