Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW is rather massive compared with that of Yb:YAG. This enables for huge wavelength tunability and for Significantly shorter pulse durations from method-locked lasers. Values perfectly under 100 fs have already been obtained with passive mode locking.
This exceptional characteristic of ultrafast pulses enables nonlinear optical conversation with tissue at reduced In general exposure, and drives applications for instance deep-tissue multiphoton microscopy and large-precision eye surgical procedures
We current a dual-crystal Yb:KGW laserthat iscapable to operate like a Q-switched oscillator with output electricity approximately 24 W and pulse size of 20 ns,or like a regenerative amplifier with output electrical power around 21 W and pulse period beneath 200 fs immediately after compression of chirped pulses. Both equally lasers have excellent beam quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Display screen potent peaks at 980 nm and 1030 nm, respectively, guaranteeing effective Vitality conversion and significant effectiveness in laser units.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW because of the identical sizes of these chemical components approximately one hundred% of Yb-doping may very well be obtained. This unique attribute permits ytterbium to go ahead and take position of yttrium with just about no disruption to your crystal’s lattice.
The monoclinic crystal structures results in a all-natural birefringence, helping to avoid thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra reveal optical functions owing on the existence of thulium ions, and therefore the supplies could possibly be more researched from the scope of laser and luminescence apps.
Spatial structure of the beam and the corresponding intensity profiles I on the output from the laser.
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... Not simply the situation of crystal from the cavity but will also the amplification axis of crystal has an effect on the laser Procedure considerably, since the absorption and emission cross sections in the crystal are very diverse according to the orientation of the crystal.
The thermal conductivity of typical double tungstates is in the buy to 3–4 W/(K m) �?which is not bad compared with other laser crystals (although numerous situations less than for YAG), and reasonably big as opposed While using the thermal conductivity of regular Eyeglasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, is a remarkable check here product that performs a crucial part in laser technologies. Its primary functionality is usually to produce ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
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