An Unbiased View of KYW Crystal
An Unbiased View of KYW Crystal
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The get bandwidth e.g. of Yb:KGW and Yb:KYW is extremely huge in comparison with that of Yb:YAG. This allows for broad wavelength tunability and for A great deal shorter pulse durations from manner-locked lasers. Values nicely beneath 100 fs have been reached with passive method locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, is usually a outstanding substance that plays a crucial role in laser technologies. Its Most important operate is usually to deliver ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
The Yb:KYW crystal’s proficiency in light absorption at around 981 nm will make the crystal well matched for diode pumping. It really is more Increased by its exceptional performance in this process, coupled with its small quantum defect.
FIG. four. Autocorrelation function of the pulse 共a兲and spectrum 共b兲of a laser with an oblong active element for an output power of 700 mW. The width of
This paper describes a femtosecond laser regenerative amplifier determined by two Yb:KYW crystals with direct longitudinal pumping by strong linear arrays of semiconductor injection lasers possessing fiber output. To circumvent spectral narrowing during amplification along with the corresponding lengthening on the amplified pulse when it can be compressed, a mix of two Yb:KYW crystals have been made use of, While using the spectral maxima with the amplification shifted relative to each other and with spectral profiling of your amplified radiation.
The monoclinic crystal structures brings about a normal birefringence, assisting to stay clear of thermally induced polarization rotation and depolarization decline.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and therefore are applied as lasing supplies to create ultrashort (~ a hundred-200 fs) higher energy pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser techniques.
A superior brightnessQ-switched oscillator and regenerative amplifier based upon a dual-crystal Yb:KGW laser
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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW a result of the related measurements of such chemical elements up to a hundred% of Yb-doping could possibly be obtained.
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Li2WO4-WO3 flux was effectively used minimizing The expansion temperature underneath 900 oC. According to single crystal x-ray measurements, the crystal corresponds on the P2/n Area group.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is really a remarkable material that plays an essential job in laser technology. Its Major function should be to make ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
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