In useful terms, the Yb:KYW crystal has found its specialized niche in significant-electricity laser programs because of its ability to crank out substantial Vitality ultrashort laser pulses while retaining a compact measurement. The interaction of its capabilities �?seamless ytterbium substitution, robust absorption characteristics, ultrashort pulse era and efficiency in Electrical power conversion �?positions the Yb:KYW crystal like a cornerstone in the laser technology, covering various fields starting from scientific research to industrial programs.
This unique attribute of ultrafast pulses allows nonlinear optical interaction with tissue at minimal Total publicity, and drives programs such as deep-tissue multiphoton microscopy and large-precision eye surgical procedures
time. Crystals on the compound melts congruently at 1007 oC, nevertheless soften crystallization of top quality crystal is not possible as a consequence of stage transition at ~920 oC. The highest seeded Answer method from
Shade-coded reflectivity of a Bragg mirror for a perform of wavelength and angle with the incident beam.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW because of the similar dimensions of those chemical components nearly one hundred% of Yb-doping could possibly be accomplished. This one of a kind characteristic permits ytterbium to take the area of yttrium with practically no disruption into the crystal’s lattice.
Just after air drying and subsequent cleaning that has a cotton cloth soaked in Liquor, the movie area showed no signs of peeling or scratches.
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5 mm in addition to the center of the beam caustic. As a way to Test the method matching simulation, we carried out the experiment with Ng-Minimize crystal oscillator, which was designed Formerly As well as in a exact ailment with simulation [11]. As shown in Determine three(b) with red dots and line, the CW output ability is extremely dependent on the place of laser crystal as well as experimental consequence coincides properly with simulation result. As being a note, multimode Procedure happened in experiment once the sizing in the pump beam is more substantial than TEM00 cavity manner and it causes larger CW output ability from the displacement region beneath three.5 mm.
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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW mainly because of the equivalent dimensions of such chemical aspects nearly 100% of Yb-doping may very well be achieved.
Although ytterbium-doped laser attain media commonly exhibit a little quantum defect, ytterbium-doped tungstates let for particularly little values. Such as, a 1030-nm Yb:YAG laser would Commonly be pumped around 940 nm, whereas Yb:KGW or Yb:KYW may very well be most efficiently pumped all around 981 nm.
Li2WO4-WO3 flux was productively applied lessening The expansion temperature down below 900 oC. In line with one crystal x-ray measurements, the crystal corresponds towards the P2/n Room team.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is actually a amazing substance that performs an essential part in laser technological innovation. Its Principal functionality is usually to create ultrashort pulses of light, spanning only a few hundred femtoseconds.
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