Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The get bandwidth e.g. of Yb:KGW and Yb:KYW is extremely massive as opposed with that of Yb:YAG. This allows for broad wavelength tunability and for Substantially shorter pulse durations from manner-locked lasers. Values nicely beneath one hundred fs are already obtained with passive manner locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, can be a extraordinary material that performs an essential part in laser technological innovation. Its Principal purpose is usually to make ultrashort pulses of light, spanning just a few hundred femtoseconds.
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing within a regenerative amplifier by spectral profiling of the heart beat
FIG. 4. Autocorrelation functionality of the heart beat 共a兲and spectrum 共b兲of the laser with a rectangular active component for an output electrical power of seven-hundred mW. The width of
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW a result of the identical sizes of these chemical components around one hundred% of Yb-doping may be realized. This one of a kind attribute permits ytterbium to go ahead and take position of yttrium with just about no disruption on the crystal’s lattice.
Right after air drying and subsequent cleansing with a cotton cloth soaked in Alcoholic beverages, the movie surface area confirmed no signs of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and are made use of as lasing materials to generate ultrashort (~ a hundred-200 fs) high ability pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser systems.
five mm other than the center of the beam caustic. In order to check the manner matching simulation, we carried out the experiment with Ng-Reduce crystal oscillator, which was created Beforehand and in a exact same ailment with simulation [eleven]. As shown in Determine 3(b) with pink dots and line, the CW output electric power is highly depending on the placement of laser crystal plus the experimental outcome coincides perfectly with simulation end result. As a Notice, multimode Procedure occurred in experiment if the size from the pump beam is larger sized than TEM00 cavity mode and it brings about higher CW output electrical power from the displacement region under three.five mm.
For tungstates, the ytterbium doping focus can be very substantial with out major quenching because the replaced ions have an exceptionally similar ion radius, along with the inter-ion length is relatively huge.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW as a result of similar measurements of these chemical aspects as much as a hundred% of Yb-doping could possibly be attained.
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Request RP Photonics for any assistance regarding tungstate lasers, including femtosecond lasers and significant-electricity lasers.