The Ultimate Guide To KYW Crystal
The Ultimate Guide To KYW Crystal
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The attain bandwidth e.g. of Yb:KGW and Yb:KYW is extremely large in contrast with that of Yb:YAG. This enables for extensive wavelength tunability and for Significantly shorter pulse durations from manner-locked lasers. Values effectively down below a hundred fs have already been attained with passive method locking.
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We existing a twin-crystal Yb:KGW laserthat iscapable to work to be a Q-switched oscillator with output power as much as 24 W and pulse length of twenty ns,or to be a regenerative amplifier with output power up to 21 W and pulse period beneath 200 fs after compression of chirped pulses. Both lasers have fantastic beam high-quality with beam parameter M2
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Ultrafast lasers, with pulse widths of some picoseconds (10−12 s) or less, enable some time resolution demanded in laser-psyched fluorescence life span spectroscopy and imaging procedures.Also, they provide higher pulse peak powers at high repetition premiums and reasonable average output powers.
Following air drying and subsequent cleansing having a cotton fabric soaked in Alcoholic beverages, the film floor confirmed no signs of peeling or scratches.
Raman, luminescence and transmission spectra reveal optical characteristics owing on the presence of thulium ions, and thus the materials could be further more studied during the scope of laser and luminescence apps.
5 mm in addition to the center of the beam caustic. So that you can Examine the manner matching simulation, we carried out the experiment with Ng-cut crystal oscillator, which was formulated previously and in a exact issue with simulation [11]. As demonstrated in Figure three(b) with pink dots and line, the CW output electrical power is very depending on the place of laser crystal plus the experimental result coincides effectively with simulation consequence. As a Notice, multimode operation transpired in experiment if the sizing of the pump beam is greater than TEM00 cavity mode and it triggers increased CW output electric power during the displacement location down below three.5 mm.
... at 50 percent-height ended up generated in a very master oscillator with selfsynchronization of your axial modes, explained in our previously article. 21 The new version of the laser, not like that website explained in our previously article, employed an Yb:KYW crystal having an N pcut (optical axis N p in the index ellipsoid was parallel to your propagation direction on the laser radiation), While using the polarization from the produced radiation directed alongside the N m axis.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW as a result of similar measurements of such chemical aspects around a hundred% of Yb-doping could possibly be obtained.
When ytterbium-doped laser get media normally show a small quantum defect, ytterbium-doped tungstates enable for specifically little values. For instance, a 1030-nm Yb:YAG laser would normally be pumped all-around 940 nm, While Yb:KGW or Yb:KYW could possibly be most efficiently pumped all-around 981 nm.
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Question RP Photonics for any assistance concerning tungstate lasers, like femtosecond lasers and high-electricity lasers.