Getting My KYW Crystal To Work
Getting My KYW Crystal To Work
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, is usually a exceptional product that plays a crucial purpose in laser technologies. Its Major purpose would be to create ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
We current a dual-crystal Yb:KGW laserthat iscapable to work as a Q-switched oscillator with output electricity around 24 W and pulse length of twenty ns,or to be a regenerative amplifier with output electric power as much as 21 W and pulse duration under 200 fs soon after compression of chirped pulses. The two lasers have outstanding beam quality with beam parameter M2
Shade-coded reflectivity of the Bragg mirror being a function of wavelength and angle with the incident beam.
This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with direct longitudinal pumping by impressive linear arrays of semiconductor injection lasers obtaining fiber output. To forestall spectral narrowing throughout amplification and the corresponding lengthening with the amplified pulse when it really is compressed, a combination of two Yb:KYW crystals were being employed, With all the spectral maxima of the amplification shifted relative to one another and with spectral profiling in the amplified radiation.
Just before the event of Nd:YAG, Nd3+:CaWO4 was a very important rare-earth-doped laser get medium. It absolutely was in actual fact Employed in the first consistently functioning crystal laser.
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Spatial construction of the beam as well as corresponding intensity profiles I at the output from the laser.
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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW because of the very similar measurements of these chemical things around one hundred% of Yb-doping could be achieved.
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