The smart Trick of KYW Crystal That Nobody is Discussing
The smart Trick of KYW Crystal That Nobody is Discussing
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, is actually a amazing material that performs a significant purpose in laser technological innovation. Its primary function will be to produce ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
We existing a dual-crystal Yb:KGW laserthat iscapable to work being a Q-switched oscillator with output electrical power up to 24 W and pulse duration of twenty ns,or like a regenerative amplifier with output energy up to 21 W and pulse length below 200 fs soon after compression of chirped pulses. The two lasers have outstanding beam high quality with beam parameter M2
Coloration-coded reflectivity of a Bragg mirror as being a function of wavelength and angle of your incident beam.
This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by highly effective linear arrays of semiconductor injection lasers possessing fiber output. To forestall spectral narrowing throughout amplification as well as corresponding lengthening from the amplified pulse when it can be compressed, a combination of two Yb:KYW crystals were employed, While using the spectral maxima on the amplification shifted relative to each other and with spectral profiling on the amplified radiation.
Ahead of the event of Nd:YAG, Nd3+:CaWO4 was a very important exceptional-earth-doped laser attain medium. It was the truth is used in the very first consistently running crystal laser.
FIG. one. Optical structure of the laser with immediate pumping Together with the radiation of semiconductor injection lasers. LD can be an IPG Photonics laser diode with fiber output
A significant brightnessQ-switched oscillator and regenerative amplifier based on a twin-crystal click here Yb:KGW laser
For tungstates, the ytterbium doping concentration can be very large devoid of major quenching as the replaced ions have an exceedingly similar ion radius, and also the inter-ion distance is pretty huge.
Large-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical purposes
Although ytterbium-doped laser obtain media typically exhibit a little quantum defect, ytterbium-doped tungstates allow for for particularly modest values. For example, a 1030-nm Yb:YAG laser would Typically be pumped all-around 940 nm, whereas Yb:KGW or Yb:KYW can be most efficiently pumped close to 981 nm.
Li2WO4-WO3 flux was correctly utilized decreasing the growth temperature below 900 oC. Based on one crystal x-ray measurements, the crystal corresponds for the P2/n Place team.
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