New Step by Step Map For KYW Crystal

New Step by Step Map For KYW Crystal

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We current a twin-crystal Yb:KGW laserthat iscapable to work being a Q-switched oscillator with output ability up to 24 W and pulse duration of twenty ns,or for a regenerative amplifier with output electric power around 21 W and pulse period underneath two hundred fs soon after compression of chirped pulses. Both equally lasers have great beam good quality with beam parameter M2

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This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with immediate longitudinal pumping by highly effective linear arrays of semiconductor injection lasers getting fiber output. To circumvent spectral narrowing for the duration of amplification and also the corresponding lengthening with the amplified pulse when it really is compressed, a mix of two Yb:KYW crystals had been applied, Using the spectral maxima on the amplification shifted relative to one another and with spectral profiling of the amplified radiation.

Right after air drying and subsequent cleaning by using a cotton fabric soaked in Alcoholic beverages, the film surface showed no signs of peeling or scratches.

PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and therefore are used as lasing resources to produce ultrashort (~ a hundred-200 fs) significant energy pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes functioning at 981 nm supports compact laser methods.

five mm besides the center with the beam caustic. In an effort to check the method matching simulation, we performed the experiment with Ng-Minimize crystal oscillator, which was created Beforehand and in a similar ailment with simulation [11]. As demonstrated in Determine three(b) with crimson dots and line, the CW output electric power is highly dependent on the placement of laser crystal as well as experimental outcome coincides properly with simulation consequence. As a Be aware, multimode operation occurred in experiment once the measurement with the pump beam is larger than TEM00 cavity mode and it leads to larger CW output electricity while in the displacement area under 3.five mm.

For tungstates, the ytterbium doping focus can be quite superior without the need of significant quenching because the replaced ions have an incredibly equivalent ion radius, as well as inter-ion length is KYW Crystal fairly substantial.

Large-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical apps

While ytterbium-doped laser gain media generally show a small quantum defect, ytterbium-doped tungstates enable for notably tiny values. As an example, a 1030-nm Yb:YAG laser would Usually be pumped about 940 nm, Whilst Yb:KGW or Yb:KYW may be most effectively pumped around 981 nm.

This tandem of attributes has significantly-achieving implications, particularly in the construction of compact but powerfull lasers.

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Inquire RP Photonics for almost any guidance relating to tungstate lasers, such as femtosecond lasers and significant-energy lasers.