New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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In sensible conditions, the Yb:KYW crystal has uncovered its area of interest in large-energy laser applications as a consequence of its capacity to make higher energy ultrashort laser pulses when keeping a compact dimension. The interplay of its capabilities �?seamless ytterbium substitution, solid absorption features, ultrashort pulse technology and efficiency in Vitality conversion �?positions the Yb:KYW crystal for a cornerstone inside the laser engineering, masking various fields starting from scientific investigation to industrial applications.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, is usually a extraordinary product that plays a significant job in laser engineering. Its Key functionality is always to deliver ultrashort pulses of light, spanning just a few hundred femtoseconds.
We existing a dual-crystal Yb:KGW laserthat iscapable to operate to be a Q-switched oscillator with output electric power approximately 24 W and pulse length of twenty ns,or for a regenerative amplifier with output electrical power up to 21 W and pulse period below two hundred fs right after compression of chirped pulses. Both lasers have great beam good quality with beam parameter M2
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW mainly because of the identical dimensions of those chemical things nearly a hundred% of Yb-doping might be attained. This distinctive attribute permits ytterbium to go ahead and take place of yttrium with nearly no disruption to your crystal’s lattice.
Adhesion Test Compliant with MIL-C-675C military standards, an adhesion check involved implementing a tape that satisfies LT-90 technical specs on to the lens film layer. The tape was affixed absolutely then eliminated vertically. This technique was performed three times, leading to no blistering or peeling.
FIG. 1. Optical layout of the laser with direct pumping Together with the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output
five mm other than the middle on the beam caustic. In order to Check out the manner matching simulation, we carried out the experiment with Ng-Slash crystal oscillator, which was produced Beforehand and in a exact issue with simulation [11]. As revealed in Figure 3(b) with pink dots and line, the CW output energy is extremely depending on the place of laser crystal plus the experimental result coincides effectively with simulation consequence. As a Notice, multimode Procedure happened in experiment when the dimension of your pump beam is larger sized than TEM00 cavity mode and it results in greater CW output electricity during the displacement region beneath 3.5 mm.
For tungstates, the ytterbium doping concentration can be very superior devoid of important quenching because the changed ions have an incredibly equivalent ion radius, and the inter-ion KYW Crystal length is comparatively large.
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to the similar dimensions of those chemical aspects around 100% of Yb-doping might be achieved.
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The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at area temperature were being measured. The emission spectrum and lifetime with the 3 F 4 fired up point out were determined. Using normal and modified Judd–Ofelt theories, the intensity parameters and the radiative lifetimes ended up calculated and good agreement Using the experimental effects was acquired for both of those theories.
Talk to RP Photonics for just about any information regarding tungstate lasers, which includes femtosecond lasers and substantial-electricity lasers.