5 Simple Statements About KYW Crystal Explained
5 Simple Statements About KYW Crystal Explained
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In realistic phrases, the Yb:KYW crystal has discovered its specialized niche in superior-ability laser apps because of its ability to produce substantial Vitality ultrashort laser pulses though sustaining a compact size. The interaction of its features �?seamless ytterbium substitution, potent absorption features, ultrashort pulse generation and efficiency in Vitality conversion �?positions the Yb:KYW crystal for a cornerstone inside the laser technologies, covering numerous fields starting from scientific investigate to industrial applications.
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We existing a dual-crystal Yb:KGW laserthat iscapable to operate as a Q-switched oscillator with output electric power around 24 W and pulse size of twenty ns,or as being a regenerative amplifier with output ability up to 21 W and pulse length under 200 fs after compression of chirped pulses. Both lasers have outstanding beam excellent with beam parameter M2
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW mainly because of the identical dimensions of such chemical factors around one hundred% of Yb-doping could be reached. This exceptional characteristic permits ytterbium to go ahead and take location of yttrium with just about no disruption on the crystal’s lattice.
Adhesion Examination Compliant with MIL-C-675C armed forces expectations, an adhesion check involved making use of a tape that meets LT-90 specifications on to the lens film layer. The tape was affixed entirely and afterwards taken off vertically. This treatment was performed thrice, resulting in no blistering or peeling.
FIG. one. Optical structure of the laser with immediate pumping with the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output
A higher brightnessQ-switched oscillator and regenerative amplifier based on a dual-crystal Yb:KGW laser
For tungstates, the ytterbium doping focus can be very high devoid of considerable quenching as the changed ions more info have an extremely related ion radius, along with the inter-ion distance is comparatively massive.
However, when Nd3+:YAG became commercially available, the fascination in CaWO4 dropped sharply. In later on decades, certain other tungstate crystals started to catch the attention of a great deal of notice.
Although ytterbium-doped laser achieve media commonly exhibit a small quantum defect, ytterbium-doped tungstates let for specially compact values. As an example, a 1030-nm Yb:YAG laser would Usually be pumped about 940 nm, Whilst Yb:KGW or Yb:KYW may very well be most effectively pumped close to 981 nm.
This tandem of attributes has considerably-achieving implications, specially in the construction of compact but powerfull lasers.
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Ask RP Photonics for any advice about tungstate lasers, together with femtosecond lasers and superior-ability lasers.