Getting My KYW Crystal To Work
Getting My KYW Crystal To Work
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In functional phrases, the Yb:KYW crystal has located its market in higher-electrical power laser programs due to its ability to produce substantial Electrical power ultrashort laser pulses though protecting a compact sizing. The interaction of its capabilities �?seamless ytterbium substitution, powerful absorption attributes, ultrashort pulse generation and performance in Vitality conversion �?positions the Yb:KYW crystal for a cornerstone inside the laser technologies, masking various fields starting from scientific research to industrial apps.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, can be a impressive material that performs an important purpose in laser know-how. Its Key operate will be to make ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
We existing a dual-crystal Yb:KGW laserthat iscapable to operate to be a Q-switched oscillator with output energy nearly 24 W and pulse size of 20 ns,or to be a regenerative amplifier with output electric power up to 21 W and pulse duration below two hundred fs after compression of chirped pulses. Both lasers have fantastic beam excellent with beam parameter M2
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW a result of the very similar dimensions of such chemical elements as many as a hundred% of Yb-doping could be accomplished. This exclusive characteristic permits ytterbium to take the area of yttrium with almost no disruption to your crystal’s lattice.
Adhesion Examination Compliant with MIL-C-675C armed forces criteria, an adhesion test concerned making use of a tape that fulfills LT-90 requirements onto the lens film layer. The tape was affixed completely then taken off vertically. This technique was done 3 times, resulting in no blistering or peeling.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and they are utilised as lasing components to create ultrashort (~ 100-two hundred fs) substantial electrical power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes functioning at 981 nm supports compact laser programs.
A higher brightnessQ-switched oscillator and regenerative amplifier determined by a dual-crystal Yb:KGW laser
For tungstates, the ytterbium doping focus can be very higher with no important quenching since the changed ions have a very comparable ion click here radius, along with the inter-ion length is pretty large.
Nevertheless, once Nd3+:YAG became commercially readily available, the interest in CaWO4 dropped sharply. In later several years, certain other tungstate crystals started to appeal to many attention.
The thermal conductivity of common double tungstates is with the purchase to three–4 W/(K m) �?which isn't negative compared with other laser crystals (While a number of situations under for YAG), and quite huge as opposed Using the thermal conductivity of normal glasses.
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