KYW Crystal Secrets
KYW Crystal Secrets
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In functional terms, the Yb:KYW crystal has found its specialized niche in high-power laser purposes due to its capability to create superior Electricity ultrashort laser pulses when keeping a compact size. The interaction of its options �?seamless ytterbium substitution, strong absorption features, ultrashort pulse generation and performance in Strength conversion �?positions the Yb:KYW crystal to be a cornerstone inside the laser technology, covering diverse fields ranging from scientific research to industrial programs.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, is actually a outstanding materials that plays a crucial position in laser technological know-how. Its Main functionality should be to produce ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Femtosecond laser according to Yb:KYW crystals with suppression of spectral narrowing inside a regenerative amplifier by spectral profiling of the heart beat
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW due to the identical measurements of such chemical elements up to a hundred% of Yb-doping may be obtained. This special attribute permits ytterbium to go ahead and take position of yttrium with just about no disruption for the crystal’s lattice.
Adhesion Examination Compliant with MIL-C-675C military benchmarks, an adhesion exam associated making use of a tape that satisfies LT-90 technical specs onto the lens film layer. The tape was affixed thoroughly after which you can removed vertically. This course of action was done 3 times, resulting in no blistering or peeling.
FIG. 1. Optical format of the laser with direct pumping Along with the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output
five mm besides the middle with the beam caustic. In order to Examine the mode matching simulation, we performed the experiment with Ng-Slice crystal oscillator, which was made Earlier and in a very same problem with simulation [11]. As demonstrated in Figure 3(b) with purple dots and line, the CW output electricity is extremely dependent on the placement of laser crystal as well as the experimental result coincides nicely with simulation result. Being a Be aware, multimode Procedure happened in experiment in the event the sizing on the pump beam is larger than TEM00 cavity method and it results in better CW output electrical power in the displacement location under 3.five mm.
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By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to the identical measurements of these chemical aspects as many as 100% of Yb-doping could possibly be realized.
The thermal conductivity of widespread double tungstates is in the get to 3–4 W/(K m) �?which is not lousy as opposed with other laser crystals (although various times less than for YAG), and pretty big in contrast While using the thermal conductivity of standard glasses.
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