The Single Best Strategy To Use For KYW Crystal
The Single Best Strategy To Use For KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, can be a amazing product that performs a very important role in laser technologies. Its Main perform would be to produce ultrashort pulses of light, spanning just some hundred femtoseconds.
The Yb:KYW crystal’s proficiency in light absorption at all-around 981 nm helps make the crystal well suited for diode pumping. It really is even more Increased by its extraordinary performance in this method, coupled with its low quantum defect.
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Ultrafast lasers, with pulse widths of some picoseconds (10−twelve s) or a lot less, allow some time resolution essential in laser-thrilled fluorescence life time spectroscopy and imaging methods.In addition, they produce substantial pulse peak powers at high repetition charges and moderate regular output powers.
After air drying and subsequent cleaning which has a cotton fabric soaked in alcohol, the film surface showed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and they are applied as lasing elements to create ultrashort (~ 100-two hundred fs) large ability pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser units.
five mm in addition to the middle in the beam caustic. In an effort to Examine the mode matching simulation, we performed the experiment with Ng-Slash crystal oscillator, which was produced previously As well as in a identical situation with simulation [eleven]. As shown in Determine 3(b) with purple dots and line, the CW output electrical power is very depending on the situation of laser crystal and the experimental outcome coincides perfectly with simulation end result. To be a Notice, multimode Procedure occurred in experiment if the dimensions of the pump beam is more substantial than TEM00 cavity manner and it causes increased CW output ability while in the displacement region under 3.five mm.
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By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW as a result of identical dimensions of such chemical components around one hundred% of Yb-doping can be obtained.
The thermal conductivity of prevalent double tungstates is from the buy to three–4 W/(K m) �?which is not terrible compared with other laser crystals (Despite the fact that several instances a lot less than for YAG), and pretty large in contrast with the thermal conductivity of regular Eyeglasses.
Li2WO4-WO3 flux was productively used decreasing The expansion temperature below 900 oC. In line with one crystal x-ray measurements, the crystal corresponds to the P2/n Area website group.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is often a amazing substance that plays a crucial function in laser technologies. Its Main functionality should be to make ultrashort pulses of light, spanning just some hundred femtoseconds.
Request RP Photonics for any information regarding tungstate lasers, including femtosecond lasers and significant-electrical power lasers.