How Much You Need To Expect You'll Pay For A Good KYW Crystal
How Much You Need To Expect You'll Pay For A Good KYW Crystal
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In simple terms, the Yb:KYW crystal has discovered its market in substantial-electric power laser purposes due to its ability to create large Strength ultrashort laser pulses even though preserving a compact dimension. The interaction of its characteristics �?seamless ytterbium substitution, robust absorption characteristics, ultrashort pulse technology and efficiency in Strength conversion �?positions the Yb:KYW crystal for a cornerstone during the laser technological know-how, covering assorted fields ranging from scientific investigate to industrial programs.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is a outstanding materials that plays a crucial function in laser engineering. Its Principal operate should be to produce ultrashort pulses of light, spanning only a few hundred femtoseconds.
We existing a dual-crystal Yb:KGW laserthat iscapable to operate as being a Q-switched oscillator with output electricity up to 24 W and pulse size of 20 ns,or like a regenerative amplifier with output electrical power up to 21 W and pulse period down below two hundred fs soon after compression of chirped pulses. The two lasers have superb beam high quality with beam parameter M2
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Optical layout of a laser with immediate pumping Using the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output from the radiation, WP is often a half-wave plate, CL can be a collimating lens, FL is usually a focusing lens, AE can be an Lively component made out of an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 would be the cavity mirrors, OC would be the output mirror, and SAM is often a semiconductor saturable-absorber mirror.
Just after air drying and subsequent cleaning by using a cotton cloth soaked in Liquor, the movie area showed no signs of peeling or scratches.
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5 mm apart from the middle of the beam caustic. So that you can Verify the manner matching simulation, we carried out the experiment with Ng-Slash crystal oscillator, which was produced Earlier As well as in a very same condition with simulation [eleven]. As revealed in Figure three(b) with pink dots and line, the CW output electricity is very dependent on the place of laser crystal plus the experimental outcome coincides very well with simulation end result. Like a note, multimode operation transpired in experiment once the dimensions of your pump beam is larger than TEM00 cavity mode and it leads to larger CW output electrical power while in the displacement area beneath 3.five mm.
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By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW as a result of comparable measurements of those chemical factors around 100% of Yb-doping can be reached.
The thermal conductivity of widespread double tungstates is in the purchase to 3–4 W/(K m) �?which isn't terrible compared with other laser crystals (Whilst a number of times fewer than for YAG), and pretty substantial compared Using the thermal conductivity of usual glasses.
This tandem of attributes has significantly-reaching implications, particularly in the development of compact however powerfull lasers.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is really a exceptional substance that performs an important role in laser technological innovation. Its Most important function should be to produce ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
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