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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We current a dual-crystal Yb:KGW laserthat iscapable to operate to be a Q-switched oscillator with output ability as many as 24 W and pulse duration of 20 ns,or as being a regenerative amplifier with output ability approximately 21 W and pulse duration underneath 200 fs immediately after compression of chirped pulses. The two lasers have excellent beam quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Display screen solid peaks at 980 nm and 1030 nm, respectively, guaranteeing productive energy conversion and superior general performance in laser programs.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW a result of the related measurements of those chemical aspects as much as one hundred% of Yb-doping could possibly be accomplished. This exceptional characteristic permits ytterbium to go ahead and take position of yttrium with pretty much no disruption to your crystal’s lattice.
Adhesion Check Compliant with MIL-C-675C army benchmarks, an adhesion test concerned making use of a tape that fulfills LT-90 requirements on to the lens film layer. The tape was affixed entirely and afterwards eradicated vertically. This procedure was performed 3 times, leading to no blistering or peeling.
Raman, luminescence and more info transmission spectra expose optical features owing towards the presence of thulium ions, and so the resources might be additional researched inside the scope of laser and luminescence programs.
Spatial structure from the beam and also the corresponding intensity profiles I at the output of the laser.
For tungstates, the ytterbium doping focus can be quite superior without having sizeable quenching because the replaced ions have a very related ion radius, as well as inter-ion distance is comparatively substantial.
... Not only the situation of crystal while in the cavity but also the amplification axis of crystal affects the laser operation drastically, as the absorption and emission cross sections on the crystal are rather diverse in accordance with the orientation in the crystal.
The thermal conductivity of common double tungstates is of your buy to 3–four W/(K m) �?which is not poor in contrast with other laser crystals (Though numerous times lower than for YAG), and quite significant in contrast Along with the thermal conductivity of usual Eyeglasses.
Li2WO4-WO3 flux was productively used lessening The expansion temperature below 900 oC. Based on single crystal x-ray measurements, the crystal corresponds for the P2/n Room group.
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Concurrently, a shorter laser wavelength might be acquired; it can be done to function having a quantum defect perfectly under 1%. As being a consequence, the warmth generation is usually so modest this partly compensates the reduced thermal conductivity.