The smart Trick of KGW Crystal That No One is Discussing
The smart Trick of KGW Crystal That No One is Discussing
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Past function showed that the dual-crystal configuration can be used to compensate with the thermal lensing effect[
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In its elemental form, potassium provides a silvery gray metallic appearance, but its compounds (for instance potassium hydroxide) are more routinely Utilized in industrial and chemical applications.
The monoclinic crystal constructions results in a pure birefringence, helping to stay clear of thermally induced polarization rotation and depolarization loss.
For tungstates, the ytterbium doping focus can be quite substantial without the need of major quenching as the replaced ions have a very very similar ion radius, and also the inter-ion distance is pretty big.
One other was placed with its Np -axis parallel While using the s-polarized route. A comparison was made amongst a configuration Using the crystals put in exactly the same orientation (
KGW (potassium gadolinium tungstate) is often a crystal that is often made use of as being a Raman crystal in Raman spectroscopy. It is a colorless, transparent crystal that includes a large Raman scattering performance and a robust Raman spectrum, rendering it suitable for a range of Raman applications.
The spectral measurements of filament-induced luminescence recommend that scintillating Houses of products could be conveniently analyzed making use of femtosecond near-infrared mild source by using multiphoton excitation from the filamentation regime, which lets easy read more separation of excitation and emission wavelengths and minimal hazard of optical problems.
We created a diode-pumped Yb:KGW regenerative amplifier as the entrance close of your kilohertz terawatt laser procedure. Wide bandwidth pulses ended up received by making use of dual crystals with various orientations of their optical axes[
The Martinez stretcher stretched the seed pulses to ~250 ps with 1600 grooves/mm grating. The enter on the stretcher (incident angle: 52°) and that of the compressor incident at the grating were within the exact facet; that's why, a slight angular tuning in the grating might be produced to obtain the best compression final result. During the compressor, the enter angle to the grating and the space amongst the translation stage (S1) plus the transmission grating (TG) had been designed to compensate with the stretcher dispersion and all dispersion released through the products.
-switched laser output beneath the two crystal placement configurations. The black line denotes the configuration With all the crystals positioned in the exact same orientation, when the pink line is under the configuration of crystals placed in orthogonal orientation.
Figure 4 Beam radius variation on The 2 crystals whilst changing the focal duration in the thermal lensing effect.
The origin from the factor's identify emanates from the English word 'potash,' which means pot ashes, plus the Arabic term qali