An Unbiased View of KGW Crystal
An Unbiased View of KGW Crystal
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is rather large in contrast with that of Yb:YAG. This permits for broad wavelength tunability and for Considerably shorter pulse durations from mode-locked lasers. Values perfectly down below 100 fs are actually attained with passive manner locking.
In its elemental form, potassium incorporates a silvery grey metallic visual appearance, but its compounds (for instance potassium hydroxide) tend to be more routinely used in industrial and chemical apps.
The datasets made use of and/or analysed for the duration of The present examine offered within the corresponding creator on reasonable ask for.
For tungstates, the ytterbium doping concentration can be extremely significant devoid of important quenching as the replaced ions have an exceedingly related ion radius, and also the inter-ion distance is fairly huge.
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KGW (potassium gadolinium tungstate) is usually a crystal that is usually utilized like a Raman crystal in Raman spectroscopy. This is a colorless, transparent crystal that includes a click here higher Raman scattering performance and a solid Raman spectrum, making it well suited for A selection of Raman apps.
We program to spice up the pulse Electrical power to earlier mentioned forty mJ in two-stage multi-pass amplifiers, comparable to a obtain factor of 20. In Every single amplifier, we will likely undertake two cascaded crystals placed beneath orthogonal orientation to reduce the thermal load on Each and every crystal and compensate with the obtain-narrowing influence.
We made a diode-pumped Yb:KGW regenerative amplifier as the front close in the kilohertz terawatt laser program. Wide bandwidth pulses were obtained by implementing twin crystals with unique orientations of their optical axes[
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Tungstates are likely to acquire higher Raman coefficients (�?Raman scattering). For that reason, they can generate substantial Raman attain at moderate optical intensities. It is possible to use the laser crystal alone like a Raman converter.
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