A Simple Key For KGW Crystal Unveiled
A Simple Key For KGW Crystal Unveiled
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While ytterbium-doped laser acquire media normally exhibit a small quantum defect, ytterbium-doped tungstates enable for specifically little values. As an example, a 1030-nm Yb:YAG laser would Generally be pumped all-around 940 nm, Whilst Yb:KGW or Yb:KYW can be most successfully pumped all around 981 nm.
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Together with its use like a Raman crystal, KGW is usually Utilized in other optical programs, which include in laser devices and as being a scintillator in professional medical imaging.
Its pump laser requires a short pulse length, a very low time jitter, and smooth temporal and spatial distributions due to the intrinsic instantaneous system. Hence, the OPCPA process is more complex and high-priced.
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KGW (potassium gadolinium tungstate) is actually a crystal that is often made use of for a Raman crystal in Raman spectroscopy. This is a colorless, clear crystal that includes a substantial Raman scattering performance and a robust Raman spectrum, which makes it suitable for An array of Raman apps.
]. This technique was according to The reality that the spectral emission cross-section curves differ from one another when laser polarization is paralleled to different optical axis of Yb-doped double tungstates[
Figure four Beam radius variation on The 2 crystals get more info even though changing the focal size of your thermal lensing effect.
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Figure eight Intra-cavity pulse amplification approach monitored by an oscilloscope. The pulse underwent an unsaturated amplification as a result of mirror harm limitation.
Both equally energies are marked by the dashed lines and their values are labeled from the plots. The equivalent attributes have been also noticed in KGW and YAG crystals, whose spectral broadening dynamics are demonstrated for just a comparison in Fig. 4.