A Review Of KGW Crystal
A Review Of KGW Crystal
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Former get the job done showed that the twin-crystal configuration can be employed to compensate for your thermal lensing result[
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Determine eight Intra-cavity pulse amplification method monitored by an oscilloscope. The pulse underwent an unsaturated amplification due to mirror hurt limitation.
Consequently There may be small flexibility for optimizing the dispersion payment effect. Sub-200 fs pulses might be envisioned which has a broader bandwidth seed enter. Thanks to the dual-crystal configuration, the laser cavity provides a in the vicinity of diffraction restricted laser beam with M
], but it will add considerably more Price tag to this element. The intra-cavity spectral achieve curve can be modulated by inserting an etalon that lowers the particular get on the wavelength with the most attain component[
The comparison with Eyeglasses is appropriate since the huge obtain bandwidth permits e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
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KGW (potassium gadolinium tungstate) is often a crystal that is usually made use of to be a Raman crystal in Raman spectroscopy. It's really a colorless, clear crystal that includes a superior Raman scattering performance and a solid Raman spectrum, rendering it well suited for a range of Raman applications.
Thermal outcomes are significantly smaller in KGW. This along with the large hurt threshold make the crystal an outstanding prospect for electricity scaling. Evaluating Ba(NO3)two and KGW for Raman software Ba(NO3)2 are simpler in case of ns pulses and KGW �?in case of ps pulses.
Determine four Beam radius variation on The 2 crystals when altering the focal size of the thermal lensing get more info result.
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-switched laser output beneath the two crystal placement configurations. The black line denotes the configuration While using the crystals placed in a similar orientation, even though the crimson line is beneath the configuration of crystals positioned in orthogonal orientation.
Determine 4 Beam radius variation on The 2 crystals even though modifying the focal duration on the thermal lensing impact.
Equally energies are marked via the dashed lines and their values are labeled from the plots. The equivalent functions ended up also noticed in KGW and YAG crystals, whose spectral broadening dynamics are revealed to get a comparison in Fig. four.