Facts About KGW Crystal Revealed
Facts About KGW Crystal Revealed
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We utilized a transmission grating (TG) to be a dispersive part within our stretcher and compressor. A compact configuration was adopted, in which the stretcher and also the compressor shared a person grating much like that in Ref.
The pink-shifted Section of the SC is of simple importance, especially for what issues the efficiency of broadly tunable optical parametric amplifiers pumped by the basic harmonics of Yb lasers. The lack of seed photons within the extended-wavelength region in the SC spectrum boundaries the amplification effectiveness and results in pulse-to-pulse Strength fluctuations round the degeneracy location in the optical parametric amplifier. This component is quantified in Fig. 6a by plotting the SC spectra with regard to spectral Strength density, which was approximated by measuring the Vitality from the axial part of SC radiation (which happens to be the only real pretty much helpful Element of SC emission). KGW crystal generates the highest spectral Strength density from the 1200�?450 nm variety, as pointed out in the recent study30.
The datasets employed and/or analysed during The present review obtainable with the corresponding writer on realistic request.
The comparison with Eyeglasses is suitable Considering that the big acquire bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The opposite was placed with its Np -axis parallel Along with the s-polarized path. A comparison was designed amongst a configuration with the crystals placed in a similar orientation (
KGW (potassium gadolinium tungstate) is really a crystal that is often utilised like a Raman crystal in Raman spectroscopy. It's a colorless, transparent crystal that features a substantial Raman scattering efficiency and a solid Raman spectrum, rendering it appropriate for a range of Raman purposes.
Request RP Photonics for just about any website suggestions relating to tungstate lasers, such as femtosecond lasers and large-electric power lasers.
The edge Electrical power for SC technology (hbox E _ textrm th ) was defined as the pump pulse energy, exactly where the blue-shifted spectral broadening swiftly settles to a certain Reduce-off wavelength that remains Just about consistent Despite more improve from the pump pulse energy. The the best possible Electricity (hbox E _textrm choose ), was described as being the pump pulse Electrical power, which creates the largest red-shifted spectral broadening prior to the onset of periodic modulation while in the SC spectrum resulting from filament refocusing.
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Tungstates tend to own high Raman coefficients (�?Raman scattering). For that reason, they are able to make sizeable Raman obtain at reasonable optical intensities. It can be done to make use of the laser crystal by itself for a Raman converter.
Determine four Beam radius variation on The 2 crystals when changing the focal length in the thermal lensing impact.
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