Not known Facts About KGW Crystal
Not known Facts About KGW Crystal
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Preceding perform confirmed that the twin-crystal configuration can be used to compensate for that thermal lensing outcome[
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The crimson-shifted A part of the SC is of realistic worth, specifically for what concerns the performance of broadly tunable optical parametric amplifiers pumped by the fundamental harmonics of Yb lasers. The shortage of seed photons inside the extended-wavelength location from the SC spectrum limitations the amplification performance and leads to pulse-to-pulse energy fluctuations round the degeneracy area with the optical parametric amplifier. This facet is quantified in Fig. 6a by plotting the SC spectra concerning spectral Strength density, which was believed by measuring the Strength of your axial part of SC radiation (which happens to be the one almost helpful Element of SC emission). KGW crystal creates the very best spectral Strength density while in the 1200�?450 nm range, as observed within a latest study30.
Its pump laser desires a brief pulse duration, a reduced more info time jitter, and clean temporal and spatial distributions because of the intrinsic instantaneous procedure. As a result, the OPCPA process is much more complex and pricey.
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Dynamic expression of genes encoding subunits of inward rectifier potassium (Kir) channels from the yellow fever mosquito Aedes aegypti.
The spectral measurements of filament-induced luminescence recommend that scintillating Houses of elements could be commonly analyzed making use of femtosecond close to-infrared mild source by way of multiphoton excitation during the filamentation routine, which lets easy separation of excitation and emission wavelengths and very low threat of optical injury.
Determine 4 Beam radius variation on the two crystals although switching the focal length from the thermal lensing effect.
相关工作得到了上海扬帆计划、国家重点研发计划、中国科学院战略性先导科技专项、国家自然科学基金项目、上海市优秀学术/技术带头人计划、上海市市级科技重大专项、中国科学院青年创新促进会的支持。（强场激光物理国家重点实验室供稿）
KGW has a robust Raman spectrum that extends with the ultraviolet to your in the vicinity of infrared, rendering it handy for An array of applications. The crystal can be used like a reference substance for Raman spectroscopy, in addition to a sample for studying Raman scattering within the sound condition.
Figure eight Intra-cavity pulse amplification process monitored by an oscilloscope. The pulse underwent an unsaturated amplification due to the mirror harm limitation.
]. The dual-crystal configuration lowers the thermal load on Just about every crystal even though sustaining a superior attain, and facilitates the compensation of every one’s thermal lensing effect. Thus, the laser cavity can do the job with a big balance vary more than the thermal lensing result variation.