5 Simple Statements About KGW Crystal Explained
5 Simple Statements About KGW Crystal Explained
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Earlier operate confirmed that the dual-crystal configuration can be used to compensate with the thermal lensing outcome[
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The pink-shifted A part of the SC is of realistic worth, especially for what considerations the effectiveness of broadly tunable optical parametric amplifiers pumped by the fundamental harmonics of Yb lasers. The lack of seed photons within the long-wavelength area of the SC spectrum limits the amplification performance and brings about pulse-to-pulse Electrical power fluctuations round the degeneracy location in the optical parametric amplifier. This component is quantified in Fig. 6a by plotting the SC spectra in terms of spectral Vitality density, which was believed by measuring the Electrical power with the axial A part of SC radiation (which can be the only nearly practical Section of SC emission). KGW crystal produces the very best spectral energy density in the 1200�?450 nm range, as mentioned in a get more info latest study30.
In contrast, the seed laser might be amplified to above 1 mJ beneath the orthogonal orientation configuration.
Prior to the event of Nd:YAG, Nd3+:CaWO4 was a vital uncommon-earth-doped laser attain medium. It was in fact Utilized in the first constantly functioning crystal laser.
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The black line denotes the configuration Along with the crystals put in the exact same orientation, although the pink line is beneath the configuration of crystals positioned in orthogonal orientation.
Talk to RP Photonics for just about any advice relating to tungstate lasers, including femtosecond lasers and substantial-electrical power lasers.
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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）
A multi-pass major amplifier will further more Improve the Vitality to previously mentioned 40 mJ. We'll apply cryogenically cooled Yb:KGW technologies to restrain the thermal impact. Two levels of compression are going to be utilized following amplification. The very first stage includes a common Treacy-style compressor, and will compress the pulse length to down below 300 fs with an performance of approximately 70%. The second phase will involve a gasoline-crammed multi-move mobile[
The scattered photons have a unique wavelength and Power than the incident photons, which makes a Raman spectrum.
Both equally energies are marked from the dashed strains and their values are labeled in the plots. The similar functions were also observed in KGW and YAG crystals, whose spectral broadening dynamics are revealed for the comparison in Fig. four.