The best Side of KGW Crystal
The best Side of KGW Crystal
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Publish your investigation on American Ingredient website Unravelling the dissociation pathways of acetic acid upon electron transfer in potassium collisions: experimental and theoretical scientific studies.
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For many purposes, tungstates give a mix of numerous handy Homes. Particularly for passive mode locking, ytterbium-doped double tungstates in many cases are excellent to other media concerning The mix of large obtain bandwidth, large cross-sections, and relatively good thermal Qualities �?Though in Each and every unique willpower greater materials can be uncovered.
In conclusion, we shown that undoped scintillator crystals: BGO, GGG, YSO, LSO and LYSO are effective nonlinear supplies for broadband SC technology in the close to-infrared and limited-wave infrared spectral ranges, when pumped by a hundred and eighty fs basic harmonic pulses from an amplified Yb:KGW laser. YSO, LSO and LYSO made two octave-spanning SC spectra, which Examine to SC spectra created in YAG. These elements show pretty comparable performances to YAG also with regard to threshold and optimal pump pulse energies for SC generation. However, for what fears the likelihood to function at significant laser pulse repetition amount, YSO, LSO and LYSO exhibit sturdy Procedure only at 10 kHz and swiftly degrade (inside of a couple of minutes) at 20 kHz. Apart from the relatively low SC generation threshold (169 nJ), GGG shown wonderful overall performance traits during the brief-wave infrared While using the exceptional pump pulse Electricity of 464 nJ, which can be two situations reduced than in YAG: the largest purple-shifted spectral broadening and the highest spectral Electrical power density, outperforming KGW and YAG crystals in that element.
In distinction, the seed laser can be amplified to around one mJ underneath the orthogonal orientation configuration.
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Dynamic expression of genes encoding subunits of inward rectifier potassium (Kir) channels in the yellow fever mosquito Aedes aegypti.
Thermal effects are substantially smaller in KGW. This combined with the large damage threshold make the crystal a fantastic candidate for electricity scaling. Comparing Ba(NO3)two and KGW for Raman software Ba(NO3)two are simpler in the event of ns pulses and KGW �?in case of ps pulses.
Determine 4 Beam radius variation on The 2 crystals when read more shifting the focal duration in the thermal lensing outcome.
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）
-switched output spectrum of the regenerative amplifier supports a sub-a hundred and sixty fs pulse amplification. For that reason, pulses with energies of as many as two mJ and duration under two hundred fs might be attained working with better-quality dichroic mirrors and also a broader-spectrum laser seed. This regenerative amplifier functions as a great pre-amplifier for further more laser amplification.
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]. The dual-crystal configuration lowers the thermal load on Just about every crystal though keeping a significant get, and facilitates the compensation of every one’s thermal lensing impact. As a result, the laser cavity can do the job with a significant stability assortment in excess of the thermal lensing result variation.