A Review Of KGW Crystal
A Review Of KGW Crystal
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In the future, an investigation on the spectral gain curve of Yb:KGW in the most crucial amplifier might be done underneath cryogenic temperature evolution from seventy seven K to 300 K. The Doing the job temperature is going to be controlled to understand broader gain bandwidth and less shift within the central wavelength of the principle amplifier.
Along with its use to be a Raman crystal, KGW is usually used in other optical purposes, for instance in laser methods and to be a scintillator in health care imaging.
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Amplified pulses with an Electrical power earlier mentioned 2.5 mJ is usually expected by making use of the next pump energy to the regenerative amplifier and rendering it work at the saturation degree. The laser fluence of ~1 J/cm2 on the dichroic mirrors is considered to be down below the hurt threshold of large-excellent dielectric-coated mirrors.
The other was positioned with its Np -axis parallel with the s-polarized path. A comparison was built among a configuration with the crystals positioned in the same orientation (
Dynamic expression of genes encoding subunits of inward rectifier potassium (Kir) channels in the yellow fever mosquito Aedes aegypti.
While BGO and LT manufactured the narrowest SC spectra (marginally fewer than 1.five optical octaves), they may be considered as extremely interesting nonlinear components for broadband SC technology with pumping at lengthier laser wavelengths. Owing to its massive nonlinearity, BGO exhibited the bottom SC generation threshold (78 nJ) Among the many investigated products, which can be twenty five % lower than in KGW and could be considered as great nonlinear material for quite small-threshold SC technology. The observed stable and durable injury-cost-free general performance of BGO and GGG at two hundred kHz pulse repetition level implies that these nonlinear supplies have a potential for SC generation at even higher, MHz, repetition prices. Also, these elements present SC radiation with a wonderful list of parameters that happen to be important for programs in large speed spectroscopy and imaging that employ bulk-created SC, see e.g.seventeen,eighteen,19,20.
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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）
-switched laser output underneath the two crystal placement configurations. The black line denotes the configuration with the crystals placed in precisely the same orientation, though the pink line is underneath the configuration of crystals placed in orthogonal orientation.
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KGW crystals are utilized as Raman scattering elements since they have sturdy Raman scattering in a quantity of different wavelengths. Each time a laser beam is directed on to the crystal, the photons within the laser beam communicate with the crystal lattice, producing a few of the photons to scatter in a unique way.