5 Essential Elements For KGW Crystal
5 Essential Elements For KGW Crystal
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Thus There's small liberty for optimizing the dispersion payment influence. Sub-two hundred fs pulses could be anticipated by using a broader bandwidth seed input. Because of the dual-crystal configuration, the laser cavity delivers a around diffraction restricted laser beam with M
The datasets made use of and/or analysed through The existing review out there with the corresponding creator on affordable request.
The comparison with glasses is appropriate Because the substantial achieve bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
Quite a few solutions are already adopted to solve this problem. An acousto-optical programmable dispersive filter is usually utilized to modulate the seed’s spectrum to suppress the obtain-narrowing outcome[
Comparison of spectral Electrical power densities of supercontinua developed during the problems of optimal pumping during the investigated supplies.
Despite the fact that BGO and LT developed the narrowest SC spectra (a bit less than 1.five optical octaves), they could be viewed as incredibly desirable nonlinear materials for broadband SC era with pumping at for a longer time laser wavelengths. Owing to its large nonlinearity, BGO exhibited the bottom SC generation threshold (78 nJ) among the investigated elements, which can be twenty five % decrease than in KGW and could be considered as fantastic nonlinear material for extremely reduced-threshold SC era. The noticed stable and sturdy harm-totally free general performance of BGO and GGG at 200 kHz pulse repetition rate implies that these nonlinear products have a possible for SC technology at even higher, MHz, repetition prices. Furthermore, these materials present SC radiation with an outstanding list of parameters that are essential for apps in superior pace spectroscopy and imaging that employ bulk-created SC, see e.g.seventeen,18,19,twenty.
The 2-pump laser could supply approximately a hundred and twenty W electric power. Roughly 60% of the most pump electric power was utilized inside our experiment taking into consideration the minimal general performance of the dichroic mirrors. Beneath this dual-crystal configuration, our cavity supports a one hundred W pump energy enter, as talked over in Section 2.two. Superior-high quality dichroic mirrors are going to be applied Later on, and laser pulses are going to be stretched to a longer pulse length.
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）
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]. The dual-crystal configuration lowers the thermal load on Each individual crystal when keeping a significant obtain, and facilitates the compensation of click here every one’s thermal lensing influence. Consequently, the laser cavity can operate with a substantial balance assortment over the thermal lensing result variation.