The Ultimate Guide To KGW Crystal
The Ultimate Guide To KGW Crystal
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The acquire bandwidth e.g. of Yb:KGW and Yb:KYW is incredibly substantial as opposed with that of Yb:YAG. This permits for huge wavelength tunability and for much shorter pulse durations from method-locked lasers. Values properly down below 100 fs have been accomplished with passive manner locking.
In its elemental kind, potassium has a silvery grey metallic visual appeal, but its compounds (including potassium hydroxide) tend to be more commonly used in industrial and chemical applications.
-switched method. The bandwidth during the orthogonal orientation was Plainly Significantly broader. The calculated Fourier transform minimal pulse duration was as brief as sub-a hundred and sixty fs. Beneath the configuration the place the two crystals ended up positioned in exactly the same orientation, While using the seed input, the amplified pulse bandwidth was only three nm with a hundred and eighty μJ Vitality when it broke the dichroic mirrors.
Amplified pulses using an energy previously mentioned two.five mJ could be envisioned by applying a higher pump electric power for the regenerative amplifier and making it do the job for the saturation stage. The laser fluence of ~one J/cm2 over the dichroic mirrors is believed to get under the damage threshold of significant-good quality dielectric-coated mirrors.
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In its elemental kind, gadolinium incorporates a silvery-white appearance. Gadolinium is actually a scarce earth or lanthanide factor that possesses one of a kind Qualities beneficial to specialised programs which include semiconductor fabrication and nuclear reactor shielding. It really is used for equally its substantial magnetic second (7.ninety fourμ B) and in phosphors and scintillator crystals. When complexed with EDTA ligands, it is used being an injectable distinction agent for MRIs. The element is named after the Finnish chemist and geologist Johan Gadolin.
As a result, with a further advancement in our regenerative amplifier, two mJ compressed pulses might be expected, without the need of harming any component within our compressor.
Determine four Beam radius variation on the two crystals when switching the focal size 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）
-switched laser output beneath the two crystal placement configurations. The black line denotes the configuration Using the crystals placed in the same orientation, though the crimson line is underneath the configuration of crystals positioned in orthogonal orientation.
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]. The twin-crystal configuration lowers the thermal load on each crystal although sustaining a higher obtain, and facilitates the payment of each’s thermal lensing effect. Hence, the laser cavity can perform with a big stability assortment above the thermal lensing outcome variation.