Fascination About KGW Crystal
Fascination About KGW Crystal
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Publish your investigate on American Aspect Web site Unravelling the dissociation pathways of acetic acid on electron transfer in potassium collisions: experimental and theoretical research.
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We used a transmission grating (TG) being a dispersive part within our stretcher and compressor. A compact configuration was adopted, exactly where the stretcher and the compressor shared a single grating just like that in Ref.
The main two peaks can be related to luminescence of pure material59, whilst the remaining peaks may very well be attributed for the luminescence of unidentified dopants, although the supplier specified the sample as undoped. The luminescence of YAG crystal makes solid UV luminescence using a greatest depth at 300 nm, which happens to be attributed to put together self-trapped exciton and antisite defect-connected emissions60. Ultimately, no luminescence during the UV, obvious and around-IR was noticed in KGW and LT crystals, not less than inside the detection variety of fiber spectrometer (200�?00 nm).
In contrast, the seed laser may be amplified to above 1 mJ beneath the orthogonal orientation configuration.
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The put together obtain is complicated and should be measured less than distinctive pumping situations as a result of quasi-a few-amount technique behavior from the Yb-doped attain medium. The blueshift, with one peak from 1037 nm underneath the very same crystal placement orientation to 1035 nm underneath the orthogonal crystal placement orientation, could final result through the reabsorption losses at a protracted wavelength while in the crystal wherever the laser polarization is parallel to its Nm -axis, earning the achieve at 1035 nm bigger than that at 1037 nm beneath orthogonal orientation.
Thermal results are drastically smaller sized in KGW. This together with the large damage threshold make the crystal an excellent applicant for electrical power scaling. Comparing Ba(NO3)two and KGW for Raman software Ba(NO3)two are more effective in case of ns pulses and KGW �?in case of ps pulses.
Figure 4 Beam radius variation on The 2 crystals though shifting the focal duration from the thermal lensing impact.
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）
The Yb:KGW laser program features a quasi-3-stage get more info habits. The web achieve with the Yb:KGW crystal was not high: numerous tens of roundtrips had been necessary to amplify the nanojoule seed to a millijoule degree. As a result, the get-narrowing impact was unavoidable in Yb:KGW regenerative amplifiers.
Figure four Beam radius variation on the two crystals whilst switching the focal size on the thermal lensing effect.
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