The smart Trick of KGW Crystal That Nobody is Discussing
The smart Trick of KGW Crystal That Nobody is Discussing
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]. Due to brief storage time, Ti:sapphire is typically pumped by frequency-doubled Nd:YAG or Nd:glass strong-state lasers, which results in a bulky and complicated method with substantial Charge. As opposed with traditional CPA laser programs, the OPCPA program can attain a shorter pulse duration and an increased peak power.
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The gain bandwidth e.g. of Yb:KGW and Yb:KYW is very big in contrast with that of Yb:YAG. This enables for huge wavelength tunability and for Considerably shorter pulse durations from method-locked lasers. Values properly underneath one hundred fs are already reached with passive method locking.
In its elemental variety, potassium has a silvery grey metallic physical appearance, but its compounds (which include potassium hydroxide) tend to be more routinely Utilized in industrial and chemical applications.
In contrast, the seed laser is often amplified to about one mJ under the orthogonal orientation configuration.
For tungstates, the ytterbium doping concentration can be quite significant without substantial quenching because the changed ions have a really very similar ion radius, plus the inter-ion length is pretty substantial.
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Comparison of spectral Electrical power densities of check here supercontinua made in the situations of best pumping inside the investigated products.
So, with an additional enhancement inside our regenerative amplifier, 2 mJ compressed pulses is often anticipated, without the need of harmful any ingredient inside our compressor.
The 2-pump laser could provide approximately a hundred and twenty W power. Roughly 60% of the utmost pump electricity was used inside our experiment contemplating the minimal effectiveness of your dichroic mirrors. Less than this twin-crystal configuration, our cavity supports a a hundred W pump power enter, as talked over in Section 2.two. Substantial-high-quality dichroic mirrors are going to be utilized in the future, and laser pulses will probably be stretched to a longer pulse duration.
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）
KGW has a solid Raman spectrum that extends from the ultraviolet towards the around infrared, rendering it practical for a range of applications. The crystal can be utilized like a reference content for Raman spectroscopy, in addition to a sample for studying Raman scattering from the good point out.
Figure 4 Beam radius variation on The 2 crystals even though altering the focal size of the thermal lensing influence.
The origin in the factor's title emanates from the English term 'potash,' this means pot ashes, and also the Arabic word qali