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While ytterbium-doped laser acquire media frequently exhibit a little quantum defect, ytterbium-doped tungstates permit for specifically tiny values. By way of example, a 1030-nm Yb:YAG laser would Usually be pumped all over 940 nm, While Yb:KGW or Yb:KYW may be most competently pumped all over 981 nm.

For some applications, tungstates offer a mix of different useful properties. Particularly for passive mode locking, ytterbium-doped double tungstates are sometimes excellent to other media with regard to the combination of high acquire bandwidth, huge cross-sections, and comparatively superior thermal Houses �?even though in Every single particular self-control much better products could possibly be discovered.

Simultaneously, a shorter laser wavelength could be acquired; it is achievable to function by using a quantum defect effectively underneath 1%. For a consequence, the heat era is usually so little that this partly compensates the lower thermal conductivity.

Its pump laser requirements a brief pulse period, a reduced time jitter, and easy temporal and spatial distributions due to the intrinsic instantaneous approach. So, the OPCPA process is a lot more intricate and high priced.

Just before the development of Nd:YAG, Nd3+:CaWO4 was a vital uncommon-earth-doped laser gain medium. It was actually Utilized in the primary continuously running crystal laser.

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KGW (potassium gadolinium tungstate) is actually a crystal that is usually applied for a Raman crystal in Raman spectroscopy. It's really a colorless, clear crystal which has a higher Raman scattering efficiency and a strong Raman spectrum, rendering it suited to A variety of Raman apps.

The spectral measurements of filament-induced luminescence suggest that scintillating Houses of resources may be conveniently studied working with femtosecond close to-infrared gentle resource by way of multiphoton excitation within the filamentation routine, which enables effortless separation of excitation and emission wavelengths and reduced possibility of optical destruction.

Determine four Beam radius variation on the two crystals whilst modifying the focal duration with the thermal lensing result.

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 Together with the crystals placed in the identical orientation, even though the crimson line is beneath the configuration of crystals placed in orthogonal orientation.

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