The Basic Principles Of Laser Crystal

The Basic Principles Of Laser Crystal

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The commonest laser-active unusual earth ions and host media together with some standard emission wavelengths are shown in the subsequent table:

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Which geometry, dopant and doping focus from the achieve medium are most beneficial depend upon many components. The out there pump resource (style of laser diode or lamp) plus the envisaged pumping arrangement are very important components, but the material itself also has some impact. One example is, titanium–sapphire lasers should be pumped with high intensities, for which the form of the transversely cooled rod, operated with somewhat compact pump and laser beam diameter, is more suitable than e.

晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。

激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。

g. a thin disk. As A further instance, Q-switched lasers arrive at a better inhabitants density within the higher laser amount and are as a result more delicate to quenching effects and Strength transfer procedures; therefore, a reduced doping density is frequently suitable for these equipment. For top-energy lasers, reduced doping densities will often be utilized to Restrict the density of warmth era, While slim-disk lasers do the job finest with highly doped crystals. Many laser goods don't get to the whole performance potential simply because this kind of details haven't been effectively labored out.

Laser modeling and simulation may be used to reliably determine more info the ideal crystal Proportions, doping density and possibly values of more parameters.

热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。

For quasi-3-level laser attain media as well as a few-amount get media, one normally has to Restrict the length to a value and that is much too quick for effective pump absorption, as reabsorption results would otherwise spoil the effectiveness. For side pumping, supplemental concerns appear into play; Aside from effective pump absorption, it can be crucial to obtain an appropriate spatial shape from the attain profile.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser crystal crystal progress optical general performance rare earth ions transition team ions 

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It could be oriented for in the vicinity of perpendicular incidence in the laser beam, or at Brewster's angle. It can be preset in a few reliable mount which also functions being a warmth sink. Greater crystals are generally used for side pumping e.g. with significant-ability diode bars.

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