The best Side of Laser Crystal

The best Side of Laser Crystal

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激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。

Laser crystals are optical crystals �?commonly one crystals (monocrystalline optical supplies) �?which are utilised as gain media for reliable-point out lasers. Generally, These are doped with possibly trivalent uncommon earth ions or transition steel ions.

激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。

Which geometry, dopant and doping focus on the get medium are most beneficial depend upon many variables. The offered pump source (style of laser diode or lamp) as well as envisaged pumping arrangement are very important variables, but the material alone also has some affect. As an example, titanium–sapphire lasers have to be pumped with significant intensities, for which the form of the transversely cooled rod, operated with comparatively small pump and laser beam diameter, is a lot more suitable than e.

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A higher surface area excellent is of course crucial. Specs of floor flatness will often be better than . This assists to prevent the two scattering losses and wavefront distortions which could degrade the laser's beam good quality. On top of that, scratch and dig specifications

探索激光晶体的领域，可以让我们看到科学和技术相结合的奇迹，为我们带来了令人难以置信的进步。这些激光晶体，每一种都在组成和特性上独具匠心，是推动现代世界众多应用的动力。

激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。

量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。

For quasi-three-amount laser achieve media or perhaps a few-degree gain media, a person typically must limit the length to a value which happens to be way too quick for effective website pump absorption, as reabsorption consequences would in any other case spoil the general performance. For aspect pumping, extra issues occur into Enjoy; Other than productive pump absorption, it is necessary to get a suitable spatial condition with 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 effectiveness scarce earth ions changeover group ions 

The medium must have a high transparency (very low absorption and scattering) while in the wavelength regions of pump and laser radiation, and fantastic optical homogeneity. To some extent, this is dependent upon the quality of the material, based on particulars of your fabrication method.

With that concept, 1 doesn't require an additional saturable absorber crystal, so that one may perhaps make extra compact Q-switched laser setups with decrease inner parasitic losses. On the other hand, undesirable Unwanted effects can also occur, for instance obtaining undesired valence states of the included ions or energy transfers.

激光晶体（laser crystal），可将外界提供的能量通过光学谐振腔转化为在空间和时间上相干的具有高度平行性和单色性激光的晶体材料。是晶体激光器的工作物质。