The Fact About Laser Crystal That No One Is Suggesting

The Fact About Laser Crystal That No One Is Suggesting

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These tables incorporate only the commonest host crystals; numerous Many others exist, which can be fewer frequently utilized.

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激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。

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 with the get medium are most useful rely upon numerous aspects. The out there pump resource (form of laser diode or lamp) along with the envisaged pumping arrangement are essential aspects, but the fabric by itself also has some influence. For example, titanium–sapphire lasers ought to be pumped with substantial intensities, for which the form of a transversely cooled rod, operated with relatively smaller pump and laser beam diameter, is more proper than e.

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活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。

g. a thin disk. As A different instance, Q-switched lasers access a greater inhabitants density within the higher laser amount and therefore are thus much more sensitive to quenching consequences and energy transfer processes; hence, a lower doping density is often suitable for these units. For high-energy lasers, decreased doping densities tend to be accustomed to limit the density of heat era, Despite the fact that slim-disk lasers do the job best with remarkably doped crystals. Many laser products will not reach the comprehensive general performance probable for the reason that such particulars haven't been correctly worked out.

The host crystal is far more than just a way to repair the laser-Energetic ions at sure positions in Place. Many click here properties in the host substance are important:

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。

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Diverse crystalline materials are certainly various about their hardness along with other Attributes, which decide with which solutions And the way quickly they can be Reduce and polished with top quality.

For various explanations, composite crystals are getting to be well known. These Have a very spatially varying chemical composition and may be created with Unique styles.

With that concept, one particular isn't going to need to have an extra saturable absorber crystal, in order that a single may well make additional compact Q-switched laser setups with decreased inside parasitic losses. Nonetheless, unwanted Unwanted side effects may also come about, for example getting undesired valence states of the included ions or Power transfers.

人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容易获得大尺寸优质晶体。