5 Essential Elements For Laser Crystal

5 Essential Elements For Laser Crystal

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The most typical laser-active scarce earth ions and host media along with some regular emission wavelengths are demonstrated in the subsequent table:

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为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。

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Which geometry, dopant and doping focus of your obtain medium are most advantageous depend upon a number of variables. The obtainable pump resource (kind of laser diode or lamp) and the envisaged pumping arrangement are essential elements, but the material alone also has some affect. By way of example, titanium–sapphire lasers ought to be pumped with significant intensities, for which the shape of a transversely cooled rod, operated with comparatively smaller pump and laser beam diameter, is a lot more ideal than e.

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Of course, it is very attractive that a supplied crystal excellent is developed constantly, Even though different laser models may have a different sensitivity to substance parameters.

The maximum attainable doping focus can depend strongly over the host substance and its fabrication system.

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 obtain media, a single frequently really should limit the size to a worth which can be much too quick for economical pump absorption, as reabsorption results would if not spoil the functionality. For facet pumping, extra issues occur into play; Aside from economical pump absorption, it's important to get an appropriate spatial condition of your gain profile.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 resources laser crystal crystal advancement optical functionality scarce earth ions changeover group ions 

For different causes, composite crystals have become well-known. These have a spatially various chemical composition and might be designed with Exclusive styles.

It may be oriented for around perpendicular incidence with the laser beam, or at Brewster's angle. It might be preset in a few stable mount which also functions get more info as a warmth sink. Larger crystals are often used for side pumping e.g. with high-power diode bars.

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。