Top Laser Crystal Secrets
Top Laser Crystal Secrets
Blog Article
The most common laser-Energetic rare earth ions and host media together with some usual emission wavelengths are shown in the following table:
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Which geometry, dopant and doping concentration of your gain medium are most advantageous depend upon various things. The available pump source (kind of laser diode or lamp) along with the envisaged pumping arrangement are very important components, but the fabric by itself also has some influence. One example is, titanium–sapphire lasers should be pumped with superior intensities, for which the form of a transversely cooled rod, operated with relatively little pump and laser beam diameter, is more appropriate than e.
激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
Obviously, it's very desirable that a supplied crystal top quality is manufactured continuously, Even though various laser types might have another sensitivity to material parameters.
The maximum feasible doping focus can depend strongly within the host material and its fabrication method.
Laser modeling and simulation can be utilized to reliably figure out the the best possible crystal dimensions, doping density And maybe values of supplemental parameters.
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Different crystalline materials are extremely various regarding their hardness as well here as other properties, which decide with which approaches And the way effortlessly they may be cut and polished with top quality.
For a variety of reasons, composite crystals have become well-known. These Possess a spatially varying chemical composition and can be built with Particular styles.
It might be oriented for around perpendicular incidence in the laser beam, or at Brewster's angle. It could be preset in certain reliable mount which also functions as a heat sink. Larger sized crystals tend to be employed for side pumping e.g. with superior-electric 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。