Different crystalline elements are incredibly different regarding their hardness and other Homes, which identify with which strategies And just how easily they are often cut and polished with high quality.

The medium ought to have a high transparency (minimal absorption and scattering) within the wavelength areas of pump and laser radiation, and superior optical homogeneity. To some extent, this depends upon the caliber of the fabric, based on aspects from the fabrication method.

The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions as well as the upper-state lifetime.

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。

For quasi-3-degree laser acquire media or even a few-degree acquire media, one generally should limit the duration to a price which can be too shorter for productive pump absorption, as reabsorption effects would if not spoil the effectiveness. For side pumping, supplemental issues come into Participate in; Apart from efficient pump absorption, it is crucial to obtain an appropriate spatial shape on the gain profile.

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A higher problems threshold when it comes to pulse fluence or peak depth may be vital for high-Electricity amplifiers.

作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：

Which geometry, dopant and doping concentration in the get medium are most advantageous rely on various factors. The obtainable pump supply (type of laser diode or lamp) as well as the envisaged pumping arrangement are very important components, but the fabric itself also has some influence. By way of example, titanium–sapphire lasers should be pumped with superior intensities, for which the shape of the transversely cooled rod, operated with fairly tiny pump and laser beam diameter, is much more acceptable than e.

It could be oriented for in the vicinity of perpendicular incidence of the laser beam, or at Brewster's angle. It can be fixed in some strong mount which also acts as being a heat sink. Bigger crystals are generally utilized for side pumping e.g. with large-electrical power diode bars.

The commonest laser-Energetic unusual earth ions and host media together with some typical emission wavelengths are revealed in the next table:

Some laser crystal components are actually demonstrated wherever some saturable absorber material is integrated for passive Q switching of the laser.

Naturally, it is vitally desirable that a provided crystal excellent is produced constantly, Despite the fact that distinctive laser designs can have a distinct sensitivity to substance parameters.

You can find a wide range of crystalline media, which can be grouped according to important atomic constituents and crystalline structures. Some crucial groups of crystals are:

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Laser crystals are optical crystals �?typically solitary crystals (monocrystalline optical products) �?that are applied as gain read more media for sound-condition lasers. Most often, They're doped with both trivalent exceptional earth ions or changeover metal ions.

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。