Nonlinear Crystal Secrets

Nonlinear Crystal Secrets

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Laser modeling and simulation can be used to reliably establish the ideal crystal Proportions, doping density And perhaps values of extra parameters.

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。

The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and in addition the upper-condition life time.

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。

The maximum feasible doping focus can rely strongly to the host product and its fabrication system.

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GWU-Lasertechnik has much more than thirty many years of knowledge in distributing laser crystals. Pick GWU to take advantage of our broad understanding and in-subject practical experience!

A high hurt threshold regarding pulse fluence or peak intensity is usually important for prime-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 of your acquire medium are most advantageous rely upon several components. The accessible pump supply (variety of laser diode or lamp) as well as the envisaged pumping arrangement are very important factors, but the material itself also has some influence. As an example, titanium–sapphire lasers should be pumped with high intensities, for which the form of a transversely cooled rod, operated with comparatively smaller pump and laser beam diameter, is much more ideal than e.

It could be oriented for in close proximity to perpendicular incidence in the laser beam, or at Brewster's angle. It can be mounted in certain reliable mount which also functions as a heat sink. Larger crystals are often used for side pumping e.g. with high-energy diode bars.

The most common laser-Lively exceptional earth ions and host media along with some regular emission wavelengths are shown in the next table:

These surfaces which are passed by the laser beam are Commonly either oriented at Brewster's angle or have an anti-reflection coating.

Obviously, it is rather attractive that a offered crystal good quality is manufactured regularly, Despite the fact that unique laser designs can have a special sensitivity to materials parameters.

There may be get more info a variety 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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It is obvious that unique applications result in quite distinctive requirements on laser obtain media. This is why, a wide range of different crystals are utilized, and generating the appropriate preference is essential for constructing lasers with optimum efficiency.

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。