Laser Crystal for Dummies

Laser Crystal for Dummies

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激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。

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 on the obtain medium are most advantageous depend upon several things. The readily available pump source (type of laser diode or lamp) and the envisaged pumping arrangement are important things, but the fabric alone also has some impact. One example is, titanium–sapphire lasers should be pumped with high intensities, for which the shape of a transversely cooled rod, operated with rather smaller pump and laser beam diameter, is much more appropriate 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 skinny disk. As A further instance, Q-switched lasers arrive at a better inhabitants density while in the higher laser level and so are thus much more sensitive to quenching outcomes and Electricity transfer procedures; therefore, a reduced doping density is frequently suitable for these equipment. For high-energy lasers, reduced doping densities are sometimes accustomed to limit the density of heat generation, Even though thin-disk lasers function very best with extremely doped crystals. Quite a few laser products and solutions never get to the entire performance potential because these kinds of specifics have not been thoroughly worked out.

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。

激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。

It is obvious that distinctive applications result in quite unique specifications on laser acquire media. Because of this, a broad range of various crystals are employed, and more info producing the best decision is essential for developing lasers with the best possible effectiveness.

主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。

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There exists a variety of crystalline media, that may be grouped according to important atomic constituents and crystalline structures. Some critical groups of crystals are:

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。