The Greatest Guide To Laser Crystal

The Greatest Guide To Laser Crystal

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The most common laser-active rare earth ions and host media along with some common emission wavelengths are shown in the next 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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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：

晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。

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 Yet another illustration, Q-switched lasers attain the next inhabitants density within the upper laser amount and are thus a lot more delicate to quenching results and energy transfer processes; therefore, a decrease doping density is often appropriate for these equipment. For high-electric power lasers, reduced doping densities tend to be used to limit the density of heat generation, While slender-disk lasers work greatest with very doped crystals. Many laser items will not reach the entire efficiency probable for the reason that these kinds of information have not been correctly worked out.

A number of laser crystal elements are actually shown where some saturable absorber product is incorporated for passive Q switching of a laser.

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。

Those surfaces that happen to be handed by the laser beam are Typically both oriented at Brewster's angle or have an anti-reflection coating.

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The medium should have a superior transparency (lower absorption and scattering) in the wavelength locations of pump and laser radiation, and very good optical homogeneity. To some extent, this is determined by check here the caliber of the material, determined by specifics in the fabrication system.

There's a wide array of crystalline media, which may be grouped according to big atomic constituents and crystalline constructions. Some vital teams 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。