Facts About Laser Crystal Revealed
Facts About Laser Crystal Revealed
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The most common laser-Lively rare earth ions and host media along with some standard emission wavelengths are shown in the subsequent desk:
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激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。
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。
Which geometry, dopant and doping concentration of the acquire medium are most advantageous depend on several factors. The out there pump resource (form of laser diode or lamp) along with the envisaged pumping arrangement are essential aspects, but the material by itself also has some influence. For example, titanium–sapphire lasers ought to be pumped with superior intensities, for which the shape of a transversely cooled rod, operated with fairly small pump and laser beam diameter, is much more proper than e.
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Needless to say, it is rather appealing that a provided crystal good quality is developed persistently, While unique laser layouts may have a unique sensitivity to product parameters.
g. a skinny disk. As Yet another illustration, Q-switched lasers achieve an increased population density from the upper laser degree and they are for that reason extra delicate to quenching results and Electrical power transfer procedures; as a result, a decrease doping density is usually suitable for these units. For prime-energy lasers, decreased doping densities will often be used to limit the density of heat era, Whilst skinny-disk lasers function most effective with very doped crystals. Many laser products more info will not get to the comprehensive overall performance probable mainly because these kinds of particulars haven't been properly labored out.
A couple of laser crystal materials have been demonstrated where some saturable absorber content is included for passive Q switching of a laser.
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
Those surfaces that are handed with the laser beam are Typically possibly oriented at Brewster's angle or have an anti-reflection coating.
Distinctive crystalline components are very unique concerning their hardness together with other properties, which establish with which techniques And the way simply they may be Reduce and polished with high quality.
For several good reasons, composite crystals have gotten well-known. These Possess a spatially different chemical composition and might be created with Particular shapes.
It could be oriented for in close proximity to perpendicular incidence of your laser beam, or at Brewster's angle. It might be preset in certain good mount which also functions like a heat sink. Bigger crystals are often used for facet pumping e.g. with superior-electric power diode bars.
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。