New Step by Step Map For Laser Crystal
New Step by Step Map For Laser Crystal
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The most typical laser-Lively unusual earth ions and host media together with some standard emission wavelengths are proven in the following 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 on the achieve medium are most beneficial rely on a number of factors. The accessible pump source (type of laser diode or lamp) and the envisaged pumping arrangement are crucial variables, but the material alone also has some affect. As an example, titanium–sapphire lasers have to be pumped with superior intensities, for which the form of the transversely cooled rod, operated with reasonably little pump and laser beam diameter, is a lot more appropriate than e.
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。
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 thin disk. As another instance, Q-switched lasers attain a better inhabitants density within the upper laser stage and are as a result additional sensitive to quenching effects and Vitality transfer processes; thus, a lessen doping density is commonly suitable for these equipment. For top-power lasers, lower doping densities will often be utilized to Restrict the density of heat generation, Even though thin-disk lasers function ideal with hugely doped crystals. Several laser items don't get to the whole effectiveness likely since such facts 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。
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It is obvious that diverse apps cause quite diverse demands on laser achieve media. For that reason, a wide vary of various crystals are employed, and producing the proper choice is important for developing lasers with ideal overall performance.
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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It could be oriented for near perpendicular incidence in the laser beam, or at Brewster's angle. It may be mounted in some strong mount which also acts to be a warmth sink. More substantial crystals are frequently utilized for side pumping e.g. with superior-electric power diode bars.
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