The Fact About Laser Crystal That No One Is Suggesting
The Fact About Laser Crystal That No One Is Suggesting
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The commonest laser-Energetic exceptional earth ions and host media together with some common emission wavelengths are shown in the subsequent table:
These ions empower the crystal to amplify light with the laser wavelength by way of stimulated emission, when energy is equipped for the crystal via absorption of pump gentle (�?optical pumping
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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。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions in addition to the upper-point out lifetime.
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 case in point, Q-switched lasers attain an increased populace density during the higher laser level and therefore are as a result additional delicate to quenching effects and Vitality transfer processes; thus, a lower doping density is often appropriate for these gadgets. For high-electrical power lasers, decrease doping densities in many cases are utilized to Restrict the density of heat generation, Even though thin-disk lasers work greatest with extremely doped crystals. Quite a few laser products usually do not reach the total effectiveness probable due to the fact such information haven't been appropriately 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。
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Distinctive crystalline components are really diverse concerning their hardness together with other properties, which ascertain with which methods And just how easily they are often Slice and polished with top quality.
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It might 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 for a warmth sink. Larger sized crystals are usually useful for facet pumping e.g. with significant-electric power diode bars.
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。