Facts About Laser Crystal Revealed
Facts About Laser Crystal Revealed
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The most typical laser-Lively unusual earth ions and host media along with some common emission wavelengths are proven in the next desk:
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Laser crystals are optical crystals �?usually solitary crystals (monocrystalline optical resources) �?which can be used as achieve media for solid-condition lasers. Usually, They're doped with possibly trivalent scarce earth ions or changeover metallic ions.
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 focus in the gain medium are most advantageous rely upon various factors. The available pump source (kind of laser diode or lamp) and the envisaged pumping arrangement are very important variables, but the material by itself also has some impact. For example, titanium–sapphire lasers ought to be pumped with large intensities, for which the form of the transversely cooled rod, operated with somewhat small pump and laser beam diameter, is a lot more appropriate than e.
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。
激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。
g. a thin disk. As Yet another case in point, check here Q-switched lasers get to an increased inhabitants density within the upper laser level and are for that reason more sensitive to quenching outcomes and Strength transfer procedures; thus, a reduce doping density is frequently suitable for these devices. For top-ability lasers, lower doping densities tend to be accustomed to Restrict the density of heat generation, Though skinny-disk lasers perform greatest with extremely doped crystals. Numerous laser goods don't reach the full performance potential for the reason that this sort of particulars haven't been adequately labored out.
The host crystal is a great deal more than just a way to repair the laser-Energetic ions at particular positions in Place. Several properties with the host materials are essential:
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 which happen to be passed from the laser beam are normally both oriented at Brewster's angle or have an anti-reflection coating.
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For various causes, composite crystals have gotten preferred. These Possess a spatially varying chemical composition and can be produced with Specific designs.
Employing our advertising and marketing offer, you can Exhibit your emblem, more down below your solution description, and these will been viewed by numerous photonics pros.
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。