Facts About Laser Crystal Revealed
Facts About Laser Crystal Revealed
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蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光镜
激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
Laser crystals are optical crystals �?generally solitary crystals (monocrystalline optical supplies) �?which happen to be employed as get media for reliable-state lasers. Typically, These are doped with either trivalent uncommon earth ions or changeover metallic ions.
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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。
A significant area high quality is naturally vital. Specifications of surface flatness are frequently a lot better than . This will help to stop both of those scattering losses and wavefront distortions which could degrade the laser's beam high-quality. In addition, scratch and dig technical specs
The most achievable doping concentration can count strongly within the host product and its fabrication approach.
The host crystal is considerably more than simply a means to fix the laser-active ions at certain positions in Place. Several Houses from the host substance are important:
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
It is obvious that unique purposes lead to very various needs on laser obtain media. For that reason, a broad variety of different crystals are used, and earning the ideal preference is important for constructing lasers with the best possible effectiveness.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 resources laser crystal crystal advancement optical overall performance unusual earth ions changeover team ions
The medium should have a superior transparency (lower absorption and scattering) inside the wavelength locations of pump more info and laser radiation, and very good optical homogeneity. To some extent, this is determined by the quality of the material, based on specifics of your fabrication process.
It might be oriented for around perpendicular incidence with the laser beam, or at Brewster's angle. It could be fastened in a few stable mount which also functions being a heat sink. Greater crystals are frequently employed for aspect pumping e.g. with large-energy 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。