5 Essential Elements For Laser Crystal
5 Essential Elements For Laser Crystal
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These tables incorporate only the most typical host crystals; quite a few Other people exist, which might be much less usually employed.
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Also, some flexibility is dropped in experiments if one simply cannot Check out absorbers with unique thickness or doping concentration, by way of example, with no exchanging the laser crystal by itself.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions in addition to the upper-state lifetime.
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。
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。
探索激光晶体的领域，可以让我们看到科学和技术相结合的奇迹，为我们带来了令人难以置信的进步。这些激光晶体，每一种都在组成和特性上独具匠心，是推动现代世界众多应用的动力。
Several laser crystal supplies are actually shown exactly where some saturable absorber product is integrated 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。
People surfaces which can be passed because of the laser beam are Generally either oriented at Brewster's angle or have an anti-reflection coating.
Unique crystalline components are quite unique concerning their hardness as well as other Attributes, which decide with which methods And just how easily they are often Laser Crystal cut and polished with high quality.
The medium must have a substantial transparency (small absorption and scattering) in the wavelength regions of pump and laser radiation, and great optical homogeneity. To some extent, this depends on the standard of the fabric, based on aspects of the fabrication process.
It could be oriented for near perpendicular incidence from the laser beam, or at Brewster's angle. It may be mounted in a few reliable mount which also functions for a warmth sink. Larger sized crystals are usually used for side pumping e.g. with higher-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。