The Basic Principles Of Laser Crystal
The Basic Principles Of Laser Crystal
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The most typical laser-active unusual earth ions and host media together with some standard emission wavelengths are proven in the following table:
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 �?commonly single crystals (monocrystalline optical materials) �?which might be employed as attain media for sound-point out lasers. Generally, These are doped with possibly trivalent uncommon earth ions or transition steel ions.
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping focus of your gain medium are most useful count on quite a few components. The out there pump supply (sort of laser diode or lamp) as well as the envisaged pumping arrangement are important things, but the material itself also has some impact. By way of example, titanium–sapphire lasers need to be pumped with high intensities, for which the shape of a transversely cooled rod, operated with somewhat tiny pump and laser beam diameter, is more ideal than e.
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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。
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。
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。
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材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 components laser crystal crystal development optical general performance exceptional earth ions transition group ions
In 2017, we formulated the planet’s most significant Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser check here crystals with extremely vast emission spectra drives the event of laser diode pumped ultrafast good-state lasers. With the increase in pulse Vitality, peak electric power, and repetition level of solid-state lasers, laser crystals will build in direction of bigger measurements, increased crystal excellent, and controllable vital performance.
It may be oriented for near perpendicular incidence with the laser beam, or at Brewster's angle. It might be preset in certain good mount which also functions for a warmth sink. More substantial crystals usually are utilized for side pumping e.g. with high-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。